Aquarium Fish

Pineapple Fish

posted: 05/15/12
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Pineapple Fish
Courtesy of Drs. Foster and Smith
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The Pineapple Fish, also called the Pinecone Fish and Knight-fish, is covered with spines, and has a brilliant yellow body. It has what appears to be a glowing smile due to the bioluminescent bacteria which inhabit the light organs found on the sides of the mouth. These symbiotic bacteria are responsible for its glow which is usually green, but occasionally red in older Pineapple Fish.

The Pineapple Fish is easy to care for in a 55 gallon or larger aquarium with abundant caves for retreating from lights, and several peaceful tank mates.

The diet consists of live foods like shrimp and small fish.

There are almost 15,000 species of marine fish. The appearance, nutritional requirements, environmental needs, reproduction, compatibility with other marine creatures, and survival adaptations of these different species vary remarkably. To successfully maintain an aquarium, the aquarist needs to understand all of these aspects of a fish before considering adding the fish to the tank. Understanding these characteristics of a fish before acquiring it, and knowing from where it was obtained, is necessary to provide the conditions in which the fish can thrive.

Fish Facts

Name: Pineapple Fish (Cleidopus gloriamaris)

Family: Monocentridae

Range: Western and Eastern Australia

Size: Up to 8 inches

Diet: Carnivore

Tank Set-up: Marine: Coral or rock, plants

Reef Compatible: Yes

Tank Conditions: 72-78°F; sg 1.020-1.025; pH 8.1-8.4

Minimum Tank Capacity: 55 gallon

Light: Low

Temperament: Peaceful

Swimming Level: Bottom

Care Level: Easy

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