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Image of Ash-colored conger eel
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Ash Colored Conger Eel

Conger cinereus Rüppell 1830

Diagnostic Description

provided by Fishbase
Flanges on upper and lower lips well developed; 2 rows of teeth in jaws, those of outer row larger; closely set and compressed to form cutting edge; 6th infraorbital pore located close behind and slightly above posterior angle of jaw. Dorsal fin begins over middle of appressed pectoral fin (Ref. 11039, refer to key for other characters). Brownish grey, yellow below and on fins, median fins with narrow black edge, black patch on lower rear edge of eye and on pectorals (Ref. 5323); assumes a pattern of broad dark bands at night (see also Ref. 4538, 1602). Body depth at gill opening 17-23 in TL (Ref. 90102).
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Recorder
Cristina V. Garilao
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Morphology

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Dorsal spines (total): 0; Analspines: 0; Vertebrae: 139 - 146
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Cristina V. Garilao
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Trophic Strategy

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Solitary species common on reef flats and seagrass beds of shallow lagoons but ranges to depths of 80 m on outer reef slopes (Ref. 1602). Also found in estuaries (Ref. 5213). Feeds on fish and crustaceans at night, assuming a pattern of broad dark grey bars (Ref. 3921, 11441). This species exhibits a more dynamic and complex predator-prey relationship with sea kraits, its predator. Many conger or moray eels captured by sea kraits are likely to retaliate and bite their predator (considering krait versus prey body size), increasing the risk of injury on the sea krait's end as prey size increases, thus imposing difficulty on actual feeding by sea kraits (Ref. 118210).
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Armi G. Torres
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Biology

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Solitary species common on reef flats and seagrass beds of shallow lagoons but ranges to depths of 80 m on outer reef slopes (Ref. 1602). Also found in estuaries (Ref. 5213). Feeds on fish and crustaceans at night, assuming a pattern of broad dark grey bars (Ref. 11441).
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Importance

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fisheries: commercial; gamefish: yes; aquarium: commercial
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分布

provided by The Fish Database of Taiwan
分布於印度-太平洋海域。臺灣各地沙泥底海域可見。
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臺灣魚類資料庫
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利用

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量多,漁民以底拖網、底延繩釣或籠具捕獲;除當下雜魚製作成魚粉利用、當鯊魚誘餌外,亦有曬成魚乾販賣、海產店料理後販賣…等經濟價值。
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描述

provided by The Fish Database of Taiwan
身體延長,尾部側扁漸細,頭部及身體呈淡褐色,全長為鰓孔位體高及肛門位體高之21.7-24.4及20.7-28.7倍;肛門位於全長中點之前,肛門前長佔全長的33-35 %;尾長延長,其長度約為肛門前長的1.9-2.0倍;尾端柔軟,易彎折,尾部末端鰭條延長;背鰭起點位於胸鰭基部至胸鰭中點的上方;奇鰭具有黑色邊緣,鰭條分節;胸鰭發達,位於體高中點偏下方,胸鰭基部上緣位於眼睛垂直中點之水平線;鰓孔幾乎為垂直線狀,位於身體側邊中點之下方;全長為頭長之7.7-8.0倍,吻端長呈尖扁狀,口裂末端約位於眼睛水平中點至眼睛後緣之下方,上顎略長於下顎,吻長大於眼直徑,吻長為眼直徑之1.8-1.9倍;眼睛大,約占頭長的14%;嘴唇具上、下唇瓣;前鼻孔為短管狀,靠近吻端,後鼻孔為圓形,位於眼睛垂直中點水平線之上方。上眼窩有4個感覺孔,下眼窩有8個感覺孔,前鰓顎有10個感覺孔,顳骨接合處有1個感覺孔;肛門前背鰭鰭條數為60ca.;背鰭前側線孔數7-10,胸鰭前側線孔數6-8,肛門前側線孔數37-42;背鰭前脊椎骨數10,肛門前脊椎骨數38-46,血管閉合處前脊椎骨數92,總脊椎骨數143-144。
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棲地

provided by The Fish Database of Taiwan
棲息於淺海岩礁區及沙泥底海域。獨居性之底棲性魚類,身上有寬的深灰色條紋。常見於礁石區和海草床的潮池中,但其分布的範圍可至80公尺的礁斜坡外,亦分布於河口。在晚上攝食魚類和甲殼類。
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Longfin African conger

provided by wikipedia EN

The longfin African conger (Conger cinereus) or blacklip conger, is an eel of the family Congridae, found in the Indo-Pacific oceans from the Red Sea and East Africa to the Marquesas and Easter islands, north to southern Japan and the Ogasawara Islands, south to northern Australia and Lord Howe Island, at depths down to 80 m. Length is up to 1.3 m.[2]

References

  1. ^ McCosker, J.; Smith, D.G.; Tighe, K. (2019). "Conger cinereus". IUCN Red List of Threatened Species. 2019: e.T199200A2568888. doi:10.2305/IUCN.UK.2019-1.RLTS.T199200A2568888.en. Retrieved 27 December 2021.
  2. ^ Froese, Rainer; Pauly, Daniel (eds.) (2006). "Conger cinereus" in FishBase. May 2006 version.

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Longfin African conger: Brief Summary

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The longfin African conger (Conger cinereus) or blacklip conger, is an eel of the family Congridae, found in the Indo-Pacific oceans from the Red Sea and East Africa to the Marquesas and Easter islands, north to southern Japan and the Ogasawara Islands, south to northern Australia and Lord Howe Island, at depths down to 80 m. Length is up to 1.3 m.

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Description

provided by World Register of Marine Species
This solitary species is most common on reef flats and seagrass beds of shallow lagoons but ranges to depths of 80 m on outer reef slopes (Ref. 1602). Also found in estuaries (Ref. 5213). Feeds on fish and crustaceans at night.

Reference

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

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