Lingkungan: lingkungan / zona iklim / kisaran kedalaman / jangkauan distribusi
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).
Ukuran / Berat / umur
Kematangan: Lm ?  range ? - ? cm
Max length : 7.8 cm SL jantan/; (Ref. 81260)
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).
Siklus hidup dan perilaku kawin
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fekunditas | Larva
Both parents participate in mouthbrooding (Ref. 42576).
Sonnenberg, R., 2002. Benitochromis nigrodorsalis. DATZ 55(7):12. (Ref. 42576)
Status IUCN Red List (Ref. 130435: Version 2025-2 (Global))
terancam (EN) (B1ab(iii)+2ab(iii)); Date assessed: 16 February 2009
ancaman kepada manusia
Harmless
penggunaan manusia
Perikanan: tidak ada kepentingan
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimasi berdasarkan model
Indeks keanekaragaman filogenetik (Acuan 82804) |
PD50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
a=0.01445 (0.00671 - 0.03113), b=2.99 (2.82 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Tingkat Trofik (Acuan 69278) |
3.3 ±0.4 se; based on size and trophs of closest relatives |
Daya lenting (Acuan 120179) |
sedang, Waktu penggandaan populasi minimum 1.4 - 4.4 tahun (Assuming Fec<1000). |
Kerentanan Penangkapan Ikan (Ref. 59153) |
Low vulnerability (12 of 100). 🛈 |