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Clarias buthupogon Sauvage, 1879

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Clarias buthupogon
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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: Sauvage.

Environment: milieu / climate zone / depth range / distribution range 生態学

; 新鮮な水 底生の; pH range: 6.0 - 7.5; dH range: 15 - 25; potamodromous (Ref. 51243). Tropical; 22°C - 28°C (Ref. 12468); 10°N - 11°S

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Africa: from coastal rivers of Benin and Nigeria over rivers Cross, Sanaga, Wouri and Ogooué (Cameroon and Gabon) to the Congo River basin (Democratic Republic of the Congo, Angola, Congo Republic, Central African Republic and Zambia) (Ref. 248).

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 34.1 cm TL オス/雌雄の選別がない; (Ref. 11363)

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) : 75 - 88; 肛門の骨: 0; 臀鰭: 55 - 68; 脊つい: 56 - 63. Diagnosis: head relatively broad, 14.2-20.9% of standard length (Ref. 57129, 81644). Head length 21.0-27.9% SL (Ref. 101841). Wide interorbital distance (Ref. 248), 41.3-51.8% averaging 46.4% of head length (Ref. 57129, 81644). Large tooth plates (Ref. 248), width of premaxillary tooth plate 25.9-37.2% of head length (m=29.5), width of vomerine tooth plate 21.0-31.2% of head length (Ref. 57129, 81644). Barbels extremely long (Ref. 248, 57129, 81644), nasal barbel 77.8-187.5%, maxillary barbel 142.9-305.8%, inner mandibular barbell 58.9-128.7%, and outer mandibular barbell 104.3-211.2% of head length (Ref. 57129, 81644). Head rather rectangular in dorsal outline; eyes more laterally located (Ref. 248). Frontal fontanelle long and narrow ("knife-shaped")(Ref. 248, 57129). Occipital fontanelle oval-shaped; pectoral spine robust and slightly curved (Ref. 248), strongly serrated on outside and inside (Ref. 81644, 101841). Gill rakers on first branchial arch long and slender; suprabranchial organ well developed, however not completely filling the cavity (Ref. 248). Openings of secondary canals of lateral line irregularly placed on the body (Ref. 248, 81644). Cleithrum mostly embedded in soft tissue, only thin bony ridge is exposed through skin; dorsal fin length 61.5-73.0% SL; distance from dorsal to caudal fin -1.4-2.1% SL (Ref. 101841). Colouration: both live and preserved specimens usually dark-coloured (Ref. 57129, 81644, 101841). 2 types of colouration: one uniform dark brown to black on back and sides and light on belly (Ref. 57129, 81644, 101841), and upper sides of paired fins dark on lower sides and light on upper sides (Ref. 248). The other marbled, with small brown spots against a light background on back and sides and belly whitish; very dark unpaired fins; caudal fin with a series of vertical bars (a light bar in the middle flanked by dark ones)(Ref. 248, 57129, 81644, 101841). Some specimens may show irregular pattern of small white spots on body (Ref. 101841).

生物学     用語集 (例 epibenthic)

Facultative air-breathing (Ref. 126274); Found in lakes, rivers, floodplains and swamps. Bottom feeder, the stomach contained plants, algae, insect larvae (Ephemeroptera, Chironomidae, Ceratopogonidae, Odonata), Entomostraca (Cladocera, Ostracoda), Thecamiba and remains of insects (Ref. 248).

Life cycle and mating behavior 成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生

主な参考文献 Upload your references | 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)

IUCNのレッドリストの状況は (Ref. 130435: Version 2024-2)

  軽度懸念 (LC) ; Date assessed: 28 April 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

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インターネットの情報源

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00511 - 0.01483), b=2.95 (2.81 - 3.09), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  3.3   ±0.41 se; based on food items.
回復力 (Ref. 120179):  高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (24 of 100).
Nutrients (Ref. 124155):  Calcium = 42.4 [20.5, 211.6] mg/100g; Iron = 1.66 [0.95, 2.88] mg/100g; Protein = 16.7 [15.7, 17.8] %; Omega3 = 0.257 [0.086, 0.727] g/100g; Selenium = 119 [41, 307] μg/100g; VitaminA = 37.7 [13.4, 106.1] μg/100g; Zinc = 0.986 [0.680, 1.402] mg/100g (wet weight);