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Cynolebias gorutuba Costa, 2017

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Image of Cynolebias gorutuba
No image available for this species;
drawing shows typical species in Rivulidae.


Brazil country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known only from pools in the floodplains of the Gorutuba River in Janaúba, Minas Gerais (Ref. 118117).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/br.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Costa, W.J.E.M., 2017
National Database:

Common names from other countries

Classificação / Names Nomes comuns | Sinônimos | Catalog of Fishes(Gênero, Espécies) | ITIS | CoL | WoRMS | Cloffa

> Cyprinodontiformes (Rivulines, killifishes and live bearers) > Rivulidae (Rivulines) > Cynolebiinae
Etymology: Cynolebias: Greek, kyon = dog + Greek, odous = teeth + Greek, lebias = a kind of small fish (Ref. 45335);  gorutuba: The specific name refers to the Gorutuba River floodplains, the type locality of C. gorutuba. The origin and original meaning of the name is not certain; local people associate this name to a frog popular name, which needs confirmation..

Environment: milieu / climate zone / depth range / distribution range Ecologia

; Água doce bentopelágico.   Tropical

Distribuição Países | Áreas da FAO | Ecossistemas | Ocorrências | Point map | Introduções | Faunafri

South America: Gorutuba River, São Francisco River basin in Brazil.

Tamanho / Peso / Idade

Maturity: Lm ?  range ? - ? cm
Max length : 8.9 cm SL macho/indeterminado; (Ref. 118117)

Descrição suscinta Chaves de identificação | Morfologia | Morfometria

Cynolebias gorutuba is similar to other members of the Cynolebias zeta-clade or CZC (C. altus, C. attenuatus, C. gibbus, C. leptocephalus, C. parietalis, C. perforatus, C. oticus), and differs from all other congeners, by having contact organs distributed on the inner surface of entire pectoral fin of males (vs. restricted to the dorsal portion of the fin), trunk scales extending over base of dorsal fin (vs. not extending), scales extending over one third or more of base of caudal fin (vs. about one fourth), and gill-rakers of first branchial arch bowed and with numerous denticles on its surface (vs. straight to slightly curved, usually without denticles, or one or two when present). It can be diagnosed from all other congeners of CZC by having small round dark grey spots on dorsolateral portion of the trunk in females (vs. absent) and by the second proximal radial of dorsal fin between neural spines of 16th and 18th vertebrae in males (vs. between neural spines of 14th and 16th vertebrae). It differs also from all members of the Cynolebias zeta-clade, except C. oticus, by having 75-87 preopercular neuromasts (vs. 53-72). It can be differentiated from C. oticus by having convex ante¬rior lateral profile of the body (vs. no con¬cavity on the head), otic and post-otic neuromast series separated (vs. united), 37-38 vertebrae (vs. 35-36), and lack of bars on the flank in males above 75 mm SL (vs. presence), and from C. parietalis and C. perforatus by fewer rays in caudal fin (30-31 vs. 33-35) (Ref. 118117).

Biologia     Glossário (p.ex. epibenthic)

Ciclo de vida ou comportamento de acasalamento Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas

Referência principal Upload your references | Referências | Coordenador : Costa, Wilson J.E.M. | Colaboradores

Costa, W.J.E.M., 2017. Description of two endangered new seasonal killifish species of the genus Cynolebias from the São Francisco River basin, Brazilian Caatinga (Cyprinodontiformes, Aplocheilidae). Zoosyst. Evol. 93(2):333-341. (Ref. 118117)

Status na Lista Vermelha da UICN (Ref. 130435)


CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para os humanos

  Harmless




Uso pelos humanos

FAO(Publication : search) | FishSource |

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Trophic ecology
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Fontes da internet

Aquatic Commons | BHL | Cloffa | Websites from users | Checar Observador de Peixes (FishWatcher) | CISTI | Catalog of Fishes(Gênero, Espécies) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genoma, nucleotídeo) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Árvore da vida | Wikipedia(Ir para, procura) | World Records Freshwater Fishing | Zoobank | Registro zoológico

Estimates based on models

Índice de diversidade filogenética (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00891 (0.00396 - 0.02008), b=3.14 (2.94 - 3.34), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Nível Trófico (Ref. 69278):  3.3   ±0.4 se; based on size and trophs of closest relatives
Resiliência (Ref. 120179):  Elevada, tempo mínimo de duplicação da população menor que 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).