分類 / Names
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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Rhamphochromis: Greek, rhamphos = bill, peak + Greek, chromis = a fish, perhaps a perch (Ref. 45335).
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 外洋の; 深さの範囲 ? - 148 m (Ref. 55949). Tropical; 9°N - 17°S
Africa: Endemic to Lake Malawi and upper Shire River.
Length at first maturity / サイズ / 重さ / 年齢
Maturity: Lm ?, range 13 - ? cm
Max length : 28.0 cm TL オス/雌雄の選別がない; (Ref. 5595)
簡単な記述
形態学 | 形態計測学
Diagnosis: small, closely-packed teeth; relatively small maximum size; larger specimens often with bright greenish metallic iridescence on upper surface of the body, mature males can be more bluish-grey (Ref. 55949).
Found in reedy bays and lagoons, at open sandy beaches, throughout the shelf and reef zones (Ref. 55949), and in the open water (Ref. 5595, 55949). Piscivorous (Ref. 5595, 55949). Small specimens mostly feed on crustacean zooplankton, adults predominantly eat larvae and juveniles of small shoaling zooplanktivorous cyprinid Engraulicypris sardella; female mouthbrooder (Ref. 55949).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Mouthbrooding females and juveniles commonly found inshore, generally in surface water in the shelf and littoral zones, often in reed bays and lagoons (Ref. 55949).
Maréchal, C., 1991. Rhamphochromis. p. 422-424. 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. 5689)
Human uses
水族館・水槽: 商業
より多くの情報
Age/Size成長体長-重さLength-length体長組成形態計測学形態学幼生幼生の動力補充豊度BRUVS
参考文献水産養殖水産養殖の紹介緊張遺伝子のElectrophoreses遺伝病気行列NutrientsMass conversion
協力者画像Stamps, Coins Misc.音シガテラ(食中毒の名前)速度泳ぐ 型式カマOtoliths脳視覚
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 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.8 ±0.62 se; based on food items.
回復力 (Ref.
120179): 高い, 15か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (18 of 100).
Nutrients (Ref.
124155): Calcium = 165 [73, 296] mg/100g; Iron = 2.02 [1.02, 4.06] mg/100g; Protein = 19.7 [17.1, 21.9] %; Omega3 = 0.405 [0.147, 1.131] g/100g; Selenium = 67.1 [25.3, 215.8] μg/100g; VitaminA = 59.9 [15.3, 178.9] μg/100g; Zinc = 1.65 [1.07, 2.56] mg/100g (wet weight);