Classification / Names
Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | ITIS | CoL | WoRMS | Cloffa
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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Rivulidae (Rivulines) > Cynolebiinae
Etymology: Nematolebias: Greek, nema, -atos = filament + Greek, lebias, ou = a kind of small fish (Ref. 45335); papilliferus: Named for the hypertrophied contact organs of the pectoral fin of male; an adjective..
More on author: Costa.
Environment: milieu / climate zone / depth range / distribution range
Ecología
; agua dulce bentopelágico. Tropical
South America: Laguna de Maricá and Laguna de Saquarema basins in Brazil.
Tamaño / Peso / Age
Maturity: Lm ? range ? - ? cm
Max length : 7.0 cm SL macho / no sexado; (Ref. 36579)
Short description
Morfología | Morfometría
Espinas dorsales (total): 0; Radios blandos dorsales (total): 13-18; Espinas anales 0; Radios blandos anales: 19 - 24; Vértebra: 31. Having greenish golden vertical lines on body side and vertical golden lines on dorsal fin . Dorsal head profile slightly convex to nearly straight in male, gently concave to approximately straight in female (Ref. 42934).
Found in small freshwater temporary pools, 10-40 m of diameter, about 50 cm deep, in floodplains of streams and lagoons or along the vast floodplains of lower rio São João, which are sometimes close to the sea (about 100 m). Substrate of compact, soft reddish brown mud; water hyaline, yellow or dark orange brown, usually not turbid. These pools are dry twice a year, once during winter, usually from July to August, and again during summer, usually from February to March. During dry season, all fish die and eggs undergo in diapause within the substrate. Eclosion happens at the onset of wet season, usually March-April and September-October (Ref. 42934).
Life cycle and mating behavior
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Males are territorial and very aggressive. Males display an elaborate courtship behavior beginning with waving lateral movement in front of female, with the unpaired fins completely opened. In an oblique position, the male touches the bottom surface with the anterior portion of its head, with vibrating body. The female placed her body side to side with the male. Then both couple dives into the substrates where spawning takes place (Ref. 42934).
Costa, W.J.E.M., 2002. The neotropical seasonal fish genus Nematolebias (Cyprinodontiformes: Rivulidae: Cynolebiatinae): taxonomic revision with description of a new species. Ichthyol. Explor. Freshwat. 13(1):41-52. (Ref. 42934)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Más información
Nombres comunesSinónimosMetabolismoDespredadoresEcotoxicologíaReproducciónMadurezPuestaAgregación para la puestaFecundidadHuevosEgg development
Age/SizeCrecimientoLength-weightLength-lengthLength-frequenciesMorfometríaMorfologíaLarvaDinámica larvariaReclutamientoAbundanciaBRUVS
ReferenciasAcuiculturaPerfil de acuiculturaRazasGenéticaElectrophoresesheritabilidadEnfermedadesProcesamientoNutrientsMass conversion
ColaboradoresImágenesStamps, Coins Misc.SonidosCiguateraVelocidadTipo de nataciónSuperficie branquialOtolitosCerebrosVisión
Herramientas
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Fuentes de Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00490 (0.00188 - 0.01275), b=3.09 (2.86 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nivel trófico (Ref.
69278): 3.3 ±0.38 se; based on food items.
Resiliencia (Ref.
120179): Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
