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Hypsolebias trifasciatus, a new species of annual fish cyprinodontiformes: rivulidae from the rio preto, rio sao francisco basin, northeastern brazil.

Abstract

Hypsolebias trifasciatus n. sp. is described from a temporary pool located on the left bank of the rio Preto, a tributary of the rio sao Francisco. It is the first species of the H. adornatus complex recorded in a tributary rather than the rio Sao Francisco main channel. This species is distinguished from the remaining Hypsolebias species, with the exception of those belonging to the H. adornatus complex, by the high number of dorsal fin rays (27-28), and conse-quently a large dorsal fin base length, beginning considerably anteriorly to the middle of the body, before the vertical line through the pelvic fin. The new species differs from the remaining species of the H. adornatus complex by the color pattern of the anal fin, which consists in longitudinal, alternating three yellow and three black stripes (vs. stripes absent in the remaining Hypsolebias of the H. ado r-natus complex, or relatively inconspicuous 2 yellow stripes and 2-3 gray stripes in H. lopesi), and a unique pattern of the dorsal-fin color in males, with the presence of two groups of 3-4 irregularly-shaped, large yellow spots (vs. absence of a such pattern in the remaining Hypsolebias of the H. adornatus-group).

Zusammenfassung

Hypsolebias trifasciatusn. sp. wird von einem zeitbegrenzten Tumpel am linken lifer des Rio Preto beschrieben, der als Nebenfluss zum Einzugsgebiet des Rio Sao Francisco gehort. Es handelt sich urn die erste Art des H.-ackrnatus-Komplexes, die in einem Nebenfluss nachgewiesen wurde, und nicht im Hauptstrom des Rio Sao Francisco. Diese neue Art unterscheidet sich von den ubrigen Hypsolebias-Arren--mit Ausnahme derjenigen, die zum H.-adornatus-Komplex gehoren--durch eine hohe Zahl von Ruckenflossenstrahlen (27-28) und folglich eine groBe Lange der Rucicenflossenbasis, die deutich vor der Korpermitte beginnt, noch vor einer Senkrechten uber der Bauchflosse. Von den anderen Arten des H-adornatus-Kornplexes unterscheidet sich die neue Art durch das Farbmuster der Afterflosse, auf der sich in Langsrichtung drei gelbe und drei schwarze Streifen abwechseln (im Vergleich dazu gibt es bei H. lopesi 2 unauffallige gelbe Streifen und 2-3 graue Streifen, wahrend bei den anderen Arten des H.-adornatus-Komplexes Streifen sogar ganz fehlen). Weiterhin zeigen die Mannchen der neuen Art ein unverkennbares Muster auf der Ruckenflosse: zwei Gruppen mit 3-4 unregelmaBig geformten groBen gelben Fleckcn (bei den ubrigen Hypsolebias-Arten der H-adornatus-Gruppe fehlt ein solches Muster ganz).

Resumo

Hypsolebias trifasciatus n. sp. e descrita de uma poca tern-poraria localizada na margem esquerda do rio Preto, afluente do Rio Sao Francisco. E a primeira especie do complexo H. adornatus encontrada em um tributario, fora do canal principal do fio Sao Francisco. Esta especie se distingue das demais especies de Hypsolebias, exceto aquelas do complexo H adornatus, pelo grande numero de raios da nadadeira dorsal (27-28), que se inicia anterior ao meio do corpo, antes da linha vertical que passa pela nadadeira pelvica. Esta especie difere das demais do complexo H. adornatus pelo padrao de colorido da nadadeira anal, composto por tres listras amarelas e tres listras pretas longitudinais e alternadas, bem definidas (vs. ausentes em outras Hypsolebias do grupo H. adornatus, ou 2 barras amarelas e 2-3 barras cinza pouco definidas em H. lopesi) e um padrao unico da cor da nadadeira dorsal em machos, com a presenca de dois grupos de 3-4 manchas amarelas relativa-mente grandes e irregulares (vs. ausencia deste padrao de colorido na nadadeira dorsal nas demais especies do grupo H. adornatus).

