分類 / 名前
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Pelvicachromis: Latin, pelvica, -ae = bassin + Greek, chromis = a fish, perhaps a perch (Ref. 45335).
More on author: Boulenger.
Taxonomic Remarks
Pelvicachromis sacrimontis Paulo, 1977 is a valid species in Lamboj 2004 (Ref. 52307).
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
; 新鮮な水; 汽水性の 底生の; pH range: 5.0 - 8.0; dH range: 5 - 19; 移住性ではない (Ref. 126106). Tropical; 24°C - 25°C (Ref. 1672); 10°N - 4°N
Africa: eastern Benin, southern Nigeria and western Cameroon (Ref. 81260).
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 11.0 cm TL オス/雌雄の選別がない; (Ref. 5677)
背面の脊椎 (合計) : 14 - 17; 背鰭 (合計) : 8 - 10; 肛門の骨: 3; 臀鰭: 6 - 8. Diagnosis: body elongate, moderately compressed, its depth 28.4-36.8% of standard length; head length 27.8-34.5% of standard length; 4-5 rows of monocuspid teeth in jaws; dorsal fin usually with spots or bands, dark posteriorly; lower part of body often reddish in life (Ref. 53405). Black mid-lateral band extends over caudal fin; base of dorsal fin heavily pigmented dark grey or black (Ref. 81260).
Body shape (shape guide): fusiform / normal.
Adults feed on worms, crustaceans and insects (Ref. 7020). In the river Sombreiro (Nigeria) observed to mainly feed on diatoms, algae, higher plants and detritus (Ref. 52307). Pair bonding (Ref. 52307), cave-spawning (Ref. 52307, 81260), substrate brooder (Ref. 81260). Aquarium keeping: in pairs; minimum aquarium size 80 cm (Ref. 51539).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Spawns in caves.
Daget, J., 1991. Pelvicachromis. p. 363-366. 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. 5677)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
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インターネットの情報源
モデルに基づく推定値
系統多様性指数 (参照 82804) |
PD50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01445 (0.00671 - 0.03113), 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 (参照 69278) |
3.3 ±0.39 se; based on food items. |
回復力 (参照 120179) |
高い, 15か月以下の倍増期間の最小個体群 (tm<1). |
漁業の脆弱性 (Ref. 59153) |
Low vulnerability (13 of 100). 🛈 |