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Clarias macrocephalus  Günther, 1864

Bighead catfish
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条鰭類 > Siluriformes (Catfish) > Clariidae (Airbreathing catfishes)
Etymology: Clarias: Greek, chlaros = lively, in reference to the ability of the fish to live for a long time out of water.   More on author: Günther.

環境 / 気候 / 範囲 生態学

; 新鮮な水; 汽水性の 底生の漂泳性; potamodromous (Ref. 51243); 深さの範囲 1 - ? m (Ref. 9987).   Tropical, preferred ?; 34°N - 4°N

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Asia: Thailand to Viet Nam. Introduced to China, Malaysia, Guam and the Philippines.

Length at first maturity / サイズ / 重さ / 年齢

Maturity: Lm ?, range 19 - ? cm
Max length : 120 cm TL オス/雌雄の選別がない; (Ref. 9987); 最大公表体重: 45.0 kg (Ref. 9987)

簡単な記述 形態学 | 形態計測学

背面の脊椎 (合計): 0. Distinguished from Southeast Asian congeners by an extremely short and rounded occipital process and by a very high dorsal fin. The combination of these characters are diagnostic for the species (Ref. 33566). Occipital process wide, broadly curved, with length 3-5 times in its width; distance between dorsal and occipital process 5-7 times in distance from tip of snout to end of occipital process (Ref. 43281).

生物学     用語集 (例 epibenthic)

Lives in lowland wetlands and rivers (Ref. 57235). Occurs in shallow, open water and is capable of lying buried in mud for lengthy period if ponds and lakes evaporate during dry seasons (Ref. 9987). Can move out of the water using its extended fins (Ref. 9987). Found in medium to large-sized rivers, stagnant water bodies including sluggish flowing canals and flooded fields of the Mekong (Ref. 12975). Spawns in small streams (Ref. 9987). Feeds on aquatic insects, young shrimps and small fishes (Ref. 6459). In Thailand and Laos, this fish is considered to be better and more nourishing than Clarias batrachus; uncommon in Laos but common in Thailand; thought wrongly as female of Clarias batrachus in Thailand (Ref 2686). Important foodfish and in pond cultures (Ref. 57235). Marketed live, fresh and frozen; consumed fried, broiled and baked (Ref. 9987). Cultivated on a small scale but attempts to farm it are increasing (Ref. 9987).

Life cycle and mating behavior 成熟 | 繁殖 | 放精 | | 生産力 | 幼生

Eggs are attached to the roots of plants. Male takes charge of these eggs until they are hatched out.

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

Teugels, G.G., R.C. Diego, L. Pouyaud and M. Legendre, 1999. Redescription of Clarias macrocephalus (Siluriformes: Clariidae) from Southeast Asia. Cybium 23(3):285-295. (Ref. 33566)

IUCNのレッドリストの状況は (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

人間に対する脅威

  Harmless




Human uses

水産業: 商業; 水産養殖: 商業
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