Resume

Hypsolebias trifasciatus n. sp. est decrit provenant d'une mare temporaire, situ& sur la rive gauche du rio Preto, un tributaire du rio sao Francisco. C'est la premiere espece du complexe H. adornatus collecte dans un tributaire plutot que dans le cours principal du rio Sao Francisco. Cette es-pece se distingue des autres especes d'Hypsolebias exception de celles appartenant au complexe H. adornatus, par le nombre eleve de rayons a la dorsale (27 - 28) et, par consequent, par ane grande longueur de base de la dorsale, commencant anterieurement au milieu du corps, avant la ligne verticale traversant la pelvienne. La nouvelle espece differe des autres especes du complexe H. adornatus par le patron de coloration de l'anale, qui consiste en trois lignes longitudinales jaunes et noires qui alternent (vs. des lignes absentes pour les autres Hypsolebias du complexe H. adornatus ou, plutot vagues, 2 lignes jaunes et 2 - 3 grises chez H. lopesi) et un patron de coloration de la dorsale pour les males, avec deux groupes de grandes taches jaunes de forme irreguliere (vs. absence d'un tel patron pour le reste des Hypsolebias du groupe H. adornatus).

Sommario

Hypsolebias trifasciatus n. sp. est descritta da una pozza temporanea localizzata sulla riva sinistra del Rio Preto, un affluente del Rio Sao Francisco. E la prima specie del complesso H. adornatus registrato in un affluence piuttosto che nel corso principale del Rio Sao Francisco. Questa specie si distingue dalle restanti specie di Hypsolebias, ad eccezione di quelle appartenenti al complesso H. adornatus, per l'ele-vato numero di raggi dorsali (27-28), e di conseguenza per una lunga base della pinna dorsale, la quale inizia molto anteriormente rispetto al centro del corpo, prima della linea verticale che passa per la pinna pelvica. La nuova specie differisce dalle altre specie del complesso H. adornatus per la colorazione della pinna anale, che consiste in tre strie longitudinali gialle alternate a tre strie nere (assenti nelle restanti specie di Hypsolebias del complesso adornatus, o rclativamente poco evidenti 2 strie gialle e 2-3 strie grigie in H. lopesi), e per la presenza di due gruppi di 3-4 grandi inacchie gialle di forma irregolare sulla pinna dorsale dci maschi (vs. mancanza di tale motivo nelle altre specie del gruppo H. adornatus).

INTRODUCTION

The genus Hypsolebias is one of the most speciose of annual fish genera in South America, with 45 species recognized so far (Eschmeyer 2014). Most species of the genus occur at the rio Sao Francisco basin, but some are found in the rio Tocantins basin in Central Brazil, the rio Jaguaribe, the rio Parnaiba and some small coastal basins in northeastern Brazil (Costa 2007). The genus is divided into 4 groups (Costa 2006): the Hypsolebias flammeus group, the Hypsolebias notatus group, the Hypsolebias antenori group, and the Hypsolebias magnificus group. The new species described herein belongs to the Hypsolebias magni.ficus group, which is contained within the Hypsolebias adornatus complex (Costa 2013). This group is easily identifiable due to the long dorsal fin, which begin before the pelvic fin in males and the presence of two small black spots in the caudal peduncle of females.

The following species belong to the H adornatus complex: H adornatus (Costa 2000), H. lopesi (Nielsen et al. 2010), and H. caeruleus Costa, 2013. The remaining species belonging to the Hyp-solebias magni_ficus group are: H. magnificus (Costa & Brasil 1991), H. carlettoi (Costa & Nielsen 2004), H. fulminantis (Costa & Brasil 1993), H. hellneri (Berkenkamp 1993), H. picturatus (Costa, 2000), H. hamonicus (Costa 2010), and H. shibattai Nielsen, Martins, Araujo & Suzan 2014.

