分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cypriniformes (Carps)
鯉形目 (Carps) >
Psilorhynchidae (Mountain carps)
裸吻魚科 (Mountain carps)
Etymology: Psilorhynchus: Greek, psilos = hairless + Greek, rhyngchos = snout (Ref. 45335); tenura: The specific name is derived from the Latin tenuis (thin, slender) and Greek oura (tail), in reference to the slender peduncle region.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性.
Asia: Korkanhalla stream in Karnataka, India.
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 5.2 cm SL 雄魚/尚未辨別雌雄; (Ref. 78734)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 11; 臀鰭軟條: 8. Diagnosed by having the following characters: 35-37 lateral line scales (33-35 up to hypural base with 2-3 scales on caudal fin); 5-6 simple and 10-12 branched rays on the pectoral fin; 17 rays on the caudal fin (9+8); 15 body circumferential scales; body depth 16.8-19.8% SL; caudal peduncle slender and short (depth 5.6-7.1% SL and length 13.7-16.2% SL); ventral region free from scales, with 3-4 scale rows between pelvic fin insertion and pectoral fin insertion along the edge of the body; eye situated on the upper part of head, barely visible from ventral aspect; 7 dorsal spots, 3 predorsal and 4 postdorsal; 8 spots on the body placed in the space between the dorsal spots along the lateral line; presence of a spot at the insertion region of paired fins; and the membrane between simple ray and few anterior branched rays black (Ref. 78734).
Occurs in streams, preferring cobbled substrate. Found attached to cobbles with their expanded pectoral fins and free swimming in shallow waters with medium flow (Ref. 78734).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Arunachalam, M. and M. Muralidharam, 2008. Descriptions of a new species of the genus Psilorhynchus (Teleostei: Psilorhynchidae) from a Western Ghat stream in Southern India. Raffles Bull. Of Zool. 53(2):405-414. (Ref. 78734)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
極危 (CR) (B2ab(iii)); Date assessed: 14 October 2010
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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).
營養階層 (Ref.
69278): 3.0 ±0.2 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
