This is an Indo-Pacific fish species that can look very different depending where it is found. Individuals found in the Indian Ocean do not have the striking yellow marking on the fins that individuals in the Pacific have.
  • Size

    9 inches (23 cm)
  • Diet

    Small fishes and benthic invertebrates
  • Range

    Indo-Pacific
  • Habitat

    Hovering over sand patches close to coral reefs

Physical Characteristics

  • Coloration is olive or grayish-brown on upper part of the body; bottom half is pearly-white. Two narrow yellow stripes on the head; black-edged white bar runs from the mouth to the base of the soft dorsal fin.
  • Some geographical variations exist, particularly between individuals from the Indian and Pacific Oceans. Pacific variety has yellow stripes and a yellow dorsal fin; the Indian forms lack the yellow coloration.
  • Juvenile’s coloration is brown with yellow stripes on the upper body.
  • Maximum length of 9 inches (23 cm).

Animal Fact

The two-lined monocle bream can grow to a length of nine inches (23 cm)

Diet / Feeding

  • Diet consists of small fishes and benthic invertebrates.

Range / Habitat

  • Occurs in the Indo-Pacific near the Maldives, Laccadive Islands, Sri Lanka, Andaman Sea, Western Australia, and from the Ryukyu Islands south to Eastern Australia and east to New Caledonia and Fiji.
  • Found hovering over sand patches close to coral reefs at depths to 82 feet (25 m).
  • Juvenile is common inshore, in lagoons or rubble zones

Additional Information

  • Occurs singly or in small aggregations; adult usually appears in pairs near coral reefs.
  • Juvenile resembles several unpalatable sabertooth blennies that possess venomous fangs, providing it with protection from predators. This is called “mimicry” – the similarity in external appearance or behavior of two species of animals, in which at least one derives an advantage from the similarity.
  • Also called the “bridled monocle bream” in Australia and the “two-line spinecheek.”

Sources

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