分类 / Names
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Teleostei >
Siluriformes (Catfishes) >
Sisoridae (Sisorid catfishes) > Glyptosterninae
Etymology: Pseudecheneis: Greek, pseudes = false + Greek, echein = to hold + Greek, nays = ship; remora, suckling fish; 1774 (Ref. 45335).
More on author: Vaillant.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的. 熱帶
Asia: Red River drainage in China and Vietnam.
亞洲: 紅河流域;(參考文獻 27732) 中國與越南.(參考文獻 44416)
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 13.2 cm SL 雄鱼/尚未辨别雌雄; (Ref. 74729)
简单描述
检索表 | 型态特徵 | 形态测量图
背的软条 (总数) : 8; 臀鳍软条: 9. Differs from other species of Pseudecheneis by the combination of following characters: 9-14 transverse ridges on the thoracic adhesive apparatus; wide and flat snout, with ratio of snout width at mouth corner to distance between pectoral fin base larger than 0.75; caudal peduncle depth 6.1-9.3% SL and 29.4-46.7% in length of caudal peduncle; four yellow spots on caudal fin which are isolated and not connected with each other; premaxillary tooth band semicircular with six or eight teeth along its outer edge; body covered with dense, rounded tubercles distributed irregularly; tubercles increasing in density gradually from occipital to caudal peduncle; and 33 (17+16), 34 (17+17) vertebrae (Ref. 74729).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
亞洲: 紅河流域;(參考文獻 27732) 中國與越南.(參考文獻 44416)
Zhou, W., X. Li and Y. Yang, 2008. A review of the catfish genus Pseudecheneis (Siluriformes: Sisoridae) from China, with the description of four new species from Yunnan. Raffles Bull. Zool. 56(1):107-124. (Ref. 74729)
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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=0.00589 (0.00260 - 0.01333), b=3.08 (2.88 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
