分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Gobiiformes (Gobies)
鱸形目 (Gobies) >
Gobiidae (Gobies)
鰕虎魚科 (Gobies) > Gobiinae
Etymology: Exyrias: Derived from Greek, xyreo = to shave (Ref. 45335); akihito: Named for the Emperor of Japan; noun in apposition..
More on authors: Allen & Randall.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 礁區魚類; 深度上下限 10 - 50 m (Ref. 57733). 熱帶
Western Pacific: Yaeyama Is., southern Japan to the Great Barrier Reef, Australia.
西太平洋: 八重山島, 日本南部到澳洲大堡礁。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 11.1 cm SL 雄魚/尚未辨別雌雄; (Ref. 57733)
簡短描述
型態特徵 | 形態測量圖
背棘 (總數): 7; 背的軟條 (總數): 10; 臀棘 1; 臀鰭軟條: 9. Diagnosis: Color generally light bluish grey in life with small yellow to brownish orange spots on the head and body, those on body mostly conjoined to form longitudinal stripes along scale rows; 4 pairs of dark brown spots on lower side of body, followed by a single spot at the caudal-fin base; a few smaller dark brown spots on body, mostly in a row dorsally and one ventrally; dorsal and caudal fins are covered with numerous, relatively large, orangish to yellowish brown spots. Pectoral rays 17; segmented caudal-fin rays 17; branched caudal-fin rays typically 13, rarely 12, 14 or 15; dorsal-fin spines elongate and filamentous, the second one the longest 1.59-2.07 in SL. Longitudinal scale series 28 (28-30).
鑑別: 顏色通常淡的藍灰色的活著時在頭部與身體上有小的黃色到褐橘色的斑點, 那些在身體上大部份結合形成縱向的斑紋沿著鱗片列; 在身體的下側上的四對深褐色的斑點,在尾鰭基底跟隨著一個斑點了; 在身體上的一些比較小的深褐色的斑點, 大部份背面形成一列與一腹地; 背鰭與尾鰭鰭被覆蓋著很多, 相當大的, 橘色的對土黃色斑點。 胸鰭鰭條 17; 分段的尾鰭鰭條 17; 分枝的尾鰭鰭條典型地 13, 很少地 12, 14 或 15; 背鰭棘延長與絲狀的, 第二個最長的 1.59-2.07 分之一標準體長。 縱向的鱗片系列 28.(28-30)
Usually found in clear water in the vicinity of coral reefs, usually on sand or rubble bottoms (Ref. 57733). Solitary (Ref. 90102).
在鄰近珊瑚礁的通常發現於清澈的水域, 通常在沙子或碎石底部上。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
西太平洋: 八重山島, 日本南部到澳洲大堡礁。
Allen, G.R. and J.E. Randall, 2005. Exyrias akihito, a new species of coral-reef goby (Gobiidae) from the Western Pacific. Raffles Bull. Zool. 53(2):231-235. (Ref. 57733)
人類使用
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年龄/大小成長長度-重量長度-長度長度-頻率形態測量圖型態特徵仔魚稚魚動力學入添量豐度BRUVS
參考文獻養殖養殖資訊品種遺傳學Electrophoreses遺傳率疾病加工NutrientsMass conversion
合作者照片Stamps, Coins Misc.聲音神經毒速度泳型鰓區Otoliths腦重體重比眼睛色素
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Estimates based on models
Preferred temperature (Ref.
123201): 25.3 - 28.9, mean 27.7 °C (based on 290 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00477 - 0.02194), b=3.02 (2.84 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
![Image of Exyrias akihito (Akihito\](/images/thumbnails/jpg/tn_Exaki_u0.jpg "Image of Exyrias akihito (Akihito\")