The pajama cardinalfish has distinctive, brightly colored red eyes.
  • Size

    3 inches (7.6 cm)
  • Diet

  • Range

    Western Pacific
  • Habitat

    Lagoons, sheltered bays and reefs

Physical Characteristics

  • White with a yellow head, a broad darker midsection bar, and purple spots on the rear of its body that disappear or fade during the evening.
  • Has distinctive tail fins, and brightly colored red eyes.
  • Maximum length was 3.3 inches (8.5 cm).

Animal Fact

Male pajama cardinalfish are mouth brooders.

Diet / Feeding

  • Diet consists of crustaceans.

Range / Habitat

  • Occurs in the Western Pacific from the Ryukyu Islands to Java and New Guinea. Also appears in areas of Micronesia.
  • Found in lagoons, sheltered bays and reefs at depths of about 3-46 feet (1-14 m).

Reproduction & Growth

  • Male pajama cardinalfish are mouth brooders; they will hold fertilized eggs in their mouth to keep them safe and healthy until they are ready to hatch.

Conservation Status

  • “Not Evaluated” on the IUCN Red List.

Additional Information

  • Forms aggregations among the branches of various corals.
  • Disperses at night to feed close to the bottom.
  • Common home aquarium fish and can be reared in human care.


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