Sweepers


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Sweepers are the members of the Pempheridae family. They are small to medium sized fishes. Their body are compressed and deep. They have short dorsal fin in advance of anal fin, long anal fin base, and large eyes. They are found mainly in tropical and subtropical areas on coral reefs. During the day, they are often found in large schools and at night they disperse to feed on crustaceans and worms.

There are 2 genera and about 79 species worldwide. Malaysia is represented by at least 3 species.


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Scientific Name: Pempheris otaitensis  Cuvier, 1831
English Name: Sweeper, Bullseye
Local Malay Name: Ikan Sepat Laut
Thai Name | ชื่อสามัญภาษาไทย: ปลากระดี่ทะเล (Plā kradī̀ thale)
Main Identification Features: Body generally coppery. Prepelvic area narrow and keeled. Pectoral fins usually with dark base. Dorsal fin with dark leading edge, not expanded to produce dark tips on soft rays. Anal fin pale or lightly pigmented with a dark distal margin.
Size: Maximum standard length about 13 cm.
Habitat and Ecology: Coral and rocky reefs, to 15 m depth. Often found in large schools in caves or beneath ledges on reefs during the day. Disperse at night to feed on zooplankton, crustaceans and polychaete worms.





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