分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cichliformes (Cichlids, convict blennies)
鱸形目 (Cichlids, convict blennies) >
Cichlidae (Cichlids)
慈鯛科魚類 (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. 熱帶; 12°S - 15°S
Africa: Endemic to Lake Malawi. Previously, two subspecies were recognized: Protomelas marginatus marginatus (southern end of the lake) and Protomelas marginatus vuae (northern end of the lake).
非洲: 馬拉威湖的特有種。 出現於湖的南端。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 16.6 cm TL 雄魚/尚未辨別雌雄; (Ref. 4996)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 15 - 18; 背的軟條 (總數) : 10 - 11; 臀棘: 3; 臀鰭軟條: 9 - 11.
Inhabits shallow vegetated areas. Feeds on algae and debris of vascular plants. Ingestion of small invertebrates is possibly incidental (Ref. 267).
棲息於水淺的有植物生長的區域。 吃藻類與維管束植物的殘礫。 小型無脊椎動物的攝取可能附帶。 (參考文獻 267)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
非洲: 馬拉威湖的特有種。 出現於湖的南端。
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)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
無危 (LC) ; Date assessed: 20 June 2018
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=0.01445 (0.00674 - 0.03099), b=2.99 (2.82 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.0 ±0.00 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).
