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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
Ekologi
; air tawar dasar (demersal). Tropical
Asia: known only from Way Seputih in Sumatra, Indonesia.
Size / Weight / umur
Maturity: Lm ? range ? - ? cm
Max length : 3.2 cm SL jantan/; (Ref. 75761)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
Duri punggung (Keseluruhan (total)) : 1; duri punggung lunak (Keseluruhan (total)) : 5; Sirip dubur lunak: 9 - 10; vertebrata, bertulang belakang: 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).
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).
Life cycle and mating behavior
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fecundity | Larva
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 IUCN Red List (Ref. 130435: Version 2024-2)
ancaman kepada manusia
Harmless
penggunaan manusia
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 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).
Trophic level (Ref.
69278): 3.3 ±0.6 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
