The dispar anthias is a sexually dimorphic species. The male is more orange in color with a red dorsal fin, blue pectoral and anal fins and a bright blue edge to the margin. The female ranges from peach to pink in color with darker magenta or purple margins to the fins.
  • Size

    Maximum length of 3.7 inches (9.5 cm)
  • Diet

    Primarily zooplankton
  • Range

    Pacific from Christmas Island to Line Islands, north to the Yaryama Islands and south to the Great Barrier Reef, Figi and Samoa
  • Habitat

    Upper areas of steep outer-reed slopes

Physical Characteristics

  • Coloration differs for males and females (sexual dimorphism).
    • Female ranges from peach to pink into almost orange, with darker magenta or purple margins to the fins.
    • Male is more orange in color, with a distinct red dorsal fin, blue pectoral and anal fins, and a bright blue edge to the margin.
  • Maximum length is 3.7 inches (9.5 cm).

Animal Fact

Individuals are born female and a select few—usually the largest females—become male later in life.

Diet / Feeding

  • Diet consists primarily of zooplankton.

Range / Habitat

  • Occurs in the Pacific from Christmas Island to the Line Islands, north to the Yaeyama Islands and south to the Great Barrier Reef, Fiji and Samoa.
  • Found in upper areas of steep outer-reef slopes in waters with moderate current at depths of 3.2-59 feet (1-18 m).

Reproduction & Growth

  • Broadcast reproduction, wherein male and female gametes are released into the water to fertilize the egg.
  • Protogynous hermaphrodite, meaning individuals are born female and a select few—usually the largest females—become male later in life.

Conservation Status

  • “Least Concern” on the IUCN Red List.

Additional Information

  • School into expansive, often motionless groups.

Sources

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