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Heterobranchus longifilis  Valenciennes, 1840

Sampa
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Native range | All suitable habitat
This map was computer-generated and has not yet been reviewed.
Heterobranchus longifilis   AquaMaps   Data sources: GBIF OBIS
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Heterobranchus longifilis
Picture by Seegers, L.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii 輻鰭魚綱 (條鰭魚) > Siluriformes (Catfish) > Clariidae (Airbreathing catfishes)
Etymology: Heterobranchus: Greek, heteros = other + Greek, brangchia = gill (Ref. 45335).   More on author: Valenciennes.

環境 / 氣候 / 範圍 生態學

; 淡水 居於水底的; 河川洄游 (Ref. 51243); 深度上下限 10 - ? m (Ref. 7248).    22°C - 23°C (Ref. 2059), preferred ?; 25°N - 22°S, 16°W - 40°E

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Africa: Nile, Congo system, upper and middle Zambezi (Ref. 3820). Reported from Lake Rukwa and the lower Zambezi (Ref. 95585). Also from Lakes Tanganyika and Edward (Ref. 7248). In West Africa known from the Gambia, Upper Senegal, Niger, Benue, Lake Chad, Volta, and coastal basins from Guinea to Nigeria, including the delta of Niger and the Cross river (Ref. 57129).

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 150 cm SL 雄魚/尚未辨別雌雄; (Ref. 4967); 最大體重: 55.0 kg (Ref. 7248)

簡短描述 型態特徵 | 形態測量圖

背棘 (總數): 0; 背的軟條 (總數): 26-35; 臀鰭軟條: 42 - 52; 脊椎骨: 55 - 61. Diagnosis: length of rayed dorsal fin 27-36% standard length; 26-35 dorsal-fin rays; length of adipose fin 24-34% standard length; strong, downward-pointed serrations on the anterior part of the pectoral spine; width of vomerine tooth plate 25.0-32.2%, and width of premaxillary tooth plate 29.5-36.9% head length (ref. 57129). Posterior part of adipose fin blackish (Ref. 4967, 57129). Caudal fin with a whitish cross-bar (Ref. 57129). Head long, broad and somewhat rectangular in dorsal outline; snout broadly rounded; eyes superolateral in position; frontal fontanelle long and narrow; occipital fontanelle oval-shaped; tooth plates wide; suprabranchial organ well developed; pectoral spine strongly serrated on anterior side; caudal fin barred; openings of secondary canals hardly visible but display a regular pattern (Ref. 270). Coloration: preserved specimens: grey, greyish-brown to dark brown on back and sides, and pale brown to whitish on belly; some individuals marbled, particularly on posterior part of body; caudal fin often crossed by several vertical bars, one of which is whitish, hind margin of fin often white-edged; posterior part of adipose fin darker than anterior part (Ref. 57129).

生物學特性     字彙 (例如 epibenthic)

An uncommon species which inhabits large rivers (Ref. 4967). Largest freshwater species in southern Africa; occurs in large deep rivers within the mainstream or in deep pools and lakes or backwaters (Ref. 7248, 78218). Most active at night, feeding on any available food, including invertebrates and insects when small, fish and other small vertebrates when large; scavenges off large carcasses and offal from riverside villages; live for 12 or more years (Ref. 7248). Maximum reported size for West Africa: 610 mm TL (Ref. 57129).

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚


主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Teugels, G.G., B. Denayer and M. Legendre, 1990. A systematic revision of the African catfish genus Heterobranchus Geoffroy-Saint-Hilaire, 1809 (Pisces: Clariidae). Zool. J. Linn. Soc. 98:237-257. (Ref. 270)

IUCN 瀕危狀態 (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

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人類使用

漁業: 低經濟; 養殖: 商業性; 游釣魚種: 是的
FAO(養殖: 產生; ; publication : search) | FisheriesWiki | 周邊海洋

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