分類 / 名前
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Beloniformes (Needle fishes) >
Adrianichthyidae (Ricefishes) > Oryziinae
Etymology: Oryzias: Greek, oryza = rice; because of the habitat used by this fish (Ref. 45335); cabaranensis: Name 'cabaranensis' from the type locality of the new species, Cabaran (the classical name for Yilan County).
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. Subtropical
Asia: Taiwan.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 3.2 cm SL オス/雌雄の選別がない; (Ref. 138528)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 6; 臀鰭: 17 - 18; 脊つい: 28 - 29. This species is distinguished from its congeners by the following set of characters: dorsal-fin rays 6 (6 seen in holotype); anal-fin rays modally 17; pelvic-fin rays 6 (6); pectoral fin rays 9-10; body compressed laterally, robust anteriorly and slender posteriorly; body depth at pelvic origin 20.9-23.3 (22.3); body depth at anal fin origin 17.2-20.1 (18.8); the dorsal-fin origin inserted almost at the vertical of 12th anal-fin rays; membrane between dorsal-fin 5th and 6th rays with distinct notch in adult male; body translucent, light creamy yellowish to light brown, a conspicuous, narrowly dotted, longitudinal black line along the middle forward to vertical above pelvic fin; belly wall, peritoneum slivery, somewhat subrectangular; operculum and pre-pectoral region slivery; absence silvery scales on lateral body except central part of middle body; eye light bluish silvery dorsally; all fins and belly translucent and colored pale white; caudal fin unmarked; and pelvic and anal fin with widely scattered tiny melanophores (Ref. 138528).
Body shape (shape guide): elongated; 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
Chen, I.-S., M.-F. Yeh and H.-T. Lai, 2025. A new freshwater ricefish of genus Oryzias (Teleostei: Adrianichthyidae) from northern Taiwan. Zootaxa 5738(1):190-196. (Ref. 138528)
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=0.00437 (0.00167 - 0.01142), b=3.11 (2.89 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
3.3 ±0.4 se; based on size and trophs of closest relatives |
漁業の脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |