分類 / Names
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Cichliformes (Cichlids, convict blennies) >
Cichlidae (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
生態学
; 新鮮な水 底生の漂泳性. Tropical; 24°C - 26°C (Ref. 13614); 9°S - 17°S
Africa: widely distributed in Lake Malawi. Also found in Lake Malombe (Ref. 5595).
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 30.0 cm TL オス/雌雄の選別がない; (Ref. 5627); 最大公表体重: 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).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Guards the young for about 4 days.
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のレッドリストの状況は (Ref. 130435: Version 2024-2)
Human uses
水産業: 商業; ゲームフィッシュ: はい; 水族館・水槽: 商業
用具
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インターネットの情報源
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).
栄養段階 (Ref.
69278): 4.2 ±0.73 se; based on food items.
回復力 (Ref.
120179): 手段, １．４年～４．４年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (20 of 100).
