分類 / Names
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Siluriformes (Catfishes) >
Akysidae (Stream catfishes) > Parakysinae
Etymology: Acrochordonichthys: Greek, akros = summit, topmost + Greek, chorda = nervous line + Greek, ichthys = fish (Ref. 45335); gyrinus: The specific name is derived from the Latin gyrinus (rounded or curve), referring to the concave posterior margin of the pectoral fin of this species (Ref. 50585).
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の. Tropical
Asia: known only from the type locality, the Yom River at Phitsanulok, part of the upper Chao Phraya basin in Thailand.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 10.0 cm TL オス/雌雄の選別がない; (Ref. 58784)
背面の脊椎 (合計) : 2; 背鰭 (合計) : 4 - 5; 肛門の骨: 0; 臀鰭: 10; 脊つい: 39. Concave posterior margin of the pectoral fin; head depth 9.8-11.4% SL; dorsal to adipose distance 7.4-8.6% SL; body depth at anus 8.3-10.5% SL; maximum width of humeral process 16.3% its length; and anterior margin of anal fin and posterior margin of adipose fin straight (Ref. 50585). Caudal fin emarginate (Ref. 50585).
Inhabits mainstreams (Ref. 58784). Feeds on crustaceans and benthic organisms (Ref. 58784).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生
Vidthayanon, C. and H.H. Ng, 2003. Acrochordichthys gyrinus, a new species of akysid catfish (Teleostei: Siluriformes) from Thailand. Zootaxa 183:1-7. (Ref. 50585)
Human uses
用具
特記事項
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インターネットの情報源
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5010 [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).
栄養段階 (Ref.
69278): 3.8 ±0.6 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
