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> Cichliformes (Cichlids, convict blennies) > Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology:

Environment: milieu / climate zone / depth range / distribution range Ökologie

; süßwasser benthopelagisch; pH range: 6.0 - 7.0; dH range: 3 - 10; standorttreu; tiefenbereich 0 - ? m. Tropical; 21°C - 26°C (Ref. 42576); 5°N - 1°N

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Africa: coastal regions of western Cameroon around Moliwe and Douala, and on Fernando Poo (=Bioko) (Equatorial Guinea) (Ref. 81260).

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 7.8 cm SL Männchen/unbestimmt; (Ref. 81260)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 15 - 16; Rückenflossenweichstrahlen (insgesamt) : 9 - 10; Afterflossenstacheln: 3; Afterflossenweichstrahlen: 8. Diagnosis: dense black band of coloration in dorsal fin membrane (Ref. 81260).

In coastal rivers and creeks (Ref. 42576). Pair-bonding, ovophilic mouthbrooder (Ref. 52307, 81260) with delayed uptake (Ref. 81260). Spawns on open substrates; both parents brood offspring (Ref. 81260).

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

Both parents participate in mouthbrooding (Ref. 42576).

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Sonnenberg, R., 2002. Benitochromis nigrodorsalis. DATZ 55(7):12. (Ref. 42576)

IUCN Rote Liste Status (Ref. 130435)

stark gefährdet (EN) (B1ab(iii)+2ab(iii)); Date assessed: 16 February 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

Fischereien: nicht kommerziell

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01514 (0.00700 - 0.03275), b=2.97 (2.80 - 3.14), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.3 ±0.4 se; based on size and trophs of closest relatives

Widerstandsfähigkeit (Ref. 120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Assuming Fec<1000).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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Benitochromis nigrodorsalis Lamboj, 2001