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: Bloch.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海; 汽水性の 関連する礁; 深さの範囲 0 - 25 m (Ref. 90102). Tropical; 24°C - 28°C (Ref. 27115); 30°N - 30°S
Eastern Indian Ocean and Western Pacific: Andaman Islands, Thailand, Malaysia, Singapore, Indonesia (including Irian Jaya), Viet Nam, Ryukyus, southern and eastern China, Taiwan, South China Sea, Philippines, and Palau. Replaced by Siganus lineatus to the west, south and east of the region described by the said localities.
初回成熟時の長さ / サイズ / 重さ / 年齢
成熟: Lm 18.1, range 12 - ? cm
Max length : 42.0 cm TL オス/雌雄の選別がない; (Ref. 9710); common 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. Dusky blue dorsally, silvery below; a bright yellow spot adjacent to last few rays of dorsal fin; head with lines and spots. Preopercular angle 91°-102°; strong scales fully cover the cheeks; midline of thorax scaled, not the pelvic ridges. Anterior nostril with extremely low rim, slightly expanded posteriorly. Spines stout, pungent, venomous.
Body shape (shape guide): short and / or deep; Cross section: compressed.
Inhabits turbid inshore reefs among mangroves; tolerates or even prefers low salinities. Fry settles in seagrass beds around river mouths and adults enter and leave rivers with the tide, but also found on the drop-offs of inshore fringing reefs down to 6 m. Schools throughout life; school size for adults around 10 or 15. Feeds on benthic algae. Unlike other siganids, this species is reported to be active at night. Sold fresh in markets (Ref. 9813, 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
Usually spawns at midnight.
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))
人間の用途
水産業: 商業; 水産養殖: 商業; 水族館・水槽: 商業
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=0.01585 (0.01252 - 0.02006), b=3.04 (2.99 - 3.09), in cm total length, based on LWR estimates for this species (Ref. 93245). |
栄養段階 (参照 69278) |
2.7 ±0.30 se; based on food items. |
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Generation time |
0.8 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies. |
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 (19 of 100). 🛈 |
価格帯 (Ref. 80766) |
High.
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栄養素 (Ref. 124155) |
Calcium = 42.8 [20.6, 111.6] mg/100g; Iron = 0.873 [0.393, 2.154] mg/100g; Protein = 19.2 [17.7, 20.8] %; Omega3 = 0.115 [0.054, 0.240] g/100g; Selenium = 30.7 [10.6, 83.4] μg/100g; VitaminA = 13.9 [3.1, 62.6] μg/100g; Zinc = 1.46 [0.56, 3.27] mg/100g (wet weight); |