The Red Mandarin (Synchiropus cf. splendidus) is a color variant of the Mandarinfish, also known as the Mandarin Dragonet. It displays a predominantly red coloration instead of the typical green and blue pattern.

Distribution and Habitat

The Red Mandarin is native to the Pacific, ranging from the Ryukyu Islands south to Australia. It prefers sheltered lagoons and inshore reefs with abundant coral growth.

Physical Description

The Red Mandarin reaches about 6 cm (2.4 in) in length. It displays a predominantly red to orange-red coloration with intricate patterns, making it a highly sought-after variant of the mandarinfish. Like the standard mandarinfish it has vivid coloration from cellular pigments.

Diet and Feeding

The Red Mandarin has a mixed diet consisting of harpacticoid copepods, polychaete worms, small gastropods, amphipods, fish eggs, and ostracods. In captivity it requires a well-established tank with abundant copepod populations or frequent feedings of live foods.

Behavior and Reproduction

The Red Mandarin is peaceful and bottom-dwelling. It is harmless to other species. This species has been bred in captivity.

Aquarium Care

It requires a tank of at least 30 gallons with abundant live rock and a well-established copepod population. It is considered reef-safe. It can be difficult to feed in captivity and may require live foods.

Conservation Status

Classified as Least Concern by the IUCN Red List.