dcsimg

Diagnostic Description

provided by Fishbase
This species is distinguished by the following characters: body oblong, greatest body depth of adults about 2.2 in SL; head profile strongly convex in front of eye, the snout sloping steeply; eye large 2.7 (juveniles) to 3.8 (adults) in HL; inner surface of the pectoral fin base is densely scaled; pectoral rays usually 14; caudal fin forked with pointed tips; lateral line scales 44-47; scale rows above lateral line (to base of middle dorsal spines) 5, below (to origin of anal fin) 13.5; side of jaw with row of 5-7 molariform teeth. Color of adult silvery grey with narrow dark scale margins, lips yellowish, a large black blotch covering pectoral fin axil, quick to assume pattern of 4 broad, blackish bars on body, the pale interspaces covering 3-4 scale rows; juveniles with black bar through eye, body with 3 dark brown to blackish bars with the 2 posterior bars extending onto the dorsal fin, and each lobe of caudal fin with an orange band (Ref. 2295, 90102).
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Recorder
Rodolfo B. Reyes
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Morphology

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Dorsal spines (total): 10; Dorsal soft rays (total): 10; Analspines: 3; Analsoft rays: 9
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Rodolfo B. Reyes
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Trophic Strategy

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Found in sand and rubble areas near coral reefs. Solitary but aggregations of around 50 individuals frequently encountered (Ref. 2295). Associated with seagrass (Ref. 118046). A nocturnal feeder (Ref. 9710). Feeds mainly on gastropods, ophiuroids, and echinoids. Pagurids and brachyuran crabs, polychaetes, tunicates, and holothurians are consumed in lesser quantities.
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Susan M. Luna
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Biology

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Found in sand and rubble areas near coral reefs. Solitary fish are often encountered, but large adults usually form aggregations of up to about 50 individuals (Ref. 9710). Solitary or in groups (Ref. 90102). Benthopelagic (Ref. 58302). Nocturnal feeders (Ref. 9710). Feed mainly on gastropods, ophiuroids, and echinoids. Pagurids and brachyuran crabs, polychaetes, tunicates, and holothurians are consumed in lesser quantities. Caught mainly with gillnets, traps, spears, and handlines (Ref. 2295). Marketed fresh (Ref. 9775). Ciguatoxic in Marshall Is. (Ref. 171).
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Susan M. Luna
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Importance

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fisheries: commercial; gamefish: yes; aquarium: commercial
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Susan M. Luna
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分布

provided by The Fish Database of Taiwan
分布於印度-太平洋區,西起東非、紅海,東至東大洋泌卜,北至日本南部及夏威夷,南至澳洲。台灣分布於四週沿海海域。
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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
一般利用陷阱法或底拖網捕獲,全年都可以捕獲。肉質尚可,用糖醋、碳烤或者是煮味噌湯,都是料理的好方法。有報導因為食物鏈之故,發生體內累積熱帶魚毒,而引起食用者食物中毒的記錄。
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描述

provided by The Fish Database of Taiwan
體略延長而呈橢圓形;眼前之頭背部隆起。吻略鈍圓。眼大,近於頭背部。口端位;兩頜具絨毛狀細齒及圓錐狀齒;上頜骨上緣平滑。頰部具鱗;胸鰭基部內側具鱗;側線鱗數46-48;側線上鱗列數5.5。背鰭單一,不具深刻,具硬棘X,軟條10;臀鰭硬棘III,軟條9;胸鰭軟條14;尾鰭分叉,兩葉先端尖型。體褐色而帶銀色光澤;唇部橘黃色,胸鰭除黑色之基部外為紅色。背鰭及臀鰭基部黑色。幼魚體側有三條寬黑色橫帶,尾鰭上下緣均黑色。
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棲地

provided by The Fish Database of Taiwan
主要棲息於軟深的岩礁區或珊瑚礁外緣砂泥地,幼魚一般活動於沿岸,主要分布的深度在1-100公尺。肉食性,以礁區的小魚或無脊椎動物為食。
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Monotaxis grandoculis

provided by wikipedia EN

Monotaxis grandoculis, the humpnose big-eye bream, bigeye barenose, bigeye bream, or bigeye emperor, is a species of emperor fish native to the Indian Ocean and the West and Central Pacific Ocean to the Hawaiian Islands.[1][2] It inhabits areas with sand or rubble substrates adjacent to coral reefs at depths of from 1 to 100 metres (3.3 to 328.1 ft), mostly between 5 and 30 metres (16 and 98 ft). This species can reach a length of 60 centimetres (24 in) TL though most do not exceed 40 centimetres (16 in). It has been recorded to reach a weight of 6.71 kilograms (14.8 lb). This species is commercially important as a food fish and is also popular as a game fish. It can also be found in the aquarium trade.

References

  1. ^ a b Carpenter, K.E.; Lawrence, A.; Myers, R. (2016). "Monotaxis grandoculis". IUCN Red List of Threatened Species. 2016: e.T16720607A16722460. doi:10.2305/IUCN.UK.2016-3.RLTS.T16720607A16722460.en. Retrieved 20 November 2021.
  2. ^ Froese, Rainer; Pauly, Daniel (eds.) (2020). "Monotaxis grandoculis" in FishBase. April 2020 version.
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Monotaxis grandoculis: Brief Summary

provided by wikipedia EN

Monotaxis grandoculis, the humpnose big-eye bream, bigeye barenose, bigeye bream, or bigeye emperor, is a species of emperor fish native to the Indian Ocean and the West and Central Pacific Ocean to the Hawaiian Islands. It inhabits areas with sand or rubble substrates adjacent to coral reefs at depths of from 1 to 100 metres (3.3 to 328.1 ft), mostly between 5 and 30 metres (16 and 98 ft). This species can reach a length of 60 centimetres (24 in) TL though most do not exceed 40 centimetres (16 in). It has been recorded to reach a weight of 6.71 kilograms (14.8 lb). This species is commercially important as a food fish and is also popular as a game fish. It can also be found in the aquarium trade.

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Description

provided by World Register of Marine Species
Generally found in the vicinity of coral reefs, often on the sandy periphery of individual reef complexes or on sand and rubble areas. Solitary fish are often encountered, but large adults usually form aggregations of up to about 50 individuals. Feeds mainly on gastropods, ophiuroids, and echinoids. Pagurids and brachyuran crabs, polychaetes, tunicates, and holothurians are consumed in lesser quantities. Marketed fresh (Ref. 9775).

Reference

Froese, R. & D. Pauly (Editors). (2023). FishBase. World Wide Web electronic publication. version (02/2023).

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