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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Parananochromis: Greek, para = the side of + Latin, nannus = small + Greek, chromis = a fish, perhaps a perch (Ref. 45335).
More on author: Boulenger.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
; süßwasser demersal; pH range: 5.0 - 6.0; dH range: 5 - 9. Tropical; 22°C - 26°C (Ref. 2059)
Africa: present in the Ntem and associated drainages as well as the Ivindo and its tributaries, in Cameroon, Gabon (Ref. 81651) and Equatorial Guinea (Ref. 5673). Report from the Dja in Cameroon (Ref. 51193) is not confirmed in Ref. 81260 which considers this species as a Lower Guinea endemic.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 10.3 cm SL Männchen/unbestimmt; (Ref. 81260)
Rückenflossenstacheln (insgesamt) : 14 - 16; Rückenflossenweichstrahlen (insgesamt) : 9 - 11; Afterflossenstacheln: 3; Afterflossenweichstrahlen: 6 - 8. Diagnosis: lachrymal plus four tubular infraorbitals, no gap between third and fourth tubular infraorbital (Ref. 81260).
Monogamous, biparental, substrate spawners displaying some degree of sexual dichromatism (Ref. 81260). Pair-bonding cave spawner (Ref. 52307).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
Daget, J., 1991. Parananochromis. p. 356-357. In J. Daget, J.-P. Gosse, G.G. Teugels and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 4. (Ref. 5673)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (Ref. 82804) |
PD50 = 0.5039 [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). |
Trophische Ebene (Ref. 69278) |
3.3 ±0.4 se; based on size and trophs of closest relatives |
Widerstandsfähigkeit (Ref. 120179) |
hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.). |
Anfälligkeit der Fischerei (Ref. 59153) |
Low vulnerability (15 of 100). 🛈 |