Classification / Names
Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa
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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
Ekologi
; sötvatten bentopelagisk. Tropical
South America: Tapanahony River drainage in Surinam.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 6.5 cm TL hane/ej könsbestämd; (Ref. 53862)
Short description
Bestämningsnycklar | Morfologi | Morfometri
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
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
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 Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 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).
Trofisk nivå (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
