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Teleostei >
Siluriformes (Catfishes) >
Cetopsidae (Whale catfishes) > Helogeninae
Etymology: Helogenes: Greek, helo = marsh + Greek, gene, genes = birth, race. (Helo has the "e" short) (Ref. 45335).
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 居于水底的; pH range: 6.0 - 7.0; dH range: ? - 15. 熱帶; 22°C - 26°C (Ref. 2059)
South America: Atlantic drainages of Guyana, Suriname, and French Guiana, upper Río Orinoco and Río Negro systems in Venezuela, and Amazon Basin in Brazil, Peru, and Ecuador.
南美洲: 在委內瑞拉的蓋亞那，蘇利南與法屬圭亞那的大西洋流域, Rio 奧里諾科河上游與尼格羅河系統, 在巴西，祕魯與厄瓜多的亞馬遜河流域。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 7.9 cm SL 雄鱼/尚未辨别雌雄; (Ref. 101566)
A typical inhabitant of black or clear waters, usually in forest streams with moderate to swift current flow over firm sand or gravel bottoms (Ref. 7462). Lives hidden under plants, litter or plant debris. Can easily be mistaken as a piece of dead wood when it rests on its side, motionless on the bottom. Often swims on one side in undulating movements (Ref. 35381). Feeds mainly on terrestrial insects, particularly ants (Ref. 7462). Nocturnal (Ref. 6868).
典型栖居动物黑色或水流清澈的通常在森林溪流有中等的到湍急的水流流动硬沙之上或砾石底部.(参考文献 7462) 在植物，胎窝或植物残枝下面藏的生命。 能容易地被误认作为一个枯木的块当它停留在它的侧边上面的时候, 不动的在底部上。 时常在波浪形的运动的一个侧边上游泳。 (参考文献 35381) 主要吃陆栖的昆虫, 特别地蚂蚁.(参考文献 7462) 夜行的.(参考文献 6868)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南美洲: 在委內瑞拉的蓋亞那，蘇利南與法屬圭亞那的大西洋流域, Rio 奧里諾科河上游與尼格羅河系統, 在巴西，祕魯與厄瓜多的亞馬遜河流域。
Vari, R.P. and H. Ortega, 1986. The catfishes of the neotropical Family Helogenidae (Ostariophysi: Siluroidei). Smith. Contrib. Zool. (442):20 p. (Ref. 7462)
人类利用
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俗名同种异名新陈代谢捕食者生态毒物学繁殖成熟度产卵场产卵群集孕卵数卵卵的发育
参考文献养殖养殖信息品种遗传学Electrophoreses遗传率疾病加工NutrientsMass conversion
合作者照片Stamps, Coins Misc.声音神经毒速度泳型鳃区Otoliths脑重体重比眼睛色素
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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=0.00513 (0.00202 - 0.01305), b=3.14 (2.92 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.5 ±0.50 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
