分類 / 名前
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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); acuticeps: From the Latin "acutus" = sharp, pointed, and the suffix "-ceps" = head, referring to its angular, pointed head shape (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. Tropical
Africa: endemic to Lake Malawi, only known from Mvunguti in Malawi (Ref. 55898).
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 10.3 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) : 15 - 16; 背鰭 (合計) : 9 - 11; 肛門の骨: 3; 臀鰭: 9 - 10. Diagnosis: head width 36.6-40.0 % head length; body depth 33.5-36.1 %SL; snout length 29.8-33.6 head length; lower jaw length 38.6-44.0 % head length; outer oral dentition well developed, tricuspid or bicuspid; premaxillary pedicel length 24.6-26.9 % head length; cheek depth 16.8-20.3 % head length; interorbital length 17.6-19.4 % head length; interorbital width 44.1-51.6 % head width (Ref. 55898).
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): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: 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 (10 of 100).
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