All species of the H. adornatus complex currently known have their distribution just a few kilometers from the shores of the rio sao Francisco: 1.5 km (H. adornatus), 26 km (H. lopesi), and 35 km (H. caeruleus). The new species is found in a left bank tributary of the rio Sao Francisco, the rio Preto, about 140 km in a straight line from the rio Sao Francisco or about 170 km as measured along the course of the rio Preto, the furthest ever known for a species of the H adornatus complex group from the rio Sao Francisco, and also the first ever found at the western portion of that basin.

MATERIAL AND METHODS

Measurements were taken point-to-point under a stereomicroscope with a digital caliper to the nearest 0.1 mm on the left side of the specimen following Costa (1995; 2007). Measurements are expressed as percents of standard length (SL), except subunits of the head, which are recorded as percents of head length (HL).

In the description, counts of vertebrae and pleural ribs were taken from cleared and stained (c&s) of one male and one female paratypes, prepared according to Taylor & Van Dyke (1985). Frontal squamation followed Hoedeman (1958) and Costa (2006). For vertebral counts the caudal compounded centrum was counted as a single element. Osteological features included in the description are those considered phylogenetically informative in recent studies of the species formerly assigned to the genus Simpsonichthys (Costa 2003; 2007).

Institutional abbreviations are UNITAU (University of Taubate, Taubate, Brazil) and ZUEC (Museu de Zoologia da Universidade Estadual de Campinas, Campinas, Brazil). Comparisons with congeners were based primarily on the literature (Costa 2007; 2013, Nielsen et al. 2010).

Hypsolebias trifasciatus, n. sp. (Figs 1-2; Table 1)

Holotype: ZUEC 8302, 1 mak, 30.7 mm SL: Brazil, Bahia, Santa Rita de Cassia, rio Preto, rio S'a..o Francisco basin, temporary pool at road BA-225, 11[degrees]02'33.1"S, 44[degrees]18'25.4"W, altitude 450 m; Dalton Tavares Bressane Nielsen & Amer Four, 25 January 2014.

Paratypes: ZUEC 8303, 5 males 30.1-33.0 mm SL, 5 females 21.2-24.0 mm SL; 2 c&s, one male 33.0 mm and one female 21.8 mm, all collected with holotype.

Diagnosis: Hypsolebias trifasciatus differs from the remaining species of Hypsolebias by its unique color of the dorsal-fin in males, with the presence of two groups of 3-4 yellow, irregularly-shaped, large spots (vs. absence of a such pattern in the remaining Hypsolebias), and the presence of longitudinal, alternating three yellow and three black stripes (vs. stripes absent in the remaining Hypsolebias of the H. adornatus complex, or relatively inconspicuous 2 yellow stripes and 2-3 gray stripes in H. lopesi) Additionally, Hypsolebias trifasciatus can be distinguished from all other species of Hypsolebias, except H. adornatus, H. lopesi, and H. caeruleus by having dorsal-fin origin in front of pelvic-fin base in males (vs. posterior to that point), sides of body blue in males (vs. never blue), and two black spots, vertically aligned, immediately anterior to the caudal-fin base in females (vs. spots, when present, not aligned).

Table I. Morphometric and meristic data for the holotype (H) and
paratypes of Hypsolebias trifasciatus.

