分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Tylochromis: Greek, tylos = callus + Greek, chromis = a fish, perhaps a perch (Ref. 45335).
Eponymy: Dr Fredericus Anna Jentink (1844–1913) was the Director of the Dutch National Museum of Zoology at Leiden. [...] (Ref. 128868), visit book page.
More on author: Steindachner.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水; 半鹹淡水 底中水層性. ; 14°N - 4°N
Africa: coastal rivers from Gambia to the Tano River in Ghana (Ref. 52307, 53405).
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 27.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 53405)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 12 - 15; 背的軟條 (總數) : 13 - 18; 臀棘: 3; 臀鰭軟條: 7 - 10; 脊椎骨: 31 - 32. Diagnosis: 3 rows of scales between anterior parts of upper and lower lateral line; lips fleshy; upper edge of lower jaw horizontal when mouth is closed (Ref. 7378, 52307, 52346, 53405). Lower jaw teeth on a distinctly shelf-like elevated processus on dentary in juveniles and mature females (Ref. 7378).
Prefers brackish water but is also found further upstream in rivers (Ref. 3032). Opportunistic benthic macrophage (Ref. 52346). Prefers insects and their larvae; maternal mouthbrooder that does not pair-bond (Ref. 52307).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Teugels, G.G., C. Lévêque, D. Paugy and K. Traoré, 1988. État des connaissances sur la faune ichtyologique des bassins côtiers de Côte d'Ivoire et de l'ouest du Ghana. Rev. Hydrobiol. Trop. 21(3):221-237. (Ref. 272)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
無危 (LC) ; Date assessed: 14 January 2020
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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=0.01862 (0.01040 - 0.03333), b=3.09 (2.94 - 3.24), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.7 ±0.33 se; based on food items.
Generation time: 1.5 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (K=0.7).
Fishing Vulnerability (Ref.
59153): Low vulnerability (22 of 100).
