分類 / Names
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
>
Acanthuriformes (Surgeonfishes) >
Leiognathidae (Slimys, slipmouths, or ponyfishes) > Gazzinae
Etymology: ryukyuensis: Named for its type locality, Okinawa, Japan. Okinawa Prefecture used to be the Ryukyu Kingdom.
Environment: milieu / climate zone / depth range / distribution range
生態学
海 底生の. Subtropical
Northwest Pacific: Japan.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 9.6 cm SL オス/雌雄の選別がない; (Ref. 130900)
簡単な記述
検索表 | 形態学 | 形態計測学
This species is distinguished by the following set of characters: body depth 35-45% SL, 126-167% HL; posterior margin of adipose eyelid not incised (similar to E. rivulatus); upper branch of postorbital canal is short, just reaching to or very slightly extending beyond posterior margin of preopercle (similar to E. berbis); anterior tip of scaly area on breast just reaching to vertical through junction of interopercle and subopercle at margin of operculum; interspace of pelvic keels naked; scale rows above and below lateral line 11-17 and 17-24, respectively (some of both 29-38); scale rows between lowest base of pectoral fin and pelvic-fin insertion 8-9; markings on anterior dorsolateral body comprised of short wavy lines or oblique lines; second anal-fin spine short, not extending beyond base of fifth soft ray (Ref. 130900).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Suzuki, T. and S. Kimura, 2024. Taxonomic revision of the genus Equulites Fowler 1904 (Acanthuriformes: Leiognathidae). Ichthyol. Res. 71:213-259. (Ref. 130900)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-1)
Human uses
水産業: 商業
用具
特記事項
XMLをダウンロードして下さい
インターネットの情報源
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01259 (0.00539 - 0.02941), b=3.07 (2.89 - 3.25), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
