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: Orthochromis: Greek, ortho = straight + Greek, chromis = a fish, perhaps a perch (Ref. 45335).
Environment: milieu / climate zone / 深度上下限 / distribution range
生態學
; 淡水 底中水層性. 熱帶
Africa: endemic to the Malagarasi River, only known the Mazimero and Nanganga rivers in Burundi (Ref. 28906).
非洲: 已知只來自 Mazimero 與 Nanganga 河 (Malagarasi 上游蒲隆地)了。
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 7.2 cm SL 雄魚/尚未辨別雌雄; (Ref. 28906)
背棘 (總數) : 16 - 17; 背的軟條 (總數) : 8 - 10; 臀棘: 3; 臀鰭軟條: 9 - 10; 脊椎骨: 27 - 29.
Body shape (shape guide): fusiform / normal.
Inhabits clear water rivulets with sandy and stony bottoms; sand, plant debris and algae belonging to Bacillariophyceae, Chlorophyceae and Cyanophyceae found in stomch and gut; mouthbrooder (Ref. 28906).
棲息於清澈的水域小河，底部為沙與石頭的地方。 吃屬於 Bacillariophyceae ， Chlorophyceae 與 Cyanophyceae 的藻類。 (參考文獻 28906)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
A mouth brooding species. A ripening female of 5.2 cm SL contained 24 eggs of about 3 mm diameter in the abdominal cavity.非洲: 已知只來自 Mazimero 與 Nanganga 河 (Malagarasi 上游蒲隆地)了。
De Vos, L. and L. Seegers, 1998. Seven new Orthochromis species (Teleostei: Cichlidae) from the Malagarasi, Luiche and Rugufu basins (Lake Tanganyika drainage), with notes on their reproductive biology. Ichthyol. Explor. Freshwat. 9(4):371-420. (Ref. 28906)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-1)
瀕危 (EN) (B1ab(iii)+2ab(iii)); Date assessed: 31 January 2006
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Estimates based on models
Phylogenetic diversity index (參考文獻
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 (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.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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