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Eyelight Fish
One-fin-flashlight-fish-40M0911-13
Information
Range Western and Central Pacific
Scientific Classification
Kingdom Animalia
Phylum Chordata
Class Actinopterygii
Order Beryciformes
Family Anomalopidae
Genus Photoblepharon
Species P. palpebratum

The Eyelight fish (Photoblepharon palpebratum) is a species of flashlight fish. They are active at night, often feeding in large groups, and use the light to signal to other individuals, startle predators, and find small planktonic animals to feed on. Eyelight fish are sometimes seen at night by divers on steep reef faces. Daytime sightings are rare, as eyelight fish usually hide in caves during the day. The most characteristic feature of this small fish is the large light organ under each eye. The blue-green light can be turned on and off using a black membrane like an eyelid. The length of eyelight fish are 5 in (12cm) and have a depth of 23-82 ft (7-25m).

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