分類 / Names
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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Pseudotropheus: Greek, pseudes = false + Greek, tropaion = defeat, a memorial of a fighting war, trophy; because of their specialized teeth were such an obvious feeding adaptation (Ref. 45335).
Eponymy: Joseph A Williams (d: 1895) was an Anglican missionary. [...] (Ref. 128868), visit book page.
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の漂泳性; pH range: 7.8 - 8.3; dH range: 10 - 20. Tropical; 24°C - 26°C (Ref. 2059); 9°S - 15°S
Africa: Endemic to Lake Malawi. Occurs in Deep Bay, Vua, Nkhata Bay; Likoma, Chisumulu, Mbenji and Maleri Islands; the southeast arm of the lake.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 16.5 cm TL オス/雌雄の選別がない; (Ref. 5684)
簡単な記述
検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 17; 背鰭 (合計) : 8; 肛門の骨: 3; 臀鰭: 8. No acutely sloped ethmovomerine block. Lower jaw parallel to a line from the tip of the snout to the hypural plate. Head depth 102% HL); eyes large, vertical eye diameter 25.5% (Ref. 41512).
Occurs in very shallow rocky biotopes, usually at exposed sites. Mostly found in the upper 2 m. Feeds mainly from the water column; on plankton when this is available and on insect larvae and other invertebrates that appear in the open water. Has also been observed feeding from the biocover on the rocks (Ref. 5595).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Maréchal, C., 1991. Pseudotropheus. p. 401-415. In J. Daget, J.-P. Gosse, G.G. Teugels and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 4. (Ref. 5684)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-1)
Human uses
水産業: 商業; 水族館・水槽: 商業
用具
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