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> Siluriformes (Catfishes) > Akysidae (Stream catfishes) > Akysinae
Etymology:

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

; zoet water demersaal. Tropical

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Asia: Chao Phraya River in Thailand.

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 4.2 cm SL mannelijk / geslacht onbekend; (Ref. 55975)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 1; Wervels: 34 - 35. Distinguished from all congeners in having highly elevated supraoccipital spine and nuchal plate. Differs further from congeners in having a unique combination of the following characters: highly contrasting light brown patches on a chocolate brown body; lack of filamentous extensions to the first pectoral-fin element; presence of 5-6 serrations on the posterior edge of pectoral spine; eye diameter 6-9% of head length; branchiostegal membranes meeting at isthmus ventrally; outer mandibular barbels reaching middle of pectoral-fin base; and rounded tubercles on the tip of the snout and dorsal surface of neurocranium (Ref. 55975).

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Ferraris, C.J. Jr., 2007. Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418:1-628. (Ref. 58032)

Status op de Rode Lijst van het IUCN (Ref. 130435)

Onvoldoende gegevens (DD) ; Date assessed: 10 February 2011

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

FAO - Publication: search | FishSource |

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.5001 [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).

Trofisch niveau (Ref. 69278): 3.5 ±0.6 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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