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Image of West Pacific luminous roughy
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West Pacific Luminous Roughy

Aulotrachichthys prosthemius (Jordan & Fowler 1902)

Biology

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Benthopelagic or near crevices and caves (Ref. 58302).
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Recorder
Cristina V. Garilao
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分布

provided by The Fish Database of Taiwan
分布於西北太平洋區,包括台灣、日本及夏威夷等地。臺灣分布於東北部海域。
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臺灣魚類資料庫
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利用

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罕見之魚種,可利用底拖網捕獲,產量少且魚體小,一般皆以下雜魚處理。
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描述

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體側扁,呈橢圓形;腹鰭至尾鰭基底間具發光器。頭中大,具大型的黏液腔,外被以薄膜。吻鈍短。眼大;眼眶下緣及後緣具若干條長短不一的骨脊。口前位,斜裂,上頜骨末端達眼後緣下方,下頜骨略突出,在縫合處具一小突起;上下頜細小,絨毛狀;腭骨具齒。鰓耙細長。鰓蓋骨後緣有一短棘,上方突出處另具一棘,前鰓蓋骨後下緣棘弱。體被小櫛鱗,頭部無鱗;側線約略平直,鱗片較體側其他部份鱗片稍大,其上有一棘凸;腹鰭與臀鰭間之腹中線上具10-15個稜鱗。肛門位於腹鰭間。背鰭單一,無缺刻,硬棘數V-VI ,最末棘最長,軟條數 13-14,皆較硬棘長;臀鰭第一硬棘很小,具III +8-9鰭條;尾鰭深叉,上下葉緣尖形。體灰褐色,口腔及鰓腔黑色。各鰭淡色。以前所記載之准燧鯛(/Paratrachichthys prosthemius(/i)為本種之異名。/
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棲地

provided by The Fish Database of Taiwan
主要棲息於大陸棚區至少90-110公尺深水域的底層魚類,生態尚不太清楚。可能以小蝦及魚類為食。
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Aulotrachichthys prosthemius

provided by wikipedia EN

Aulotrachichthys prosthemius, also known as the West Pacific luminous roughy, is a species of slimehead native to the Northern Pacific from Hawaii to Japan. It can be found at depths ranging from 90 to 198 metres (295 to 650 ft), either in open water or near crevices and caves. It has a maximum length of 6.1 centimetres (2.4 in).[1]

References

  1. ^ Froese, Rainer; Pauly, Daniel (eds.) (2007). "Aulotrachichthys prosthemius" in FishBase. February 2007 version.

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Aulotrachichthys prosthemius: Brief Summary

provided by wikipedia EN

Aulotrachichthys prosthemius, also known as the West Pacific luminous roughy, is a species of slimehead native to the Northern Pacific from Hawaii to Japan. It can be found at depths ranging from 90 to 198 metres (295 to 650 ft), either in open water or near crevices and caves. It has a maximum length of 6.1 centimetres (2.4 in).

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