                              H          Paratypes
                             Male    Male      females
                                      n=5        n=5
Standard length (mm)         30.7  30.1-33.0  21.2-24.0
Percents of standard length
Body depth                   33.8  32.5-35.5  33.0-35.3
Caudal peduncle depth        15.3  13.6-14.8  14.6-15.6
Pre-dorsal length            36.5  36.9-42.2  59.9-64.1
Pre-pelvic length            41.7  41.8-42.7  47.3-50.4
Length of dorsal-fin base    47.9  45.5-50.4  22.6-25.0
Length of anal-fin base      36.8  36.5-39.6  22.0-25.0
Caudal-fin length            23.7  21.9-25.9  25.6-26.4
Pectoral-fin length          20.9  20.2-22.4  16.6-21.7
Pelvic-fin length             9.1    7.1-9.9   8.4-12.0
Head length                  29.9  29.6-31.0  30.6-31.2
Percents of head length
Head depth                   86.9  83.7-88.9  76.4-81.3
Head width                   44.5  42.5-49.3  41.6-45.3
Lower jaw length             24.5  22.8-26.5  21.8-25.6
Eye diameter                 27.1  26.5-30.8  29.3-33.3
Meristics
Dorsal fin                     28      27-28         16
Caudal fin                     25      24-25         24
Anal fin                       21      20-21      16-18
Pelvic fin                      5          5          5
Pectoral fin                   12      11-12         11
Scales in longitudinal
scries                         25      25-26         26
Scales in transversal
series                         09       9-10          9
Horizontal scales around       12         12         10
Caudal peduncle


Females have dorsal fins slightly pointed (vs. rounded), unpaired fins with black spots (vs. spots absent in H. adornatus, gray spots in H. caeruleus and H. lopesi), black spots immediately anterior to caudal-fin base, when present, small and irregularly shaped (vs. presence of two black blotches in the other species of the H. adornatus complex). Additional characters diagnosing the new species from congeners are presented in the Discussion.

Description: Morphometric data is presented in Table 1. Largest specimen examined 33.0 mm SL. Dorsal profile convex from snout to end of dorsal-fin base, approximately straight along caudal peduncle. Ventral profile convex from lower jaw to end of anal fin base, nearly straight along caudal peduncle. Body deep, compressed, greatest body depth at level of pelvic fin base. Snout blunt. Urogenital papilla cylindrical and short in males, pocket-shaped in females.

Tip of dorsal fin pointed in males, slightly pointed in females; tip of anal fin rounded in both sexes. Tips of dorsal-fin rays 23-26 developed as short filaments in males, reaching vertically through the middle of the caudal fin; filaments absent in anal fin. Dorsal-fin rays unbranched. Caudal-fin rounded. Pectoral-fins elliptical. Posterior margin of pectoral fin reaching vertical through base of 3rd anal-fin ray in males, and between pelvic-fin base and urogenital papilla in females. Tip of each pelvic fin reaching base of 4th anal fin ray in males and base of 1st anal-fin ray in females. Pelvic fin bases in close proximity. Dorsal fin origin anterior to anal fin origin in males, anal fin origin on vertical through base of 8th dorsal-fin ray; dorsal fin origin and anal fin origin at the same level in females. Dorsal fin origin between the neural spines of the 4th and 5t1 vertebrae in males, and the neural spines of the 1 1 th and 12th vertebrae in females. Anal fin origin between the pleural ribs of vertebrae 8 in males, and the pleural ribs of vertebrae 10 and 11 in females. Dorsal-fin rays 27-28 in males, 16 in females; anal-fin rays 20-21 in males, 16-18 in females; caudal-fin rays 24-25; pectoral-fin rays 11-12; pelvic-fin rays 5.

Frontal squamation E-patterned; E-scales overlapping medially; no row of scales anterior to G-scale; supraorbital scales 2. Longitudinal series of scales 25-26; transverse series of scales 9-10; scale rows around caudal peduncle 10-12. Contact organs absent.

Cephalic neuromasts: supraorbital 12-14, parietal 2, anterior rostral 1, posterior rostral 1, infraorbital 4+20-21, preorbital 3, otic 1, post-otic 2, supratemporal 1, median opercular 1, ventral opercular 1, preopercular 12-14, mandibular 9-11, lateral mandibular 5, paramandibular 1. Two neuromasts on caudal-fin base. Total vertebrae 25.

