Common name: Yellowtail Pygmy Goby

General information

The Yellowtail Pygmy Goby, scientifically known as Trimma flavicaudatum, is a small and colorful marine fish that is a favorite among nano-reef enthusiasts. This species is known for its vibrant yellow tail, which contrasts beautifully with its predominantly red body adorned with blue and white markings. Despite its small size, this goby is full of personality and can be a lively addition to a well-established aquarium.

Care

Trimma flavicaudatum is a hardy species that thrives in a stable, mature aquarium with plenty of live rock for hiding and foraging. They are peaceful fish that do well in small groups or pairs, provided the aquarium has enough space and hiding spots for each individual. A varied diet of small, meaty foods such as copepods, brine shrimp, and finely chopped seafood will help maintain their health and coloration.

Reproduction

Like many gobies, the Yellowtail Pygmy Goby is an egg-laying species. They often spawn in small caves or under overhangs within the live rock. The male typically guards the eggs until they hatch. Breeding them in captivity can be challenging due to their small size and the specific requirements of the larvae.

Habitat

Trimma flavicaudatum is found in the Western Pacific, from the Philippines to northern Australia. They inhabit coral reefs and rubble slopes, usually at depths ranging from 5 to 40 meters. In the aquarium, they appreciate a similar environment with plenty of live rock and a sandy substrate.