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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.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten; brackvatten bentopelagisk. Tropical; 14°N - 4°N
Africa: coastal rivers from Gambia to the Tano River in Ghana (Ref. 52307, 53405).
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 27.0 cm SL hane/ej könsbestämd; (Ref. 53405)
Taggstrålar i ryggfenan (totalt) : 12 - 15; Mjukstrålar i ryggfenan (totalt) : 13 - 18; Taggstrålar i analfenan: 3; Mjukstrålar i analfenan: 7 - 10; Ryggkotor: 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).
Cross section: compressed.
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).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
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Särskilda rapporter
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01862 (0.01036 - 0.03348), b=3.09 (2.94 - 3.24), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trofisk nivå (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.
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (K=0.7).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (22 of 100).
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