Klassifizierung / Names
Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | 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); catimbau: The specific name originated in the Tupi-Guarani lagunage. It is used in reference to the occurrence of the species in the floddplains of the Catimbau river.
Environment: milieu / climate zone / depth range / distribution range
Ökologie
; süßwasser benthopelagisch. Tropical
South America: Catimbau river floodplain, Saquarema lagoon system in Brazil.
Size / Gewicht / Alter
Maturity: Lm ?  range ? - ? cm
Max length : 4.6 cm SL Männchen/unbestimmt; (Ref. 95536); 3.4 cm SL (female)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
Rückenflossenweichstrahlen (insgesamt) : 13 - 18; Afterflossenweichstrahlen: 20 - 24; Wirbelzahl: 31 - 32. This species is similar to Nematolebias papilliferus and distinguished from N. whitei by having long narrow golden lines on the distal portion of the dorsal fin in males (vs. dots). It differs from N. papilliferus by its distinct row of small iridescent spots on the distal margin of the caudal fin in males (vs. row absent); and from both N. papilliferus and N. whitei by its pelvic-fin bases medially separated by a small interspace (vs. in contact) (Ref. 95536).
Always occurs in shallow temporary pools, about 30-50 cm deep, formed during the rainy season, usually between March and May, and between October and December. These pools were in open vegetation area (Ref. 95536)
Life cycle and mating behavior
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven
Costa, W.J.E.M., P.F. Amorim and G.N. Aranha, 2014. Species limits and DNA barcodes in Nematolebias, a genus of seasonal killifishes threatened with extinction from the Atlantic Forest of south-eastern Brazil, with description of a new species (Teleostei: Rivulidae). Ichthyol. Explor. Freshwat. 24(3):225-236. (Ref. 95536)
IUCN Rote Liste Status (Ref. 130435: Version 2024-2)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Tools
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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=0.00891 (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).
Trophic level (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref.
120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).