分类 / Names
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Teleostei >
Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobiinae
Etymology: Istigobius: Greek, istios = sail + Latin, gobius = gudgeon (Ref. 45335).
More on author: Tanaka.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 居于水底的; 深度上下限 3 - 14 m. 热带; 40°N - 20°N
Northwest Pacific: southern Japan, southern Korea, and Hong Kong. Reported from the Penghu Islands (Ref. 55073).
西北太平洋: 日本南部，韩国南部与香港。 记录来自澎湖岛了。 (参考文献 55073)
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 8.9 cm TL 雄鱼/尚未辨别雌雄; (Ref. 420); 7.7 cm TL (female)
背棘 (总数) : 7; 背的软条 (总数) : 11; 臀棘: 1; 臀鳍软条: 10; 脊椎骨: 26. Upper pectoral fin rays entire. Cycloid predorsal scales 13-17, ctenoid on trunk. No scales on antero-dorsal part of operculum. A large diagonal blue stripe beneath the eye from corner of mouth to dorsal most part of preoperculum. Only males with a black spot distally on membranes between IV and VI spines of 1st dorsal fin.
上面的胸鳍鳍条整个的。 圆形的前背鳞片 13-17, 有栉鳞的在躯干上。 没有鳞片在鳃盖的前背部份上。 在从嘴角到前鳃盖骨的背部大多数部份的眼之下的一条大的斜蓝色的斑纹。 只在第一背鳍的 4 与 6根棘之间的薄膜上末梢部地雄性有一个黑色的斑点。
Common on sand or mud bottoms in shallow water. May be solitary or in small schools near crevices or under stones. Lays its eggs under shells where males care for the young; spawning took place from May to July.
常见于沙或泥在浅水区中底部。 可能是独居性或者形成小群鱼群在裂隙附近或在石头下面。 产卵在贝壳下雄性照顾幼鱼的地方; 产卵发生了从五月到七月。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Genital papilla of male heavily pigmented near the base; ending at the anal fin origin. Female genital papilla truncate & ending well before anal spine. Eggs laid under shells or rock surfaces. 西北太平洋: 日本南部，韩国南部与香港。 记录来自澎湖岛了。 (参考文献 55073)
Murdy, E.O. and D.F. Hoese, 1985. Revision of the gobiid fish genus Istigobius. Indo-Pac. Fish. (4):41 p. (Ref. 420)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-1)
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Estimates based on models
Preferred temperature (Ref.
123201): 16.1 - 24.1, mean 20.3 °C (based on 157 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00477 - 0.02194), b=3.01 (2.83 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
