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Flashlight Fish
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Product Code: RNC-01410 Available To Order
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Flashlight Fish

Photoblepharon palpebratus
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Flashlight Fish also known as the Eyelight Fish, Lantern Fish or Onefin Flashlight Fish are found from the Philippines to the Society Islands, south to New Caledonia.

Livestock arrives in and out of stock very regularly, depending upon availability of the item from the source. The more rare and expensive items are often difficult to hold in stock, and can take time to source, so we generally require a deposit to locate and purchase the extremely rare items
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The Flashlight Fish is recognized by having a black body with a blue hue to its dorsal and caudal fins. It has what appears to be a glowing smile due to the bioluminescent bacteria that inhabit the light organs found just below each eye.

These symbiotic bacteria are responsible for its glow, which is usually white but occasionally blue or yellow depending on the mood of the fish. These fish have an amazing ability to rotate the light organ within its socket in order to turn the light on and off. The light organ is used in several ways. The most common use is to communicate among themselves by increasing the frequency of the blink. Another use is in the form of defense, turning the light on, and then quickly off while darting away from a predator. The last use for their light is to attract food in the form of plankton as these tiny crustaceans are normally attracted to light.

Flashlight Fish make an unforgettable display in the aquarium. One interesting fact about this species is that in certain locales around the world, skippers follow schools of Flashlight Fish in order to safely navigate through reef passes at night.

This nocturnal fish is well suited for the specialized aquarium that contains other nocturnal fish such as similar sized Pinecone fish, Squirrelfish, Big Eyes and Cardinalfish. A low light tank or a tank with numerous hiding places is ideal. A small group of these fish work best, as they usually will adjust more quickly and take food easier when they are maintained together. Rarely aggressive among themselves or to other fish in the aquarium, this species fares best with very passive tank mates.

The Flashlight Fish should be fed a diet of live Brineshrimp, Mysis and Feeder shrimp.

These fish are extremely sensitive to copper sulfate and should never be exposed to this medication.

Minimum Aquarium Size

500 L

Max Size

12 cm

Reef Safe

With caution








Western Pacific


Wild Caught



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