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Synchiropus ijimai, Japanese dragonet : fisheries, aquarium
分类 / 名称 俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei > Callionymiformes (Dragonets) > Callionymidae (Dragonets)
Etymology: Synchiropus:Greek, syn, symphysis = grown together + Greek, cheir = hand + Greek, pous = foot (Ref. 45335). Eponymy: Professor Dr Isao Ijima (1861–1921) was Professor of Zoology at Science College, Imperial University of Tokyo (1885–1921) from where he had graduated (1881). [...] (Ref. 128868), visit book page. More on authors: Jordan & Thompson.
环境:氛围 / 气候带 / 深度上下限 / 分布范围 生态学
海洋 礁区鱼类; 深度上下限 10 - 20 m (Ref. 9710), usually 10 - 20 m (Ref. 27115). 溫帶; 18°C - 22°C (Ref. 27115)
背棘 (总数) : 4; 背的软条 (总数) : 8; 臀棘: 0; 臀鳍软条: 7. A pair of supraorbital cirri present. The first dorsal fin of male high, broad and with many narrow white lines. Preopercular spine with an antrorse process at base which is absent in N. ocellatus and N. morrisoni. Attains 7 cm SL. Body shape (shape guide): fusiform / normal; Cross section: circular. 一对眶上的触须呈现。 第一背鳍雄鱼高的, 宽的而且有许多狭窄的白色线。 前鳃盖骨棘有一个在基底的向前及向上的突起是不存在于 N. ocellatus 与 N. morrisoni. 达到 7 公分 SL 。
Inhabits coral and rocky reefs. Found on algal covered rocks and boulders (Ref. 9710).
Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
系统发育多样性指数 (参考文献 82804): PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00385 - 0.02260), b=2.96 (2.75 - 3.17), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (参考文献 69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
回复力 (参考文献 120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
渔业脆弱性 (Ref. 59153): Low vulnerability (10 of 100). 🛈