分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes)
鯰形目 (Catfishes) >
Akysidae (Stream catfishes)
河鯰科 (Stream catfishes) > Akysinae
Etymology:
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的.
Asia: Chao Phraya River in Thailand.
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 4.2 cm SL 雄魚/尚未辨別雌雄; (Ref. 55975)
背棘 (總數) : 1; 脊椎骨: 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).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
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)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 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).
營養階層 (Ref.
69278): 3.5 ±0.6 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
