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Trachelyopterus galeatus  (Linnaeus, 1766)

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Native range | All suitable habitat
This map was computer-generated and has not yet been reviewed.
Trachelyopterus galeatus   AquaMaps   Data sources: GBIF OBIS
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Trachelyopterus galeatus
Picture by Mikolji, I.

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) > Auchenipteridae (Driftwood catfishes) > Auchenipterinae
Etymology: Trachelyopterus: Greek, trachelos = neck + greek, pteron = wing, fin (Ref. 45335).

環境 / 氣候 / 範圍 生態學

; 淡水 居於水底的; pH range: 6.0 - 7.5; dH range: ? - 18.    20°C - 24°C (Ref. 2060), preferred ?

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

South America: Widespread in northern South America.

Length at first maturity / 大小 / 重量 / 年齡

Maturity: Lm 10.8  range ? - ? cm
Max length : 23.7 cm SL 雄魚/尚未辨別雌雄; (Ref. 111115); 最大體重: 464.70 g (Ref. 111115); 最大年齡: 3 年 (Ref. 35381)

簡短描述 型態特徵 | 形態測量圖

背棘 (總數): 1; 背的軟條 (總數): 5-6; 臀棘 0; 臀鰭軟條: 20 - 25. The body is stocky, the head a little depressed, the inferior jaw a little prognathous, the cephalic helmet covered with finely pigmented skin in adults, with a fontanelle shorter than the orbital diameter (Ref. 35381).

生物學特性     字彙 (例如 epibenthic)

Occurs in swamps. Well-adapted to hypoxic environments, being able to survive for hours, emerged. Adults feed on small fishes, arthropods, worms and sometimes on fruits (Ref. 35381). The spiny structure of the pectoral fins enables the male to hold the females during mating (internal fertilization). Sperm can be kept in the female's genital tract for several months, owing to a gelatinous emission from the seminal vesicle of the male. At maturity, the size of the adhesive eggs (20% of the female's weight) is 3 mm. Nine days after hatching, alevin size is 1.5 cm and they feed on microscopic worms or small insects. At around 11 days, their negative phototropism pushes them to hide themselves under branches or rocks. Its pink flesh is highly appreciated by the local population (Ref. 27188).

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 : Ferraris, Jr., Carl J. | 合作者

Ferraris, C.J. Jr., 2003. Auchenipteridae (Driftwood catfishes). p. 470-482. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 37098)

IUCN 瀕危狀態 (Ref. 115185)

  未評估 

CITES (Ref. 94142)

Not Evaluated

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