• EnglishName: Twotone chromis
  • Local Name : Ehkibadhon nilamehi
  • Size : Common to 5 cm; max. 9 cm
  • Family: POMACENTRIDA
  • EOrder : Perciformes
  • Distinctive Characters: Dorsal fin with 12 spines and 11-12 (usually 12) rays. Anal fin with 2 spines and 12 rays. Pectoral rays 15-17. Body depth 2.0-2.1 in standard length. Upper and lower edges of caudal fin base with two small spines. Suborbital bones scaled, their lower edges smooth. Preopercular margin smooth. Caudal fin forked, the lobe tips with two filamentous rays.
  • Colour: Head and anterior half of body dark brown, becoming abruptly white posteriorly. A black spot at base of pectoral fins.
    Habitat and Biology: Found on reef flats to upper slopes at depths down to at least 30 m. Feeds primarily on plankton.
  • Distribution: Indian Ocean, from the Red Sea to Christmas Island.
  • Remarks: Chromis dimidiata is common in the Maldives. It is often seen in small widely spaced stationary schools hovering 1 m or so above coral formations. Specimens from the Maldives tend to have the pale area extending anteriorly on the dorsal fin, unlike the specimens from further west.
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Biodiversity of Maldives
Biodiversity of Maldives