Mandarinfish

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This article is about the saltwater aquarium fish also known as the mandarin goby. For the carnivorous freshwater fish also known as the Chinese perch, see mandarin fish.

Mandarinfish

Scientific classification

Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Perciformes
Family:	Callionymidae
Genus:	Synchiropus
Species:	S. splendidus

Binomial name

Synchiropus splendidus
Herre, 1927

The mandarinfish or mandarin dragonet, Synchiropus splendidus (syn. Pterosynchiropus splendidus), is a small, brightly-colored member of the dragonet family, popular in the saltwater aquarium trade. The mandarinfish is native to the Western Pacific, ranging approximately from the Ryukyu Islands south to Australia. It is also somewhat misleadingly known as the mandarin goby, due to its resemblance to blennies and gobies. Other trade names include "green mandarinfish", "striped mandarinfish", or "psychedelic fish". The name psychedelic mandarin is also used for a closely related species, the picturesque dragonet, Synchiropus picturatus.

Mandarinfish are reef dwellers, preferring sheltered lagoons and inshore reefs. While they are slow-moving and fairly common within their range, they are not easily seen due to their bottom-feeding habit and their small size (reaching only about 6 cm). They feed primarily on small crustaceans and other invertebrates. The name of the mandarinfish comes from its extremely vivid coloration, evoking the robes of an Imperial Chinese mandarin.

Despite their popularity in the aquarium trade, mandarinfish are considered difficult to keep, as their feeding habits are very specific. Some fish never adapt to aquarium life, refusing to eat anything but live amphipods and copepods (as in the wild), though individuals that do acclimatize to aquarium food are considered to be quite hardy and highly resistant to diseases such as ich. They can not contract the disease Ichthyophthirius because they do not have the skin type that this common aquarium disease affects.

The similarly named mandarin fish, Siniperca chuatsi, properly known as the Chinese perch, is only distantly related.