分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cichliformes (Cichlids, convict blennies)
鱸形目 (Cichlids, convict blennies) >
Cichlidae (Cichlids)
慈鯛科魚類 (Cichlids) > Pseudocrenilabrinae
Etymology: Dimidiochromis: Greek, di = two + Latin, midio, dimidiatus = divided into halves, 1623 + Greek, chromis = afish, perhaps a perch (Ref. 45335).
More on author: Ahl.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 熱帶; 24°C - 26°C (Ref. 13614); 9°S - 17°S
Africa: widely distributed in Lake Malawi. Also found in Lake Malombe (Ref. 5595).
非洲: 廣泛分佈於馬拉威湖。 也發現於湖 Malombe 。 (參考文獻 5595)
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 30.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 5627); 最大體重: 515.00 g (Ref. 40637)
Usually encountered near rocks (Ref. 267, 55954), but also often forms schools offshore (Ref. 267). A common predator in surface water near the shore (Ref. 267). Feeds on small fishes; the small Utaka and lake sardine, Engraulicypris sardella, are among the favorite items (Ref. 5595). Hunts in pairs or in large groups (Ref. 3817).
通常在岩石 (參考文獻 267,55463) 的附近見到了, 也時常形成魚群外海.(參考文獻 267) 一種常見的在海岸附近的地表水中的掠食者.(參考文獻 267) 吃小魚; 小的 Utaka 與湖沙丁魚 , 沙丁鯷波魚〔Engraulicypris sardella〕 , 是在喜愛的項目之中。 (參考文獻 5595) 成對或成一大群獵食。 (參考文獻 3817)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Guards the young for about 4 days. 非洲: 廣泛分佈於馬拉威湖。 也發現於湖 Malombe 。 (參考文獻 5595)
Maréchal, C., 1991. Dimidiochromis. p. 76-78. 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. 5627)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
無危 (LC) ; Date assessed: 22 June 2018
人類使用
漁業: 商業性; 游釣魚種: 是的; 水族館: 商業性
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01445 (0.00674 - 0.03099), b=2.99 (2.82 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 4.2 ±0.73 se; based on food items.
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (20 of 100).
