Golden fairy basslet (Gramma dejongi) is a ray-finned fish of the family Grammatidae. It inhabits marine (saltwater) waters in reef-associated environments. This species can reach a maximum total length of 4.5 cm. It occurs at depths between 5 and 30 metres. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Data Deficient on the IUCN Red List.
Dorsal spines (total): 12; Dorsal soft rays (total): 10; Anal spines: 3; Anal soft rays: 10. Distinct with the following characters: D XII,10; A III,10; pectoral rays 15; upper jaw length 2.25-2.40 in HL; length of pelvic fin 0.91-1.06 in HL; shallow emarginate caudal fin; body golden yellow, except for magenta surrounding pelvic-fin insertion, along ventral isthmus, operculum, and branchiostegal membranes (usually with a separate tiny streak underlining posterior mandible) and rearward along ventral abdomen; pelvic fins are bright purple-magenta with a darker streak along length of second soft-ray; presence of magenta patch covering first 3-4 dorsal-fin spines (not extending onto body) and surrounding an oval black spot about pupil diameter on outer half of first 3 spinous membranes .: elongated.
Behavioural data for Golden fairy basslet is currently being reviewed.
Diet information for Golden fairy basslet is currently being compiled.
Reproduction data for Golden fairy basslet is currently being compiled.
Marine; reef-associated; depth range 5 - 30 m . Tropical
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