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: Placidochromis: Latin, placidus = of peaceful or tranquile appearance + Greek, chromis = a fish, perhaps a perch (Ref. 45335); acutirostris: From the Latin "acutus" = acute, sharp, and "rostrum" = snout, referring to its pointed snout (Ref. 55898).
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
; 新鮮な水 底生の漂泳性; 深さの範囲 30 - 61 m (Ref. 55898). Tropical
Africa: endemic to Lake Malawi, only known from Wissman Bay in Tanzania (Ref. 55898).
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 11.4 cm SL オス/雌雄の選別がない; (Ref. 55898)
簡単な記述
検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 17 - 18; 背鰭 (合計) : 9 - 11; 肛門の骨: 3; 臀鰭: 9 - 10. Diagnosis: head length 33.9-36.5 %SL; snout length 37.3-41.3 % head length; lower jaw length 36.4-40.3 % head length; premaxillary pedicel length 27.1-30.1 % head length; outer oral dentition well-developed bicuspid; interorbital width 13.7-16.8 % head length; lower pharyngeal jaw 22.3-26.7 % head length; body depth 32.4-36.0 %SL (Ref. 55898).
Body shape (shape guide): elongated.
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Hanssens, M., 2004. The deep-water Placidochromis species. p. 104-197. In J. Snoeks (ed.) The cichlid diversity of Lake Malawi/Nyasa/Niassa: identification, distribution and taxonomy. Cichlid Press, El Paso, USA. (Ref. 55898)
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 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245). |
栄養段階 (参照 69278) |
3.3 ±0.4 se; based on size and trophs of closest relatives |
回復力 (参照 120179) |
高い, 15か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.). |
漁業の脆弱性 (Ref. 59153) |
Low vulnerability (16 of 100). 🛈 |