分類 / 名稱
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: Petrochromis: Latin, petra = stone + Greek, chromis = a fish, perhaps a perch (Ref. 45335).
Taxonomic Remarks
Synonym of Petrochromis trewavasae in Eschmeyer (CofF ver. Oct. 2012: Ref. 92135).
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
; 淡水 居於水底的. 熱帶; 5°S - 9°S
Africa: endemic to Lake Tanganyika, lake-wide distribution (Ref. 46829), but not existing in Burundi waters (Ref. 6770).
非洲: 坦噶尼喀湖的特有種.(除蒲隆地水域)
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 18.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 2060)
Lives in the shallow precipituous rocky habitat, which is characterized by rocks piled on top of each other forming a complicated network of caves and crevices (Ref. 46829). Herbivore; feeds on algae which are scraped from rocks Ref. 6770, 46829). Maternal mouthbrooder; males strongly territorial (Ref. 46829).
通常發現於岩石之上。 刮食岩石附著生物。 (參考文獻 6770)
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
非洲: 坦噶尼喀湖的特有種.(除蒲隆地水域)
Konings, A., 1998. Tanganyika cichlids in their natural habitat. Cichlid Press. 272 p. (Ref. 46829)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
無危 (LC) ; Date assessed: 22 February 2025
人類使用
水族館: 商業性
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基於模型的估計
系統發育多樣性指數 (參考文獻 82804) |
PD50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01862 (0.00830 - 0.04177), b=3.02 (2.83 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
營養階層 (參考文獻 69278) |
2.0 ±0.00 se; based on food items. |
回復力 (參考文獻 120179) |
高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.). |
釣魚的脆弱性 (Ref. 59153) |
Low vulnerability (22 of 100). 🛈 |