分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cypriniformes (Carps) >
Psilorhynchidae (Mountain carps)
Etymology: Psilorhynchus: Greek, psilos = hairless + Greek, rhyngchos = snout (Ref. 45335); amplicephalus: Derived from ampli (wide, broad), and cephalic (head), in reference to its relatively broad head.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性.
Asia: Balishwar river in Assam, India.
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 5.7 cm SL 雄鱼/尚未辨别雌雄; (Ref. 75068)
简单描述
检索表 | 型态特徵 | 形态测量图
背的软条 (总数) : 11; 臀鳍软条: 7. Body spindle-shaped and subcylindrical, and head anteriorly compressed. Other diagnostic characters include scaleless abdomen, horizontally placed pectoral and pelvic fins, 35-36 scales along the lateral line series, dark brownish spots in the predorsal region and along the sides of the body, relatively bigger head, deeper body and smaller mouth; hump-like shape in the predorsal region of bigger specimens (Ref. 75068).
Inhabits river with more water current and sandy bottom. Prefers sandy substrate with horizontally placed pectoral fin suited to withstand the water flow (Ref. 75068).
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Arunachalam, M., M. Muralidharan and P. Sivakumar, 2007. Psilorhynchus amplicephalus, a new species from Balishwar River of Assam, India. Curr. Sci. 92(10):1352-1354. (Ref. 75068)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-1)
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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=0.00417 (0.00183 - 0.00952), b=3.16 (2.95 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.0 ±0.2 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
