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分类 / 名称 俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei > Siluriformes (Catfishes) > Pimelodidae (Long-whiskered catfishes)
Etymology: Sorubim:Brazilian local name, sorubim (Ref. 45335); elongatus:Named for its extremely elongate shaped head and body.
South America: Amazon, Essequibo, and Orinoco River basins (Ref. 36506); a disjunct record from Río Mamore, Bolivia (Ref. 57983). 南美洲: 亞馬遜河， Essequibo 與奧里諾科河河流域。
大小 / 重量 / 年龄
成熟度: Lm? range ? - ? cm Max length : 32.2 cm SL 雄鱼/尚未辨别雌雄; (Ref. 111115); 最大体重: 260.00 g (Ref. 111115)
背的软条 (总数) : 6; 臀棘: 0; 臀鳍软条: 20 - 25; 脊椎骨: 44 - 46. Laterally positioned eyes, visible dorsally and ventrally; in adults, the diameter is 2.2-3.3 times into interorbital width. Inner mental barbels usually posterior to gular apex, rarely even with it, and never reaching fleshy margin of opercle. Outer mental barbels longer, extending beyond the origin of pectoral fins. Maxillary barbels variable in length, extending to pelvic fins or beyond. Pelvic fins when depressed reaching approximately halfway from anus to anal-fin origin. Body shape (shape guide): elongated; Cross section: circular. 位于侧面的眼, 看得见的背面而且腹地; 当成鱼时，直径是 2.2-3.3 倍进入眼间骨宽度之内。 内部的神经触须通常在喉部的尖顶后面,很少地与它平的, 而且从不达到鳃盖的肉质边缘。 外部的神经触须更长的, 延伸超过胸鳍的起源。 上颌骨触须被延伸至腹鳍的可变的长或超过。 腹鳍当扁平的从肛门到臀鳍起源半路地大约达到。
Collected from both white and black waters; found in floodplain lakes, small creeks (or caños) to large rivers and tidal rivers; on sand, mud, and clay substrates associated with vegetation (e.g. tall reeds, emergent grasses, and root masses of stream-side trees). Apparently nocturnal and hide in groups along stream margins during the day (Ref. 40631).
Littmann, M.W., B.M. Burr, R.E. Schmidt and E.R. Isern, 2001. Sorubim elongatus, a new species of catfish (Siluriformes: Pimelodidae) from tropical South America syntopic with S. lima. Ichthyol. Explor. Freshwat. 12(1):1-16. (Ref. 40631)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
