分類 / Names
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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Mchenga: Name from Chichewa, the indigenous language of Malawi; mchenga (sand), was chosen to indicate the type of bowers constructed by the members of this genus. Gender is feminine..
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 2 - 3 m (Ref. 58018). Tropical
Africa: Lake Malawi.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 11.1 cm SL オス/雌雄の選別がない; (Ref. 27597)
簡単な記述
検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 16 - 17; 背鰭 (合計) : 10 - 12; 臀鰭: 9 - 10. Diagnosis: 13-16 gill rakers on first ceratobranchial (Ref. 57549), 4-6 on epibranchial (Ref. 27597). No yellow ocelli on anal fin of females and non-breeding males; breeding males with black markings in caudal fin; preorbital 18.1-22.1% HL; teeth in outer rows on dentary and premaxilla of mature males small and bicuspid (Ref. 57549).
Forages in the water column, feeding mainly on zooplankton.
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生
Male builds cone-shaped bowers in large breeding arenas off sand beaches in water 3-10 m deep.
Stauffer, J.R. Jr., T.J. LoVullo and K.R. McKaye, 1993. Three new sand-dwelling cichlids from Lake Malawi, Africa, with a discussion of the status of the genus Copadichormis (Teleostei: Cichlidae). Copeia 1993(4):1017-1027. (Ref. 27597)
Human uses
用具
特記事項
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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=0.01514 (0.00700 - 0.03275), b=2.97 (2.80 - 3.14), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.4 ±0.45 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 (10 of 100).
