Akysis scorteus

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Akysis scorteus Page, Hadiaty & López, 2007

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Akysis scorteus
Picture by Ng, H.H.

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> Siluriformes (Catfishes) > Akysidae (Stream catfishes) > Akysinae
Etymology: Akysis: Derived from Greek, a = without + Greek, kysthos = bladder (Ref. 45335);  scorteus: Specific name from the Latin scorteus (leathern), in reference to the leathery skin of Akysis..

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

; zoet water demersaal. Tropical

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Asia: known only from Way Seputih in Sumatra, Indonesia.

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 3.2 cm SL mannelijk / geslacht onbekend; (Ref. 75761)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 1; Dorsale zachte stralen (totaal): 5; Anale zachte stralen: 9 - 10; Wervels: 31 - 32. Diagnosed by the following characters: space between anterior nostril and base of nasal barbel about equal to nostril diameter; anterior and posterior nostrils relatively small (diameter less than that of eye); anterior nostril located at end of short tube; jaws subequal (lip of upper jaw projecting past lower jaw); caudal fin emarginate (not strongly forked); eye dorsolateral, not protruding above head when viewed from side; large depression below eye; posterior edge of pectoral spine with three small serrae (much less than half width of spine); and top of head flat, lacking conspicuous concavity and bony ridges (Ref. 75761).

Biologie     Verklarende woordenlijst (bv. epibenthic)

Inhabits small patch of vegetation in a sandy run in a sand- and gravel-bottomed, clear river with an average width of about 30 m (Ref. 75761).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

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Page, L.M., R.K. Hadiaty, J.A. López, I. Rachmatika and R.H. Robins, 2007. Two new species of the Akysis variegatus species group (Siluriformes: Akysidae) from Southern Sumatra and a redescription of Akysis variegatus Bleeker, 1846. Copeia 2007(2):292-303. (Ref. 75761)

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

  Onvoldoende gegevens (DD) ; Date assessed: 01 September 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.5000   [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):  3.3   ±0.6 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).