Common name: Dartfish

Pteragogus is a genus of fish in the family Labridae, commonly known as dartfish or wormfish. These small, elongated fish are known for their vibrant colors and distinctive swimming behavior. They are popular in the reef aquarium hobby due to their peaceful nature and compatibility with other reef inhabitants. Pteragogus species often inhabit sandy or rubble substrates in the wild and are known to dart into burrows when frightened. They are omnivorous, feeding on a variety of small invertebrates and zooplankton.