Coloration in life (Figs 1-2): Males: Sides of body light blue to purplish blue, with 6-7 metallic blue spot rows horizontally. Parallel spots larger anteriorly, decreasing in size towards caudal-fin base. Head with dorsal and pre-dorsal areas red- dish-yellow. Opercular area light yellow with an iridescent blue hue. Iris pale yellow, black vertical stripe across eyes. Dorsum gray, ventral area whitish. Sides of head light blue, opercular region bright blue, poster-dorsal scales with red margin in the head. Dorsal fin with two different patterns: anterior portion with bright blue lines, followed by yellow blotches; posterior area of dorsal fin with 34 small aligned bright blue spots followed by large yellow blotches, followed by 2-3 rows of bright blue spots. Anal fin with 7 longitudinal stripes, stripe at fin base white, followed by six alternating yellow/black stripes.

Caudal fin basis and medial portion golden yellow, distal portion hyaline, with rows of small blue spots. Pelvic fin light yellow. Pectoral fin hyaline.

Females: Body sides light purplish gray, golden hue on abdominal area, with horizontal rows of small dark brownish gray spots, sometimes coalesced forming horizontal stripes; spots on anterior and central portions of flanks black. Head with dorsal and pre-dorsal areas grayish-yellow. Opercular area light yellow, with an iridescent green hue and small gray blotches. Pair of black spots at caudal peduncle absent or when present, irregularly-shaped and small. Iris light yellow, with dark gray vertical stripe through center of eye. Unpaired fins hyaline, with longitudinal rows of small black spots on interradial membranes. Pectoral and pelvic fins hyaline.

Distribution (Fig. 5): Known only from the type locality, a temporary pool beside the highway BA-225, at Santa Rita de Cassia, rio Preto, rio Sao Francisco basin, Bahia state, Brazil.

Habitat (Fig. 6): The new species was found 3.8 km from the left bank of the rio Preto, in a region of dense Caatinga/Cerrado ecotone. The type locality is a typical annual pool with many aquatic plants of the genera Echinodorus, Utricularia, and Nymphaea. The pool measured about 800 m in length and 300 meters of width, with 1.60 m of maximum depth. The substrate was composed of clay. The water was transparent and slightly dark in color. The new species was the only fish species found at the pool, which was shared with many aquatic insect larvae and several tadpole species.

Behavior in captivity: In the aquarium males showed a very aggressive territorial behavior towards other males and were also aggressive with the females during the reproductive behavior. There was intense fighting_ between males, which often resulted in death of the weaker individuals. Females had their fins damaged. However, at the pool, no fish with signs of damage due to aggression were found. Probably in the pool males do not aggressively conflict to defend their territory, just expelling the intruders with their displays (Nielsen 2008). In other annual rivulid fishes, males are less aggressive and typically does not kill its potential males competitors.

Etymology: The epithet "trifiasciatus"refers to the color pattern of the anal fin of males.

DISCUSSION

Hypsolebias trifasciatus is easily distinguishable from its congeners by unique dorsal-fin color pattern in males, and the unique color pattern of the anal fin with alternating three black and three yellow bands, absent in the remaining species of Hypsolebias adornatus complex.

In addition to the characters referred in the Diagnosis, males of Hypsole bias trifasciatus can be distinguished from H. adornatus by having a higher pre-dorsal length (36.9-42.2% SL vs. 283-34.4% SL), higher prepelvic length (41.8-42.7% SL vs. 39.240.8% SL), lower dorsal-fin base length (45.550.4% SL vs. 54.0-60.3% SL), lower anal-fin base length (36.5-39.6% SL vs. 43.4-48.2% SL), lower caudal-fin length (21.9-25.9% SL vs. 29.3-32.5% SL), larger head length (29.6-31.0% SL vs. 24.427.2% SL), lower head depth (83.7-88.9% HL vs. 106.8-113.8% HL), lower head width (59.364.2% HL vs. 67.2-75.9% HL), fewer number of scales in longitudinal series (25-26 vs. 27-29), and absence of contact organs (vs. small papillate contact organs on inner portion of three dorsalmost pectoral-fin rays).

