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Teleostei >
Gobiiformes (Gobies) >
Gobiidae (Gobies) > Gobiinae
Etymology: Exyrias: Derived from Greek, xyreo = to shave (Ref. 45335).
More on author: Smith.
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 1 - 30 m (Ref. 90102). 熱帶; 30°N - 30°S
Indo-West Pacific: East Africa to Samoa, north to Yaeyama Islands, south to Fiji.
印度-西太平洋: 東非到美屬薩摩亞, 北至八重山群島, 南至斐濟。
大小 / 重量 / 年龄
成熟度: Lm ? range ? - ? cm
Max length : 15.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 48637)
背棘 (总数) : 7; 背的软条 (总数) : 10 - 12; 臀棘: 1; 臀鳍软条: 9 - 10; 脊椎骨: 26. Dorsal half of body brown, ventral half yellow, with 7-8 dark brown bars. Small silvery white spots on cheeks and opercula. Predorsal scales 8 or 9. Usually, spines on 1st dorsal fin elongated into filaments with the 3rd and 4th typically longest; spine of 2nd dorsal fin with red and white alternating bands, spots on rays and membrane. Cycloid scales only on nape and isthmus. Cheeks and opercula fully scaled. Teeth small and tightly packed in jaws. Depth of body about 3.6-3.9 in SL (Ref. 90102).
Body shape (shape guide): fusiform / normal; Cross section: oval.
身体上半部褐色 , 半边侧面黄色, 与 7-8 深褐色的横带。 在颊与鳃盖上的小的银白色斑点。 前背的鳞片 8 或 9. 通常，在第一背鳍上的棘用第三与第 4 典型长延长变成丝状突起了; 棘第二背鳍鳍有红色与白色的交互条纹, 在鳍条与薄膜上的斑点。 只有在后颈与峡部上的圆形鳞片。 颊与鳃盖完全覆盖着鳞片。 齿小的而且紧紧地在颚中包装了。
A territorial species that inhabits lagoon and seaward reefs (Ref. 9710, 48637). Found over silty bottoms near or under overhanging corals. Feeds by sifting the sediment through its gill rakers (Ref. 1602).
居住于舄湖与临海礁石的一个具有领域性种.(参考文献 9710,48637) 发现在淤泥底上了接近或在上悬的珊瑚下面。 藉由经过它的鳃耙筛撒沉淀物的吃.(参考文献 1602)
生命周期和交配行为
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
印度-西太平洋: 東非到美屬薩摩亞, 北至八重山群島, 南至斐濟。
Murdy, E.O., 1985. A review of the gobiid fish genera Exyrias and Macrodontogobius, with description of a new species of Exyrias. Indo-Pac. Fish. (10):14 p. (Ref. 403)
世界自然保护联盟红皮书 (Ref. 130435: Version 2025-2 (Global))
人类利用
渔业: 商业性; 水族馆: 商业性
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特别资料
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网络资源
基于模型的估算
首选温度 (参考文献
123201): 26.2 - 29.3, mean 28.6 °C (based on 2723 cells).
系统发育多样性指数 (参考文献
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00724 (0.00396 - 0.01326), b=3.05 (2.89 - 3.21), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
营养阶层 (参考文献
69278): 2.8 ±0.30 se; based on food items.
回复力 (参考文献
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
渔业脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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营养素 (Ref.
124155): Calcium = 88.7 [47.7, 165.5] mg/100g; Iron = 0.717 [0.373, 1.276] mg/100g; Protein = 18.3 [16.3, 20.0] %; Omega3 = 0.134 [0.064, 0.222] g/100g; Selenium = 23.6 [13.5, 44.1] μg/100g; VitaminA = 117 [31, 370] μg/100g; Zinc = 1.84 [1.26, 2.67] mg/100g (wet weight);
