分类 / 名称
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Teleostei >
Blenniiformes (Blennies) >
Tripterygiidae (Triplefin blennies) > Tripterygiinae
Etymology: Enneapterygius: Greek, ennea = nine times + Greek, pterygion = little fin (Ref. 45335); sericus: Name from Latin 'sericus' meaning 'silk', referring to the shiny whitish body of this species; noun in apposition.
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 5 - 20 m (Ref. 130804), usually 0 - 5 m (Ref. 130804).
分布
领土 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
Western Pacific: Ryukyu Is., Taiwan, Indonesia, Australia and Solomon Is.; probably in the Mariana Is. (Guam) and the Hall Islands.
大小 / 重量 / 年龄
成熟度: Lm ?  range ? - ? cm
Max length : 2.5 cm SL 雄鱼/尚未辨别雌雄; (Ref. 130804)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 15 - 17; 背的软条 (总数) : 9 - 11; 臀棘: 1; 臀鳍软条: 17 - 21. The new species is distinguished by the following set of characters: D1 III, D2 XII-XIV, D3 9-11, with first spine of D1 shorter than that of D2, its length 5.5-10.2% SL (mean 8.2%); pectoral-fin rays ii-v (iv) + 3-6 (4) + iv-viii (vii) = 13-16; A 17–21; scales below first notched lateral-line scale 3 or 3½; pored lateral line scales 15-18; scale rows in longitudinal series 32-37; circumpeduncular scales 8-12; single transverse scale row between posteriormost pored scale and anteriormost notched scale; mandibular-pore formula usually 3 + 1 + 3; orbital tentacle short, slender and pointed, its length shorter than nasal tentacle. Colouration: body generally semi-transparent white with reddish blotches and saddles; bright white blotches aligned along midlateral scale series; the dorsal surface of head with brownish blotches; head, snout and cheek, opercle, pectoral fin base, and base of 8 lowermost pectoral-fin rays black in nuptial males; undersurface of head, including pelvic-fin base, and anterior part of abdomen black, pigment sometimes extending to anus (Ref. 130804).
Cross section: oval.
Occurs usually on exposed shallow rocky reefs in depths less than 5 m, haracteristically on the upper surface of rocks covered by patches of ca. 1-2 mm length algae, whereas other congeners tend to occur on vertical surfaces. Reproductive season at Yaku-shima Island extends from the end of February to April (ca. 18-21 °C), spawning usually taking place in the morning. During the spawning season, males display nuptial coloration, which can alter quickly depending on the situation for as a female approaches the male’s melanophores on head become more obvious, forming a blackish mask on the head and body. Also, the brownish blotches on the dorsal head surface become paler and almost completely fade. During spawning, brownish pigmentation on the nape continues to change, sometimes forming blotches or lines, and becoming dense or pale. When alive, brownish blotches on the dorsal head surface are more distinct in young individuals, but paler in nuptial males and relatively large females (Ref. 130804).
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Dewa, Y., S. Harazaki and H. Motomura, 2024. Enneapterygius sericus, a new species of triplefin (Perciformes: Tripterygiidae) from the western Pacific Ocean. Ichthyol. Res.: [1-13]. [First published online, pp. 1-13, 30 Jan. 2024.] (Ref. 130804)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
渔业: 没有兴趣
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基于模型的估算
系统发育多样性指数 (参考文献
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00617 (0.00290 - 0.01310), b=3.04 (2.86 - 3.22), 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): 3.1 ±0.3 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).
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