分類 / 名前
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
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Cypriniformes (Carps) >
Nemacheilidae (Brook loaches)
Etymology: Triplophysa: Greek, triplos = thrice + Greek, physa = tube (Ref. 45335); shannanensis: Name shannanensis from the type locality of the species, Shannan Prefecture.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
; 新鮮な水 底生の漂泳性. High altitude
Asia: China.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 9.6 cm SL (female)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 8. This species is distinguished by the following set of characters: posterior chamber of swim bladder developed, ovoid, directly connects to the anterior chamber; intestine short, zigzag-shaped with two loops; lower jaw spoon-like, blunt and covered by lips; complete lateral line; snout length shorter than postorbital length, snout length 70.0-93.0% (mean 81.6%) of postorbital length; dorsal fin origin anterior to the ventral fin origin, predorsal length 91.7-98.3% (95.2%) of preventral length; ventral fins at the same vertical with the second branched dorsal fin ray, and tips of ventral fins reaching to anus or close anal fin origin; caudal peduncle depth almost uniform toward to caudal origin, caudal peduncle depth 30.5-49.1% (37.3%) of its length; vertebrae 4 + 36-38 (n = 6); gill rakers 10-11 (n = 4).
Body shape (shape guide): elongated; Cross section: oval.
This species inhabits transparent, cool, and slow-flowing rivers 0.3 to 0.8 meters deep, with a substrate composed of mud, sand and gravel, and riverbed surface of periphytic algae (Ref. 132441).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Wang, M., J. Huang, Y. Chen and D. He, 2024. Trilophysa shannanensis, a new species of Tibetan stone loach (Nemacheilidae) from the Yarlung Tsangpo-Brahmaputra river, Tibet. J. Ichthyol. 64:177-201. (Ref. 132441)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
水産業: 興味がない
用具
特記事項
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インターネットの情報源
モデルに基づく推定値
系統多様性指数 (参照 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00708 (0.00332 - 0.01511), b=3.00 (2.83 - 3.17), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
3.1 ±0.4 se; based on size and trophs of closest relatives |
回復力 (参照 120179) |
手段, 1.4年~4.4年の倍増期間の最小個体群 (Preliminary K or Fecundity.). |
漁業の脆弱性 (Ref. 59153) |
Moderate vulnerability (39 of 100). 🛈 |