分類 / 名前
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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: Peters.
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; 4°N - 2°N
Africa: Kribi (Kienke) and Lobé/Lobi in Cameroon (Ref. 248, 78218, 81644), Komo and Ntem in Cameroon
and Gabon, and the Ogowe in Gabon (Ref. 81644). Other reports unconfirmed in Ref. 248, 78218 or 81644, including reports from the rivers Boumba and Lobi (Dja system, middle Congo River basin) in Cameroon (Ref. 51193), Luongo River (upper Congo River basin) in Zambia (Ref. 27609), Zambezi, Chobe and Kwando in Namibia (Ref. 37065) and Ehoma floodplain in Nigeria (Ref. 52861). Reports from the Kasai, Kwango and Kwilu systems in Ref. 11970 refer to Clarias platycephalus, C. angolensis and C. dumerilii (Ref. 114852).
サイズ / 重さ / 年齢
成熟: Lm ? range ? - ? cm
Max length : 16.0 cm TL オス/雌雄の選別がない; (Ref. 3820)
背面の脊椎 (合計) : 0; 背鰭 (合計) : 82 - 85; 臀鰭: 67 - 74; 脊つい: 66 - 69. Diagnosis: head short (Ref. 248), its length 18.3-20.6% SL (Ref. 81644), small and rather rounded in dorsal outline (Ref. 248). Eyes dorsally located; frontal fontanelle extremely short and oval-shaped; occipital fontanelle oval-shaped; "dermosphenotic" and supraorbital bones joined and well developed (Ref. 248). Tooth plates relatively broad (Ref. 248), width of premaxillary band 26.2-29.7% HL, width of vomerine band 24.5-26.5% HL (Ref. 81644). Pectoral spine slightly curved (Ref. 248), strongly serrated on posterior face, weakly serrated on its anterior face (Ref. 81644). Gill rakers long, slender and distantly set; suprabranchial organ well developed (Ref. 248). Oenings of secondary sensory canals regularly placed along flanks (Ref. 248, 81644).
Body shape (shape guide): elongated; Cross section: circular.
Facultative air-breathing (Ref. 126274); The biology of this species is in the main unknown (Ref. 78218). Maximum size reported is 159mm TL (Ref. 81644).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
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)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
脆弱 (VU) (D2); Date assessed: 16 February 2009
人間の用途
水産業: 興味がない
用具
特記事項
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インターネットの情報源
モデルに基づく推定値
系統多様性指数 (参照
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00776 (0.00372 - 0.01620), b=2.96 (2.79 - 3.13), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
栄養段階 (参照
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
回復力 (参照
120179): 高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
漁業の脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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