分類 / 名前
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Acanthuriformes (Surgeonfishes) >
Chaetodontidae (Butterflyfishes)
Etymology: haraguchiae: Named for Mrs. Yuriko Haraguchi, who supported the authors' ichthyological research and fish collection management at the Kagoshima University Museum as a volunteer over 15 years.
Eponymy: Mrs Yuriko Haraguchi was a volunteer at the Kagoshima University Museum. She was honoured because she “…has kindly supported our ichthyological research and fish collection management at the Kagoshima University Museum as a volunteer.” (Ref. 128868), visit book page.
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 37 - 162 m (Ref. 123118). Tropical
Western Pacific: Japan and the Philippines.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 109 cm SL オス/雌雄の選別がない; (Ref. 127431)
簡単な記述
検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 10 - 11; 背鰭 (合計) : 21 - 22; 肛門の骨: 3; 臀鰭: 16 - 17. This species is distinguished by the following characters: non-pored lateral-line scales 5–8; scale
rows above lateral line 11-12 and below lateral line 22-28; scale rows under longer axis of black blotch on dorsal-fn soft-rayed portion 10-12; head depth 46.2-54.9% (mean 51.6%) of SL; postorbital short, length 12.1-14.1% (13.1%) of SL; long snout, its length 33.2-38.7% (35.6%) of
HL; short pectoral-fin, its length 27.9-32.4% (29.5%) of SL; anterior margin of second body band does not reach anteroventrally to pelvic-fin spine base; pelvic-fin spine and first pelvic-fin soft ray is white and remaining soft rays and membranes entirely black; membranes associated with first and second dorsal-fin spines are blackish distally; second and third body bands without blackish edges (Ref. 123118).
Cross section: compressed.
Taken in by bottom trawls, thus indicating a sandy bottom habitat. Also, photos taken of this species were from rocky bottom areas in fairly deep water and were observed occurring in pairs (Ref. 123118).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Uejo, T., H. Senou and H. Motomura, 2020. Roa haraguchiae, a new species of butterflyfish (Teleostei: Perciformes: Chaetodontidae) from Japan and the Philippines. Ichthyological Research 67(3):408-415. (Ref. 123118)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
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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 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.02239 (0.01112 - 0.04506), b=3.01 (2.84 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
4.4 ±0.5 se; based on size and trophs of closest relatives |
回復力 (参照 120179) |
非常に低い, 14年以上の倍増期間の最小個体群 (Preliminary K or Fecundity.). |
漁業の脆弱性 (Ref. 59153) |
High to very high vulnerability (68 of 100). 🛈 |