Moonfishes


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Moonfishes and moony are the common names for the members of the Monodactylidae family. The family members are distinguished by their oval, deep, silvery, and strongly compressed body. Both their anterior soft dorsal-fin rays and anal-fin rays are elongated.

Members of the Monodactylidae are found from West Africa water to Indo-Pacific water. They occur in shoals in estuaries, lagoons, and over shallow coral reefs, in brackish and sea water, sometimes in fresh water.The feed on small fish and invertebrates.

There are only 2 genera and 6 species worldwide. Malaysia is represented by 2 species from a single genus.


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Scientific Name: Monodactylus argenteus  (Linnaeus, 1758)
English Name: Silver Moony, Silver Moonfish
Mandarin Name: 银鳞鲳 (Yín lín chāng)
Local Malay Name: Ikan Bawal Perak, Bebulan, Bawal-bulan Perak
Local Hokkien: Bat Hu
Main Diagnostic Features: Posterior edge of dorsal and anal fins distinctly concave. Caudal fin slightly emarginate.
Size: Maximum total length about 25 cm.