Environment: milieu / climate zone / depth range / distribution range
Ekologi
; air tawar bentopelagis; pH range: 6.0 - 7.0; dH range: 3 - 10; nir-ruaya; kisaran kedalaman 0 - ? m. Tropical; 21°C - 26°C (Ref. 42576); 5°N - 1°N
Africa: coastal regions of western Cameroon around Moliwe and Douala, and on Fernando Poo (=Bioko) (Equatorial Guinea) (Ref. 81260).
Size / Weight / umur
Maturity: Lm ?  range ? - ? cm
Max length : 7.8 cm SL jantan/; (Ref. 81260)
deskripsi pendek
Morfologi | Morfometrik
Duri punggung (Keseluruhan (total)): 15 - 16; duri punggung lunak (Keseluruhan (total)): 9-10; Duri dubur 3; Sirip dubur lunak: 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
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fecundity | Larva
Both parents participate in mouthbrooding (Ref. 42576).
Sonnenberg, R., 2002. Benitochromis nigrodorsalis. Datz 55(7), Aquarien-Praxis:12. (Ref. 42576)
Status IUCN Red List (Ref. 130435)
terancam (EN) (B1ab(iii)+2ab(iii)); Date assessed: 16 February 2009
ancaman kepada manusia
Harmless
penggunaan manusia
Perikanan: tidak ada kepentingan
informasi lanjut
Umur / SaizPertumbuhanpanjang-beratpanjang-panjangukuran frekuensiMorfometrikMorfologiLarvaDinamika larvapemulihanKelimpahanBRUVS
AcuanBudidaya airprofil budidaya airStrainGenetikaElectrophoresesDiturunkanPenyakit-penyakitPengolahanNutrientsMass conversion
mitraGambarStamps, Coins Misc.Suara-suaraCiguateraKecepatanTipe renangArea insangOtolithsOtakPenglihatan / visi
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 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
Daya lenting (Ref.
120179): sedang, Waktu penggandaan populasi minimum 1.4 - 4.4 tahun (Assuming Fec<1000).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).