分類 / 名前
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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.
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 2 - 3 m (Ref. 58018). Tropical
Africa: Lake Malawi.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 12.1 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: 8 - 9. Diagnosis: 10-12 gill rakers on outer ceratobranchial (Ref. 27597, 57549), 4-5 on outer epibranchial (Ref. 27597). No yellow ocelli on anal fin of females and non-breeding males; breeding male with black markings in caudal fin; 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 (Ref. 27597).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Male builds cone-shaped bowers in breeding arenas over sand at 3-7 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)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
用具
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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 = 0.5156 [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) |
3.4 ±0.45 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 (Preliminary K or Fecundity.). |
漁業の脆弱性 (Ref. 59153) |
Low vulnerability (17 of 100). 🛈 |