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Ryukyu Gurnard

Pterygotrigla ryukyuensis Matsubara & Hiyama 1932

Diagnostic Description

provided by Fishbase
This species is distinguished by having the following characters: absence of scales on the nape, prepectoral area, breast, or interpelvic area; long and strong cleithral spine (16-29 % SL), P1 12+3; a slight indication of possible hyperostosis of the first infraorbital bone and cleithral spine (Ref. 91768).
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Recorder
Christine Marie V. Casal
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Morphology

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Dorsal spines (total): 7 - 9; Dorsal soft rays (total): 11 - 12; Analsoft rays: 11 - 12
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Christine Marie V. Casal
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Biology

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A rare (Ref. 9771), benthic (Ref. 75154) species that inhabits continental shelves and insular areas.
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Recorder
Susan M. Luna
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分布

provided by The Fish Database of Taiwan
分布於印度-西太平洋區,由琉球群島到南中國海 、印尼、澳洲西北部與阿拉弗拉海。臺灣分布於北部海域。
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臺灣魚類資料庫
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臺灣魚類資料庫

利用

provided by The Fish Database of Taiwan
一般以拖網漁船捕獲較多,一般多煮湯,或是油炸使骨酥脆後食用;或充作下雜魚、魚粉等用途。
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臺灣魚類資料庫
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臺灣魚類資料庫

描述

provided by The Fish Database of Taiwan
體延長,稍側扁。頭背面及側面全被骨板。吻突為一大形三角棘,略寬而尖,些微向內側延伸,內側平滑,外側粗糙。肩胛棘和後頸棘非常長且堅硬,幾乎為眼徑的1.5倍;鰓蓋棘和前鰓蓋棘背緣短但堅硬;眼眶前後皆無棘;後頭部的凹槽也不明顯。第二背鰭的基底沒有骨板。體鱗很小,除了頸部及胸部裸鱗外,其餘各部被圓鱗。體紅色,胸鰭內側有暗斑塊外,其餘各部無任何斑點。
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臺灣魚類資料庫
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臺灣魚類資料庫

棲地

provided by The Fish Database of Taiwan
主要棲息於砂泥底水域。
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臺灣魚類資料庫
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臺灣魚類資料庫