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Siluriformes (Catfishes) >
Mochokidae (Squeakers or upside-down catfishes) > Mochokinae
Etymology: Synodontis: Greek, syn, symphysis = grown together + Greek, odous = teeth (Ref. 45335).
More on author: Günther.
環境：環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
; 新鮮な水 底生の漂泳性. Tropical
Africa: upper Senegal (Mali), Niger, Volta and Chad basins (Ref. 57223). Also in the Nile (Ref. 3202).
サイズ / 重さ / 年齢
成熟: Lm ? range ? - ? cm
Max length : 36.0 cm SL オス/雌雄の選別がない; (Ref. 31256)
簡単な記述
検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 1; 肛門の骨: 0. Diagnosis: gill slits not extending ventrally beyond pectoral-fin insertions; post-orbital length at most 60% of snout length; maxillary barbels broadly fringed, shorter than head, unbranched and without tubercles, but with a well visible, broad basal membrane; mandibular barbels with rather numerous, long, simple and tuberculate ramifications; mandibular teeth very long, numbering 6-10 (10 in the lectotype); denticulations on pectoral-fin spines finer and more close-set on outer than on inner margin; dorsal-fin spine finely denticulate on anterior margin; humeral process deep, granulose, its lower margin convex, ending in a blunt point and not keeled; adipose fin normally developed and distinctly separated from rayed dorsal fin, its posterior margin truncate; caudal fin strongly developed as compared to that of other species (Ref. 57223).
Coloration: general appearance greyish, ventral regions lighter; outer margins of caudal fin black-edged (Ref. 57223).
Body shape (shape guide): fusiform / normal.
Oviparous (Ref. 205). Maximum reported size: 400mm TL, 310mm SL (Ref. 57223).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Oviparous (Ref. 205). Distinct pairing during breeding (Ref. 205).
Paugy, D. and T.R. Roberts, 2003. Mochokidae. p. 195-268 In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douce et saumâtres de l'Afrique de l'Ouest, Tome 2. Coll. Faune et Flore tropicales 40. Musée Royal de l'Afrique Centrale, Tervuren, Belgique, Museum National d'Histoire Naturalle, Paris, France and Institut de Recherche pour le Développement, Paris, France. 815 p. (Ref. 57223)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
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=0.01479 (0.00900 - 0.02430), b=2.84 (2.71 - 2.97), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
栄養段階 (参照
69278): 2.8 ±0.3 se; based on size and trophs of closest relatives
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 (Preliminary K or Fecundity.).
漁業の脆弱性 (Ref.
59153): Low to moderate vulnerability (34 of 100).
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