分類 / Names
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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); elongatus: From the Latin "elongatus", referring to its elongate body shape (Ref. 55898).
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の漂泳性; 深さの範囲 25 - 67 m (Ref. 55898). Tropical
Africa: endemic to Lake Malawi, present in the southern part of the lake (Ref. 55898).
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 7.5 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 - 17; 背鰭 (合計) : 9 - 10; 肛門の骨: 3; 臀鰭: 9 - 10. Diagnosis: snout 28.3-31.3 % head length; lower jaw length 34.6-37.0 % head length; head 32.1-33.8 %SL; premaxillary pedicel 24.9-28.7 % head length; 6 vertical bars below dorsal fin; dorsal head profile convex but not strongly convex; cheek depth 16.1-18.8 % head length (Ref. 55898).
Life cycle and mating behavior
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 2024-1)
Human uses
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 = 0.5000 [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 (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
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 (10 of 100).
