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Clarias ngamensis
画像によって Mertens, P.
画像 | グーグルの画像
画像によって Mertens, P.
分類 / 名前 共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
> Siluriformes (Catfishes) > Clariidae (Airbreathing catfishes)
Etymology: Clarias: Greek, chlaros = lively, in reference to the ability of the fish to live for a long time out of water.
More on author: Castelnau.
Etymology: Clarias: Greek, chlaros = lively, in reference to the ability of the fish to live for a long time out of water.
More on author: Castelnau.
環境：環境 / 気候帯 / 深さの範囲 / 分布範囲 生態学
; 新鮮な水; 汽水性の 底生の; potamodromous (Ref. 51243). Tropical; 11°S - 27°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
Africa: Quanza, Cunene, Okavango, Chobe, Lake Ngami, upper Zambezi (above Victoria Falls), Kafue, Lake Malawi, upper Lualaba, Luapula, Lakes Moero and Bangweulu, Pungwe, Buzi, Save, Limpopo, Incomati, lower Pongolo and lower Sabi/Lundi system (Ref. 248). Also reported from the lower Shire (Ref. 7248, 52193)
サイズ / 重さ / 年齢
成熟: Lm ? range ? - ? cm
Max length : 73.0 cm TL オス/雌雄の選別がない; (Ref. 52193); 最大公表体重: 4.0 kg (Ref. 52193)
Max length : 73.0 cm TL オス/雌雄の選別がない; (Ref. 52193); 最大公表体重: 4.0 kg (Ref. 52193)
簡単な記述 検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 0; 背鰭 (合計) : 56 - 62; 肛門の骨: 0; 臀鰭: 50 - 58; 脊つい: 56 - 60. Diagnosis: Characterized by a relatively long vomerine tooth plate (5.9-14.4% of head length) and by a relatively short adipose fin (5.9-12.5% of standard length), the length of which is a specific character of Clarias ngamensis; head oval to rectangular in dorsal outline; frontal fontanelle long and narrow (`knife-shaped'); occipital fontanelle small and oval-shaped; pectoral spine robust and slightly curved; the suprabranchial organ consists of well developed arborescent structures (Ref. 248). It is distinguished from Clarias gariepinus by having a short adipose fin behind the rayed dorsal and an ovoid vomerine toothplate with granular or blunt teeth (Ref. 52193).
Body shape (shape guide): elongated; Cross section: oval.
Body shape (shape guide): elongated; Cross section: oval.
Facultative air-breathing (Ref. 126274); The species seems to be nowhere especially abundant but is fairly common in some areas such as weed beds, permanent swamps, quieter waters and muddy bottoms (Ref. 248, 5595). Prefers vegetated habitats. Feeding habits overlap considerably with the sharptooth catfish. Important foods are mollusks, terrestrial and aquatic insects, insect larvae, shrimps, grain, crabs and fish (Ref. 4967, 78218). Feeds on snails (Ref. 5595). Hard-shelled foods such as mussels are crushed before they are swallowed. Breeds during the summer rainy season. May live for 5-6 years (Ref. 7248). Also caught with drawnets (Ref. 4967).
ライフサイクルと交尾行動 成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Breeding is reportedly flood dependent and similar to that of C. gariepinus.
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
Teugels, G.G., 1986. A systematic revision of the African species of the genus Clarias (Pisces; Clariidae). Ann. Mus. R. Afr. Centr., Sci. Zool., 247:199 p. (Ref. 248)
CITES
Not Evaluated
人間に対する脅威
Harmless
人間の用途
水産業: 商業; 水産養殖: 商業; ゲームフィッシュ: はい; 水族館・水槽: 商業
FAO - Publication: search | FishSource |
より多くの情報
解剖学
カマ
脳
オトリス
カマ
脳
オトリス
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
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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
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系統多様性指数 (参照 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.00776 (0.00432 - 0.01396), b=2.98 (2.82 - 3.14), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245). |
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栄養段階 (参照 69278) |
4.3 ±0.5 se; based on diet studies. |
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回復力 (参照 120179) |
手段, １．４年～４．４年の倍増期間の最小個体群 (K=0.22-0.41). |
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漁業の脆弱性 (Ref. 59153) |
Moderate vulnerability (36 of 100). 🛈 |
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価格帯 (Ref. 80766) |
Unknown. |
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栄養素 (Ref. 124155) |
Calcium = 29.1 [14.5, 133.1] mg/100g; Iron = 1.04 [0.62, 1.87] mg/100g; Protein = 17.2 [16.1, 18.2] %; Omega3 = 0.137 [0.066, 0.309] g/100g; Selenium = 90.7 [37.8, 217.9] μg/100g; VitaminA = 15.2 [5.6, 41.2] μg/100g; Zinc = 0.547 [0.403, 0.741] mg/100g (wet weight); |