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Commonly Asked Questions

Appears in Georgia Aquarium's:
  • Southeast Asian Fishes (River Scout)

Range / Habitat

  • Occurs in freshwater habitats of Malaysia, Singapore, Indonesia and Thailand.
  • Found in still water- often low swamps, marshlands and rice fields, as well as ditches and small pools. 

Physical Characteristics

  • Crescent betta is a small, slender fish with a pointed head. The mouth is terminal. 
  • Body coloration ranges from silvery-tan to blue or brown; the fins are wide and fan-like. The caudal fin displays a red crescent along the trailing edge, and may be streaked with blue.
  • The pectoral fins come to a significant downward point, and are usually red, tipped with white. 
  • Crescent betta can grow to 2.3 inches (6 cm) in length.

Diet / Feeding

  • Diet consists of insect larvae and other small invertebrates.

Reproduction / Growth

  • Crescent betta is a bubble nest building species. The male constructs a nest to protect eggs after spawning.

Conservation Status

  • “Least Concern” on the IUCN Red List. 

Additional Information

  • Popular in home aquariums.
  • Crescent betta is sensitive to pollution and habitat degradation resulting from agriculture.