Females of Hypsolebias trifasciatus can be distinguished from H. adornatus by having a lower caudal-fin length (25.6-26.4% SL vs. 29.6-30.2% SL), higher head length (30.6-31.2% SL vs. 26.727.4% SL), lower head depth (76.4-81.3% HL vs. 98.3-108.9% HL), lower head width (41.6-45.3% HL vs. 73.7-78.2% HL), tip of dorsal-fin slight pointed (vs. rounded), and sides of body with larger gray spots (vs. small black rows).

Male's of Hypsolebias trifasciatus can be additionally distinguished from H. lopesi by the absence of red scales (vs. presence of dorsal scales light red pigmentation at their edge, from snout to base of caudal fin), dorsal-fin pointed (vs. rounded), higher head length (29.6-31.0% SL vs. 24.7-27.3% SL), lower snout length (12.9-14.5% HL vs. 19.2-27.0% HL), and absence of papillate contact organs (vs. small papillate contact organs on the inner surface of the three dorsalmost pectoral-fin rays).

Females of Hypsolebias trifasciatus can be distinguished from H. lop esi by having a higher body depth (33.0-35.3% SL vs .22.1-32.7% SL), higher caudal peduncle depth (14.6-15.6% SL vs.11.2-14.3% SL), larger head length (30.6-31.2% SL vs. 25.1-30.0 % SL), and shorter snout length (11.512.8% HL vs. 17.9-20.9% HL).

Males of Hypsolebias trifasciatus can be distinguished from H. caeruleus by having higher predor-sal length (36.9-42.2% SL vs. 31.8-34.7% SL), lower prepelvic length (41.8-42.7% SL vs. 43.644.2% SL), lower length dorsal fin base (45.550.4% SL vs. 51.9-53.5% SL), lower anal-fin base length (36.5-39.6% SL vs. 40.0-41.3% SL), lower caudal fin length (21.9-25.9% SL vs. 33.2-35.5% SL), lower pectoral-fin length (20.2-22.4% SL vs. 25.2-26.5% SL), lower head depth (83.7-88.9% HL vs. 104.0-108.0% HL), lower eye diameter (26.5-30.8% HL vs. 33.0% HL), fewer number of dorsal fin rays (23-25 vs. 28-31), higher number of pelvic fin rays (6 vs. 5), fewer number of transverse series of scales (9-10 vs. 12), fewer number of scale rows around the caudal peduncle (11-12 vs. 14), and absence of contact organs (vs. minute contact organs on three dorsalmost pectoral-fin rays).

Females of Hypsolebias trifasciatus can be distinguished from H. caeruleus by having a higher caudal peduncle depth (14.6-15.6% SL vs. 12.813.7% SL), lower dorsal-fin base length (22.625.0% SL vs. 25.2-26.1% SL), lower pectoral-fin length (16.6-21.7% SL vs. 22.3-24.7% SL), longer head length (30.6-31.2% SL vs. 26.5-28.2% SL), lower head depth (76.4-81.3% HL vs. 89.0102.0% HL), fewer number of dorsal fin rays (12-13 vs. 17-18), fewer number of anal fin rays (1518 vs. 19-20), higher number of caudal fin rays (24 vs. 23), higher number of pelvic fin rays (6 vs. 5), snout rounded, blunt (vs. pointed), and absence of small black spots on sides of body (vs. small black spots present on the anterior to middle portions of sides of body).

Received: 07 May 2014--Accepted: 13 July 2014

ACKNOWLEDGEMENTS

Thanks are due to Itamar Alves Martins from Universidade de Taubate (UNITAU) for laboratory support. Daniel Katz reviewed the English and Flavio C. T. Lima (ZUEC) read the manuscript and offered useful suggestions.

