分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Protomelas: Greek, protos = the first + Greek, melas, melanos = black (Ref. 45335).
More on author: Trewavas.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 24°C - 26°C (Ref. 2059); 9°S - 15°S
Africa: Endemic to Lake Malawi where it is widely distributed.
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 11.3 cm TL 雄魚/尚未辨別雌雄; (Ref. 4996)
背棘 (總數) : 16 - 17; 背的軟條 (總數) : 10 - 11; 臀棘: 3; 臀鰭軟條: 9 - 10; 脊椎骨: 31. Resembles P. fenestratus in form and in ecology, but differs from it in having a larger eye and consequently narrower preorbital, in the more numerous teeth in the upper jaw and on the lower pharyngeal, the higher number of gill rakers, the anterior of which, although short, are acute and well defined and in the higher modal number of dorsal spines. Differs from P. virgatus in the absence of enlarged pharyngeal teeth.
Inhabits shallow, rocky sediment-free habitat. Feeds on 'aufwuchs' attached to rocks, but also takes small invertebrates, including zooplankton when this is abundant (Ref. 267).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Parents practice co-operative care of young by grouping together and setting up protective stations close to one another; releasing their young and embarking upon parental care. Every protective mantle is very close to the next in such a way that young can move from one parent to the next.
Maréchal, C., 1991. Protomelas. p. 387-393. In J. Daget, J.-P. Gosse, G.G. Teugels and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 4. (Ref. 4996)
人類使用
漁業: 商業性; 水族館: 商業性
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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).
營養階層 (Ref.
69278): 3.2 ±0.37 se; based on food items.
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
