分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cichliformes (Cichlids, convict blennies)
鱸形目 (Cichlids, convict blennies) >
Cichlidae (Cichlids)
麗魚科 (Cichlids) > Pseudocrenilabrinae
Etymology: Copadichromis: Greek, kopas, -ados = carved + Chromis, see; trewavasae: Named in honor of Dr. Ethelwynn Trewavas, for her life-long work on Malawi cichlids (Ref. 47113).
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性; 深度上下限 10 - 30 m (Ref. 47113), usually 15 - 25 m (Ref. 57549). 熱帶
Africa: Endemic to Lake Malawi, occurring around Likoma and Chizumulu islands, at Cobwe and between Makonde and Manda.
非洲: 馬拉威湖。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 10.5 cm SL 雄鱼/尚未辨别雌雄; (Ref. 47113); 8.3 cm SL (female)
背棘 (总数) : 15 - 17; 背的软条 (总数) : 9 - 12; 臀棘: 3; 臀鳍软条: 8 - 9. Diagnosis: 3 distinct spots on flank (Ref. 47113, 57549). Supra-pectoral spot about 1.5 times supra-anal spot and in contact with the upper lateral line; supra-anal spot separate from upper lateral line; no narrow black submarginal band in dorsal fin (Ref. 57549). Male breeding coloration: black ventral body and blue to white blaze on dorsum above lateral line (Ref. 47113, 57549), until posterior end of dorsal fin and continuing onto upper margin of caudal fin (Ref. 57549). 15-18 gill-rakers; 27 dorsal rays in total; caudal peduncle length 5.9 times in SL; caudal peduncle depth 8.1 times in SL (Ref. 47113). Female C. trewavasae cannot be reliably distinguished from those of C. verduyni (ref. 57549).
身体 2.5-2.9 标准体长比率的深度; 头长 2.5-3.2 标准体长比率.(参考文献 47113) 眼直径 2.5-3.5个 HL比率; 眼间骨宽度 3.8-5.2个 HL比率; 上颌骨前的茎 3.0-4.0个 HL比率与眶前骨 4.9-7.4 HL比率的深度.(参考文献 47113) 在 2 到 3 列中的齿在上面的与在下颌中的 2 到 4 列.(参考文献 47113) 外部的列不公平地包含双尖齿, 内部的列单犬齿或不公平三个尖头在雌性与不成熟的雄性中; 外部的列在成熟的雄性中有大的单犬齿。 (参考文献 47113) 胸鳍长度 2.6-3.3 标准体长比率.(参考文献 47113) 尾柄 5.4-6.3 标准体长比率, 梗深度 1.3-1.5 倍于体长.(参考文献 47113) 鳞片: 32-34个鳞片形成一纵列.(参考文献 47113) 在侧面上有三条明显的斑点。 (参考文献 47113)
Inhabits the sand/rock interface (Ref. 47113, 57549) where sand and rocks are found in almost equal proportions (Ref. 47113). Territorial males construct a bower next to a rock, under which spawning takes place; females normally occur in small groups rarely numbering more than 10 individuals and remain close to the bottom (Ref. 57549). Mouthbrooding females remain closer to the bottom than foraging females and sometimes form small groups (Ref. 47113). Both males and females feed on plankton in the water column near the bottom and on benthic invertebrates (Ref. 57549).
Copadichromis trewavasae 出现于沙子与岩石被发现于几乎相等的比例的马拉维湖的中间栖息地中。 (参考文献 47113) 嘴繁殖期的雌性超过觅食保持更靠近底部雌性而且有时形成小群鱼群。 (参考文献 47113)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
非洲: 馬拉威湖。
Konings, A., 1999. Descriptions of three new Copadichromis species (Labroidei; Cichlidae) from Lake Malawi, Africa. Trop. Fish Hobbyist 47(9):62-84. (Ref. 47113)
人类利用
渔业: 商业性; 水族馆: 商业性
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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=0.01514 (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).
营养阶层 (Ref.
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
