Luminous cardinalfish

Rhabdamia gracilis

Max length : 7.4 cm. Dorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 2; Anal soft rays: 12 - 13. This species is distinguished by the following characters: bluish longitudinal stripe on the middle of the body; translucent white or pink, silvery on head and abdomen; caudal peduncle sometimes with a posteriorly placed black spot; characterized further by one or both caudal fin lobes having black tip; greatest depth of body 3.3-3.6 in.
Luminous Cardinalfish (Rhabdamia gracilis) Pantai Parigi, Lembeh. Geotagged,Indonesia,Luminous cardinalfish,Rhabdamia gracilis,Spring

Distribution

Indo-West Pacific: East Africa to the Marshall Islands and New Guinea, north to Japan (Ref. 559), south to northern Australia, including the Arafura Sea
Luminous cardinalfish - Rhabdamia gracilis  Fall,Geotagged,Indonesia,Luminous cardinalfish,Rhabdamia gracilis

Habitat

Inhabits lagoon and coastal reefs, among coral and rocks. Lives sympatrically with A. notatus. Forms large schools. Feeds during the day in currents above reefs as well as at night.

References:

Some text fragments are auto parsed from Wikipedia.

https://www.fishbase.de/summary/5747
Taxonomy
KingdomAnimalia
DivisionChordata
ClassActinopterygii
OrderKurtiformes
FamilyApogonidae
GenusRhabdamia
SpeciesRhabdamia gracilis
Photographed in
Indonesia
Malaysia