分類 / Names
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Cypriniformes (Carps) >
Cyprinidae (Minnows or carps) > Labeoninae
Etymology: Placocheilus: Greek, plax, plakos = a flat plate + Greek, cheilos = lip (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の漂泳性; pH range: 6.0 - ?. Subtropical; 18°C - ? (Ref. 93106)
Asia: Dulong River drainage of the upper Irrawaddy River basin in Yunnan, China.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 12.5 cm SL オス/雌雄の選別がない; (Ref. 93106)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 10; 臀鰭: 8. Distinguished from all congeners by the combination of the following characters: absence of semicircular black mark on the middle of each caudal fin lobe; absence of black band across the dorsal fin; two pairs of barbels; lateral line with 39-40 scales (Ref. 93106).
Occurs in shallow, fast flowing and clear water along the banks of the main course and the tributaries of the Dulong River. The bottom consists of large boulders, cobbles, gravel, and little sand. The wet rocks are covered with many diatoms (Ref. 93106).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Chen, Z.-M., X.-F. Pan, H. Xiao and J.-X. Yang, 2012. A new cyprinid species, Placocheilus dulongensis, from the upper Irrawaddy system in northwestern Yunnan, China. Zoologischer Anzeiger 251(3):215-222. (Ref. 93106)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-2)
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 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00377 - 0.01751), b=3.05 (2.87 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
回復力 (Ref.
120179): 高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
