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Siluriformes (Catfishes) >
Amphiliidae (Loach catfishes) > Doumeinae
Etymology: howesi: The species name, howesi, is in honor of Gordon J. Howes, formerly of the Natural History Museum, London, in recognition of his many contributions to ichthyology (Ref. 92838).
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; air tawar dasar (demersal). Tropical
Africa: Luachimo River and its rapids (Kasai River drainage, middle Congo River basin) in Angola (Ref. 92838).
Size / Weight / umur
Maturity: Lm ? range ? - ? cm
Max length : 11.3 cm SL jantan/; (Ref. 92838)
deskripsi pendek
Morfologi | Morfometrik
Duri punggung (Keseluruhan (total)): 0; duri punggung lunak (Keseluruhan (total)): 8; Duri dubur 0; Sirip dubur lunak: 8 - 10; vertebrata, bertulang belakang: 38 - 39. Congoglanis howesi differs from C. alula in the caudal-peduncle length relative to the caudal-peduncle depth (360%-380% vs. 260%-330%), the head depth (46-57% of head length vs. 38-45%), and the more attenuate head (Ref. 92838). It differs from C. inga in the length of the maxillary barbel, which is extending beyond posterior nostril but falling distinctly short of vertical through anterior margin of orbit vs. extending well beyond anterior margin of orbit, the body width at the dorsal-fin origin (14-16% of standard length vs. 17-20%), the postorbital length (29-32% of head length vs. 32-35%), the caudal peduncle length relative to the caudal-peduncle depth (360-380% vs. 210-290%), the number of vertebrae (38-39 vs. 35-37), and the length of the caudal peduncle, being 20-24% of standard length vs. 16-21% (Ref. 92838). It differs from C. sagitta in the length of the pelvic fin (22-28% of standard length vs. 19-21%), the head width (75-78% of head length vs. 63-73%), the length of the adpressed anal fin, reaching beyond the vertical through the posterior terminus of the adipose fin vs. reaching to or falling short of that vertical, and the length of the pectoral fin, being 26-32% of standard length vs. 23-27% (Ref. 92838).
Found in the rapids of the Luachimo River (Ref. 92838).
Life cycle and mating behavior
Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fecundity | Larva
Vari, R.P., C.J. Ferraris Jr. and P.H. Skelton, 2012. New species of Congoglanis (Siluriformes: Amphiliidae) from the southern Congo River basin. Copeia 2012(4):626-630. (Ref. 92838)
Status IUCN Red List (Ref. 130435)
ancaman kepada manusia
Harmless
penggunaan manusia
Perikanan:
informasi lanjut
Nama-nama umumSinonim (persamaan)metabolismePemangsaEkotoksikologiReproduksi, perkembang biakanKematanganPemijahanSpawning aggregationFecunditytelur-telurpekembangan telor
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 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: 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).
Trophic level (Ref.
69278): 3.1 ±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 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
