分类 / Names
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Teleostei >
Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobiinae
Etymology: Cerogobius: The genus name Cerogobius is formed from the Greek word keras (Latin = ceros; horn) and the Latin word gobio (small fish or gudgeon), and is in reference to the horn-like tentacle on the head; petrophilus: Name from Latin words 'petra' for rock and 'philus' meaning 'having an affinity for', referring to the rocky habitat where the species was found.
Environment: milieu / climate zone / 深度上下限 / distribution range
生态学
海洋 居于水底的; 深度上下限 5 - 15 m (Ref. 126737).
分布
国家 | FAO区域 | 生态系 | 标本纪录 | 分布图 | 简介 | Faunafri
Western Indian Ocean: Red Sea: northern part, Saudi Arabia and Egypt.
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 1.7 cm SL (female)
简单描述
检索表 | 型态特徵 | 形态测量图
脊椎骨: 27. This species is distinguished by the following characters: unpaired horn-like tentacle at the level of nostrils on the snout midline; snout has a steep profile from lateral view, very short about 0.4-0.5 of eye diameter; orbit is projecting forward and elevated, extending above dorsal profile of the head; posterior angle of the jaws extends behind vertical through posterior edge of eye; lower limb of first gill arch is joined to gill cover by a membrane; caudal peduncle is deep and short, 0.8-0.9 of body depth at anal-fin origin, with caudal-peduncle depth slightly to distinctly greater than its length; segmented caudal-fin rays 17; pelvic fins are completely separated, no frenum; head and body are completely scaleless; head no canals; preorbital rows r, s, s3 each reduced to a single papilla; without suborbital sensory papillae rows a and b; presence of four very short transverse suborbital rows of sensory papillae (1-4), row 1 oblique, reaching upper lip, row 2 distant from eye and close to row d, rows 3 and 4 are close to posteroventral edge of eye and distant from row d, row d is short; oculoscapular rows are reduced to rows x1, x2, z, as1, as2, with only x1 having more than 2 papillae; dorsal-fin pterygiophore insertion pattern 3-22110; vertebrae: 10 precaudal + 17 caudal; hypurals 1-2 and 3-4 are not fused, distinctly separate along entire length; two anal-fin pterygiophores inserted anterior to haemal arch (Ref. 126737).
Cross section: compressed.
Collected on rubble-sand patches at the base of isolated coral blocks near the margin of Al Fahal reef in central Red Sea (near Thuwal, Saudi Arabia). Individulas were found living inside small holes in large pieces of dead coral rock covered with short algae at a depth of 8 m. Two other specimens were collected at a depth of 15 m in May 2017 at the same locality. Also observed in other localities at depths of about 5 m (Ref. 126737).
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Kovačić, M., S.V. Bogorodsky, E.M. Troyer and L. Tornabene, 2019. Cerogobius petrophilus (Perciformes: Gobiidae), a new gobiid genus and species from the Red Sea. Zootaxa 4565(2):171-189. (Ref. 126737)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-1)
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Estimates based on models
Phylogenetic diversity index (参考文献
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00724 (0.00339 - 0.01546), b=3.10 (2.92 - 3.28), 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): 3.0 ±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.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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