REFERENCES

COSTA, W. J. E. M. 1995. Pearl Ashes: The Cynolebiatinae. Systematics and Biogeography of a Neotropical annual fish subfamily (Cyprinodontiformes: Rivulidae). TFH Publications, Neptune City, 128 pp.

COSTA, W. J. E. M. 2003. The Simpsonichthys flavicaudatus species group (Cyprinodontiformes: Rivulidae: Cynolebiatinae): phylogenetic relationships, taxonomic revision and biogeography Ichthyological Exploration of Freshwaters 14: 31-60.

COSTA, W. J. E. M. 2006. Descriptive morphology and phylogenetic relationship among species of the Neotropical annual killifish genera Nematolebias and Simpsonichthys (Cyprinodontiformes: Aplocheiloidei: Rivulidae). Neotropical Ichthyology 4: 1-26.

COSTA, W. J. E. M. 2007. Taxonomic revision of the seasonal South American killifish genus Simpsonichthys (Teleostei: Cyprinodontiformes: Aplocheiloidei: Rivulidae). Zootaxa 1669: 1-134.

COSTA, W. J. E. M. 2013. Hypsolebias caeruleus, a new seasonal killifish of Hypsolebias adornatus complex from the Caatinga of north-eastern Brazil, Sao Francisco River basin (Cyprinodontiformes: Rivulidae). Ichthyological Exploration of Freshwaters 24: 141-146.

ESCHMEYER, W. N. 2014. Catalog of fishes: genera, species, references. (http://research.calacademy.org/research/ichthyology/catalog/fishcatmain.asp). Electronic version accessed 7 Jan 2014.

HOEDEMAN, J. J. 1958. The frontal scalation pattern in some groups of tooth carps. Bulletin of Aquatic Biology 1: 23-28. NIELSEN, D. T B. 2008. Simpsonichthys e Nematolebias. Cabral Editora e Livraria Universitaria, Taubate, 235pp.

NIELSEN, D. T B., SHIBATTA, 0. A., SUZART, R. R. & MARTIN, A. F. 2010. A new species of Simpsonichthys (Cyprinodontiformes: Rivulidae) from the rio Sao Francisco basin northeastern Brazil. Zootaxa 2452: 51-58.

TAYLOR, W R. & VAN DYKE, G. C. 1985. Revised procedures for staining and clearing small fishes and other vertebrates for bone and cartilage study. Cybium 9: 107-119.

Dalton Tavares Bressane Nielsen (1) , Mayler Martins (2) , Luciano Medeiros de Araujo (3) , Fabio Origuela de Lira (4) and Amer Four (5)

1) LaboratOrio de Zoologia, departamento de Biologia, Universidade de Taubate, Pca Marcelino Monteiro 63, CEP: 12030-010, Taubate, SP, Brazil. E-mail: dnielsen@uol.com.br

2) Instituto Federal Minas Gerais, Campus Bambui, Fazenda Varginha, Estrada Bambui-Medeiros Km 5, CEP 38900-000, MG, Brazil. E-mail: maylermarins@yahoo.com.br

3) Fundacio Zoobotancia de Belo Horizonte--Aquario da Bacia do sao Francisco Avenida Otacilio Negrio de Lima, 8000; Belo Horizonte, MG, Brazil. E-mail: Luciano.araujo@pbh.gov.br

4) Terra Firme Consultoria Ltda Avenida Antonio Abrahao Caran, 664, sl. 201, 31275-000, Belo Horizonte, MG, Brazil. E-mail: fabio.origuela@ibest.com.br

5) C/Las Fuentes 4. 37439, San Cristobal, Salamanca, Spain. E-mail: amer_fm@hotmail.com
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Title Annotation:aqua, International Journal of Ichthyology
Author:Bressane Nielsenl, Dalton Tavares; Martins, Mayler; de Araujo, Luciano Medeiros; de Lira, Fabio Orig
Publication:aqua: International Journal of Ichthyology
Date:Jul 29, 2014
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