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: Oreochromis: Latin, aurum = gold + Greek, chromis = a fish, perhaps a perch (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 熱帶
Africa: known only from the catchment of Lake Natron in Tanzania (Ref. 32272, 118638).
非洲: 已知只來自湖天然碳酸鈉，坦尚尼亞的南方潟湖了。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 5.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 32272)
背棘 (總數): 13 - 14; 背的軟條 (總數): 9-12; 臀棘 3-4; 臀鰭軟條: 9 - 11. Diagnosis: A very small slender species with a narrow ventrally-placed mouth (Ref. 118638). Mature males have dark-edged dorsal and anal fins, iridescent blue-white spots on flanks, white lower lips, and a spotted caudal fin; male breeding dress shows geographic variation, with males of some populations having yellow throats and white bellies, while others are a fiery orange underneath (Ref. 118638). Females and non-territorial males are sandy-coloured, paler ventrally, sometimes with faint vertical bars (Ref. 118638).
It inhabits the springs and some spring-fed creeks near the southern and south-eastern shores of Lake Natron (Ref. 32272). It co-occurs with Alcolapia alcalicus and Alcolapia latilabris (Ref. 32272). Observed to nibble at stones and gravel, probably taking mainly algae for food; omnivorous, taking insects from the water surface as well (Ref. 32272). A maternal mouthbrooder: males defend spawning territories among rocks in shallow water (Ref. 32272, 118638). Potential as an aquarium fish (Ref. 118638).
棲息於在湖天然碳酸鈉的南方而東南方海岸附近的泉水與小溪。 它以 O. alcalicus 與 O. latilabris 共同生存。 觀察在石頭與礫石細咬, 可能主要地帶藻類作為食用魚。 從水面也的雜食性又動人的昆蟲.(參考文獻 32272)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
A maternal mouthbrooder: males defend spawning territories among rocks in shallow water (Ref. 32272, 118638). Females carry eggs and larvae in their mouths (Ref. 32272).非洲: 已知只來自湖天然碳酸鈉，坦尚尼亞的南方潟湖了。
Seegers, L. and H. Tichy, 1999. The Oreochromis alcalicus flock (Teleostei: Cichlidae) from lakes Natron and Magadi, Tanzania and Kenya, with descriptions of two new species. Ichthyol. Explor. Freshwat. 10(2):97-146. (Ref. 32272)
人類使用
漁業:
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: 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 (Ref.
69278): 3.2 ±0.40 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).
