分類 / 名前
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Acanthuriformes (Surgeonfishes) >
Siganidae (Rabbitfishes)
Etymology: Siganus: Latin, siganus = a fish, rabbit fish; by the similarity of the nose (Ref. 45335).
More on author: Bleeker.
Taxonomic Remarks
The species needs genetic confirmation as it is sometimes interpreted as a variant of Signanus argenteus (G, Allen, pers. Comm. August 2024).
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海 関連する礁; 深さの範囲 1 - 10 m (Ref. 90102). Tropical; 10°N - 15°S
Western Central Pacific: Indonesia (Java and Moluccas) but probably more widespread (e.g. Palawan; Pohnpei; Andaman Islands).
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 25.0 cm TL オス/雌雄の選別がない; (Ref. 9813)
背面の脊椎 (合計) : 13; 背鰭 (合計) : 10; 肛門の骨: 7; 臀鰭: 9; 脊つい: 13. Golden-red dorsally, paler below. Spine stout, pungent and venomous. Preopercular angle 105° (95°); strong, overlapping scales cover cheeks; midline of thorax scaled, not pelvic ridges. Anterior encircled by a flattened flange or rim, broader posteriorly.
Body shape (shape guide): short and / or deep; Cross section: compressed.
Coastal species which occurs around coral reefs. Probably forms schools. Has herbivorous dentition. Either rare or not being recorded separately from similar species (Ref. 9813). Found in pairs on shallow coastal reefs (Ref. 48637).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Woodland, D.J., 1990. Revision of the fish family Siganidae with descriptions of two new species and comments on distribution and biology. Indo-Pac. Fish. (19):136 p. (Ref. 1419)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
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モデルに基づく推定値
好ましい温度 (参照
123201): 28.5 - 29.2, mean 28.9 °C (based on 553 cells).
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=0.01096 (0.00594 - 0.02026), b=3.00 (2.84 - 3.16), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
回復力 (参照
120179): 高い, 15か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
漁業の脆弱性 (Ref.
59153): Low vulnerability (15 of 100).
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