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Apogonidae
Weedy cardinalfish
Foa fo
Three Point Five Centimeters Apogonid Fish of Japanese Waters
Foa fo is a species of cardinalfish of the genus Foa. Its common names include Samoan cardinalfish, weedy cardinalfish, and Samoan fo.
- Class
- Teleosts
- Order
- Cardinalfishes
- Family
- Apogonidae
- Genus
- Foa
- Maximum length
- 3.5 cm
- Water
- Marine
- Body shape
- deep_bodied
- Distribution
- Indo-Pacific: from East Africa and the Red Sea to French Polynesia; north to Japan and south to Australia.
- Conservation status
- LCLeast Concern

