Pineapplefish (Cleidopus gloriamaris)

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Cleidopus gloriamaris

284 Litres (75 US G.)

20-25 cm (7.9-9.8")


8.2 - 8.4

20 -25 °C (68-77°F)

8-12 °d

1:1 M:F

Other (See article)

5-8 years



Additional names

Pineapplefish, Knightfish, Australian Pineapple Fish, Knight Fish, Luminescent Pineconefish, Pinecone Fish, Pineconefish, Port and Starboard Lightfish, Port and Starboard Light Fish

Additional scientific names

Cleidopus gloriamaris occidentalis

Tank compatibility[edit]

Should not be kept with fish smaller than itself as they may be eaten, and not be kept with aggressive fish. Generally peaceful towards tank mates.


A carnivorous fish that uses its luminescent spots to hunt in the wild, they would attract shrimp and other zooplankton at night. They are difficult fish to feed in captivity and may only take live food.

Feeding regime[edit]

A nocturnal feeder, make sure food is available after lights out.

Environment specifics[edit]

Would require some open swimming space and plenty of hiding places in the form of caves. Tank plants also would be very nesassary


Generally peaceful and will spend most of the day in hiding, or swimming between caves.


This fish has robust scales with black margins, each centre of each scale is raised much like that on a pineapple fruit. It has a single large spine in pelvic fin which can be locked erect. On either side of the lower jaw is a light organ that produces a greenish glow. The colour of the light is reported to change to red as the fish ages. Similar to the Japanese Pineapplefish, Monocentrus japonicus, they are differentiated by this Pineapplefish's more rounded snout.


External links[edit]