分类 / Names
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Teleostei >
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
生态学
; 淡水 居于水底的. 熱帶
Asia: known only from the type locality, the Yom River at Phitsanulok, part of the upper Chao Phraya basin in Thailand.
亞洲: 已知只來自模式標本產地了, 在 Phitsanulok 的 Yom 河, 泰國的湄南河流域上游的部份。
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 10.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 58784)
背棘 (总数): 2; 背的软条 (总数): 4-5; 臀棘 0; 臀鳍软条: 10; 脊椎骨: 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).
凹曲胸鳍的后缘; 头部深度 9.8-11.4% SL; 背鳍到脂鳍距离 7.4-8.6% SL; 在肛门 8.3-10.5% SL 的体高; 肱骨突起 16.3% 的最大宽度它的长度; 而且臀鳍与脂鳍直线的后缘的前缘.(参考文献 50585) 尾鳍边缘微凹的.(参考文献 50585)
Inhabits mainstreams (Ref. 58784). Feeds on crustaceans and benthic organisms (Ref. 58784).
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
亞洲: 已知只來自模式標本產地了, 在 Phitsanulok 的 Yom 河, 泰國的湄南河流域上游的部份。
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)
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俗名同种异名新陈代谢捕食者生态毒物学繁殖成熟度产卵场产卵群集孕卵数卵卵的发育
年龄范围成长体长-体重体长-体长体长-频率形态测量图型态特徵仔鱼稚鱼动力学入添量丰度BRUVS
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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).
营养阶层 (Ref.
69278): 3.8 ±0.6 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).