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: Orthochromis: Greek, ortho = straight + Greek, chromis = a fish, perhaps a perch (Ref. 45335).
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
; 淡水 底中水層性. 熱帶
Africa: endemic to the Malagarasi River, known from the area around Uvinza (Ref. 28906, 97348) from the Igamba Falls (Ref. 97348) in Tanzania.
非洲: 在 Uvinza ,坦尚尼亞已知只來自中央的 Malagarasi 流域了。
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 8.6 cm SL 雄魚/尚未辨別雌雄; (Ref. 28906)
背棘 (總數) : 19 - 21; 背的軟條 (總數) : 9 - 11; 臀棘: 3; 臀鰭軟條: 9 - 10; 脊椎骨: 31 - 32.
Body shape (shape guide): elongated.
Rheophilic species, confined to swift running waters; feeds on algae particularly belonging to the Bacillariophyceae and Chlorophyceae and some Cyanophyceae; mouthbrooder (Ref. 28906).
棲息於迅急的流動水域。 吃藻類特別地屬於 Bacillariophyceae 與 Chlorophyceae 與一些 Cyanophyceae 。 (參考文獻 28906)
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
A mouthbrooding species. Aquarium observations showed that females usually brood the eggs.非洲: 在 Uvinza ,坦尚尼亞已知只來自中央的 Malagarasi 流域了。
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 2025-2 (Global))
極危 (CR) (B1ab(iii)+2ab(iii)); Date assessed: 31 January 2006
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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 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this 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 (13 of 100). 🛈 |