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Grey Moray Eel (Gymnothorax nubilus) - Wiki
| 제목: | Grey Moray Eel (Gymnothorax nubilus) - Wiki
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촬영일: 2006:09:10 13:23:44
등록시간: 2007:09:07 14:59:27
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Grey moray
From Wikipedia, the free encyclopedia
[Photo] Grey Moray (Gymnothorax nubilus). Photo by Graham Bould
The grey moray, Gymnothorax nubilus, is a moray eel of the genus Gymnothorax, found around the offshore islands off Northland and the Bay of Plenty on the North Island of New Zealand at depths down to 50 m, in reef areas of broken rock. Their length is between 40 and 100 cm.
The grey moray is an elongate scaleless fish with a large mouth full of prominent backward facing teeth, hinged so that they can fold back but lock when prey tries to struggle free. The dorsal fin is high and fleshy with a blue tinge along the edge. Its body colour is pale grey with faint darker markings.
The grey moray lives in rocky reef areas around offshore islands, spending most of its time with its head emerging from its cave or crevice, mouth agape. The open-mouthed stance is not aggression - morays need to continuously draw water through their small gills. They are active mostly at night but move about during the day more than yellow morays, often being seen entwined in kelp fronds. Their diet is made up of crabs, sea urchins, and small fish such as blennies and scorpionfish.
When hooked morays fight energetically even tying themselves in knots and it is often impossible to remove the hook.
http://en.wikipedia.org/wiki/Grey_moray
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