分類 / 名前 共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
> Siluriformes (Catfishes) > Bagridae (Bagrid catfishes)
Etymology: Bagrus: Mozarabic, bagre, taken from Greek, pagros = a fish (Dentex sp.) (Ref. 45335).
Eponymy: Edward J E Degen (1852–1922) was a Swiss naturalist and ornithologist who lived and worked in Australia, Africa and England; he died in London. [...] (Ref. 128868), visit book page.
More on author: Boulenger.
Etymology: Bagrus: Mozarabic, bagre, taken from Greek, pagros = a fish (Dentex sp.) (Ref. 45335).
Eponymy: Edward J E Degen (1852–1922) was a Swiss naturalist and ornithologist who lived and worked in Australia, Africa and England; he died in London. [...] (Ref. 128868), visit book page.
More on author: Boulenger.
環境：環境 / 気候帯 / 深さの範囲 / 分布範囲 生態学
; 新鮮な水 底生の. Tropical; 1°N - 3°S
分布 領土 | 国連食糧農業機関の区域 | エコシステム | 事件 | 目的のマップ | 導入 | Faunafri
サイズ / 重さ / 年齢
簡単な記述 検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 1; 背鰭 (合計) : 9; 臀鰭: 12 - 13. Head much depressed, smooth above; long and narrow occipital processus, narrowly separated from interneural bone; snout broadly rounded, projecting beyond lower jaw (Ref. 2988). Eye iris dark, with a vivid yellow ring (Ref. 1568). Premaxillary band of teeth 6-7 times as long as broad, shorter than and as broad as or a little narrower than the vomerine band; maxillary barbel 1.25-2.33 times head length, extending to end of pectoral fin or a little beyond in adult, to end of ventral in young; nasal barbel 1/7(adult)-1/3 of head length; outer mandibular barbel 1.5-1.83 times length of inner and 0.5-1 times head length; gill-rakers rather long, widely set; dorsal spine smooth, less than 0.5 times head length; longest soft ray of dorsal fin 0.5-0.75 head length; adipose fin 4-5.5 times as long as deep, 1.5-1.66 times as long as dorsal fin; distance between dorsal and adipose fin 0.5-0.66 times dorsal fin length; pectoral spine not serrated in adult; caudal fin deeply forked, upper lobe with long filament (Ref. 2988).
Coloration: species blackish brown or dark steel-blue above, whitish or brassy yellow beneath with grey to blackish fins (Ref. 2988). Dark, nearly black on the back, fading into silver on the body, tinged with yellow (Ref. 36900).
Body shape (shape guide): elongated.
Body shape (shape guide): elongated.
Caught in reeds and papyrus; feeds on small fish; grows up to 30-40 pounds (= 13-18kg); flesh is good and fish is of high economic importance (Ref. 36900).
ライフサイクルと交尾行動 成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
主な参考文献
参考文献のアップロード | 参考文献 | コーディネーター | 協力者
Jayaram, K.C., 1966. Contributions to the study of the fishes of the family bagridae. A systematic account of the African genera with a new classification of the family. Bull. I.F.A.N. (A) 28(3):1064-1139. (Ref. 51686)
CITES
Not Evaluated
人間に対する脅威
Harmless
人間の用途
水産業: 商業
FAO - Publication: search | FishSource |
より多くの情報
ライフサイクル
繁殖
成熟
成熟度／エラ
生産力
放精
産卵群
卵
卵の開発
幼生
幼生の動力
繁殖
成熟
成熟度／エラ
生産力
放精
産卵群
卵
卵の開発
幼生
幼生の動力
解剖学
カマ
脳
オトリス
カマ
脳
オトリス
生理学
体組成
栄養素
酸素消費
水泳タイプ
泳ぐ速さ
視覚色素
フィッシュ・サウンド
病気と寄生虫
毒性（LC50）
体組成
栄養素
酸素消費
水泳タイプ
泳ぐ速さ
視覚色素
フィッシュ・サウンド
病気と寄生虫
毒性（LC50）
遺伝子の
ゲノム
遺伝子の
ヘテロ接合性
遺伝
遺伝的多様性
ゲノム
遺伝子の
ヘテロ接合性
遺伝
遺伝的多様性
用具
特記事項
XMLをダウンロードして下さい
インターネットの情報源
AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: 部類, 種 | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | 生命の木 | Wikipedia: 行く, 検索する | World Records Freshwater Fishing | Zoobank | 動物に関する記録
モデルに基づく推定値
|
系統多様性指数 (参照 82804) |
PD50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.00871 (0.00415 - 0.01826), b=2.93 (2.76 - 3.10), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
|
栄養段階 (参照 69278) |
4.2 ±0.73 se; based on food items. |
|
回復力 (参照 120179) |
高い, １５か月以下の倍増期間の最小個体群 (Assuming Fec>10,000). |
|
漁業の脆弱性 (Ref. 59153) |
Moderate to high vulnerability (50 of 100). 🛈 |
|
価格帯 (Ref. 80766) |
Unknown. |