分類 / 名前
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
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Characiformes (Characins) >
Anostomidae (Headstanders) > Leporininae
Etymology: Schizodon: Greek, schizein = to divide + Greek, odous = teeth (Ref. 45335); unimaculatus: Name 'unimaculatus' from Latin words 'uni' and 'maculatus', meaning 'single' and 'blotted', in reference to the dark brown blotch over caudal peduncle of the new species.
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
South America: Brazil.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 33.5 cm SL オス/雌雄の選別がない; (Ref. 133455)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 10; 臀鰭: 8. This species is distinguished from its congeners by the following set of characters: presence of a single conspicuous dark blotch on the caudal peduncle, a longitudinal dark stripe along the midlateral surface of the body, three horizontally aligned brown blotches forming interrupted dorsolateral lines; longitudinal stripe absent; subinferior mouth; 16 circumpeduncular scales; aligned brown blotches over the trunk present; elongated inconspicuous light-brown stripe on lateral line combined with a dark brown blotch on caudal peduncle; 32-34 preanal scales (Ref. 133455).
Cross section: compressed.
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Garavello, J.C., H.A. Britski, A.K. Oliveira and B.F. Melo, 2024. Schizodon unimaculatus, a new species from the lower Rio São Francisco with a reappraisal of the Schizodon species presenting a caudal-peduncle blotch (Teleostei: Anostomidae). Zootaxa 5537(2):245-258. (Ref. 133455)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
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) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01096 (0.00511 - 0.02351), b=3.07 (2.89 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
2.4 ±0.2 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) |
Moderate vulnerability (44 of 100). 🛈 |