分類 / Names
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Characiformes (Characins) >
Chilodontidae (Headstanders)
Etymology: Caenotropus: Greek, kainos = new + Greek, trope = turn, revolution (Ref. 45335); schizodon: The specific name, schizodon, from Greek words schize for divided and odons teeth, is in reference to the bifid premaxillary teeth present in the species (Ref. 58736).
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 外洋の. Tropical; 10°S - 11°S
South America: Brazil. Upper and middle portions of Rio Tapajós basin, Rio Amazonas basin (Ref. 58736).
サイズ / 重さ / 年齢
Maturity: Lm ?  range ? - ? cm
Max length : 9.1 cm SL オス/雌雄の選別がない; (Ref. 58736)
簡単な記述
形態学 | 形態計測学
Body relatively robust, more so in larger individuals. Greatest body depth at dorsal-fin origin. Dorsal profile of head distinctly convex anteriorly, straight to slightly convex from region proximate to vertical through posterior nostril to rear of supraoccipital. Dorsal profile of body straight to slightly convex from rear of head to dorsal-fin origin, straight and posteroventrally slanted along dorsal-fin base, and slightly convex to slightly concave from base of last dorsal-fin ray to caudal peduncle. Dorsal surface of body with transversely obtuse median ridge extending five to six scales anterior of dorsal fin. Dorsal surface of body smoothly rounded transversely posterior of fin. Ventral profile of body more or less gently convex from tip of lower jaw to caudal peduncle. Prepelvic region transversely flattened with obtuse lateral angles and median series of scales. Postpelvic region gently rounded posterior to anus (Ref. 58736).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Scharcansky, A. and C.A.S de Lucena, 2007. Caenotropus schizodon, a new chilodontid fish from the Rio Tapajós drainage, Brazil (Ostariophysi: Characiformes: Chilodontidae). Zootaxa 1557:59-66. (Ref. 58736)
Human uses
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Age/Size成長体長-重さLength-length体長組成形態計測学形態学幼生幼生の動力補充豊度BRUVS
参考文献水産養殖水産養殖の紹介緊張遺伝子のElectrophoreses遺伝病気行列NutrientsMass conversion
協力者画像Stamps, Coins Misc.音シガテラ(食中毒の名前)速度泳ぐ 型式カマOtoliths脳視覚
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インターネットの情報源
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5664 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00178 - 0.01174), b=3.10 (2.87 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 2.9 ±0.2 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).