Blackspot threadfin (Polydactylus sextarius) is a saltwater, brackish species recorded in Hong Kong, Taiwan, Singapore, Malaysia. It is found at depths of 16–73 m. The main season in Hong Kong, Taiwan, Singapore, Malaysia runs all year.
Scientific name: Polydactylus sextarius · Water: Saltwater, Brackish · Season: All year
Size: up to 30 cm
The blackspot threadfin is a polynemid of sandy and muddy bottoms on the continental shelf, and it frequently enters estuaries. It is a protandrous hermaphrodite: a fish starts as a juvenile, becomes a hermaphrodite and then a female. It feeds mainly on small crustaceans, especially shrimps, along with fishes and bottom organisms, and also takes sponges and fish scales. Commonly about 20 cm and up to 30 cm total length. In season all year and a top-priced fish.
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