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Commonly Asked Questions

  • Peterson Preserve (Aquanaut Adventure: A Discovery Zone)

Range / Habitat

  • Occurs in the Indian Ocean near the coasts of India, Thailand, Malaysia, Myanmar, the Philippines and parts of northern Indonesia.
  • Found in marine and brackish waters, typically in mangrove swamps near the water’s edge on and around mudflats.
 

Physical Characteristics

  • Coloration is silver with black spots or grey with white spots along the body and bright orange, white, brown and yellow colored fins.
  • Has protruding eyes set near top of head, an elongated body and spiny dorsal fins.
    Sexually dimorphic species: males have extended first spine of first dorsal fin.
  • Up to 3.9 inches (10 cm) in length.
  • Can breathe air:
    • Closes gill flaps upon leaving the water and fills chamber behind gills with oxygen and water for respiration on land.
    • Can roll its eyes to replenish oxygen.
    • May also breathe air through membranes in throat and mouth.
 

Diet / Feeding

  • Diet consists primarily of invertebrates including small crabs and insects.

Reproduction / Growth

  • Researchers believe mating and broodcare occur in deep holes dug by males.

Conservation Status

  • “Not evaluated” on the IUCN Red List.

Sources

www.fishbase.org
www.seriouslyfish.com/species/periophthalmus-novemradiatus/