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> Cyprinodontiformes (Rivulines, killifishes and live bearers) > Rivulidae (Rivulines) > Kryptolebiatinae
Etymology: sepia: The name sepia alludes to the family Sepiidae, the cuttlefish, whose chromatophores also can cause rapid changes in color.

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

; süßwasser benthopelagisch. Tropical

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South America: Tapanahony River drainage in Surinam.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 6.5 cm TL Männchen/unbestimmt; (Ref. 53862)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Differs from other Kryptolebias and Rivulus species by a combination of characters including low number of lateral line scales, high number of anal rays, short predorsal length and a robust body, and unique mitochondrial DNA gene sequences. Kryptolebias sepia differs further by remarkably strong melanistic pigmentation and the ability to change this coloration into several distinct patterns, lack of obvious sexual dimorphism, strong dichromatism between juveniles and adults, and absence of the Rivulus spot in females and juveniles (Ref. 53862).

Found only in primary forests with a very dense canopy cover and appears to inhabits only extremely shallow parts of small creeks in hilly areas. Occurs outside the main stream in swampy areas directly adjacent to creeks.

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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Vermeulen, F.B.M. and T. Hrbek, 2005. Kryptolebias sepia n. sp. (Actinopterygii: Cyprinidontiformes: Rivulidae), a new killifish from the Tapanahony River drainage in southeast Surinam. Zootaxa 928:1-20. (Ref. 53862)

IUCN Rote Liste Status (Ref. 130435: Version 2024-1)

Nicht untersucht

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this 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).

Kryptolebias sepia Vermeulen & Hrbek, 2005