Fingered Dragonet

The Fingered Dragonet is the largest member of the dragonet family commonly kept in aquariums, reaching an impressive size of nearly 12 inches. This unusual species is named for its distinctive pectoral fins, which feature elongated, finger-like free rays that the fish uses to walk along the substrate in a remarkably deliberate, almost reptilian manner. The body is elongated and slightly flattened, with coloration that varies from mottled browns and tans to reddish hues, providing effective camouflage against sandy and rubble bottoms. The large, ornate dorsal fin of males features intricate patterns and can be raised in dramatic displays.

In the wild, Dactylopus dactylopus inhabits sandy flats, rubble zones, and seagrass beds across the Indo-Pacific, where it uses its finger-like fin rays to probe the substrate for food. It walks methodically across the bottom, pausing to investigate crevices and overturning small pieces of rubble in search of tiny crustaceans. This walking behavior is one of the most fascinating aspects of keeping this species, as it provides a uniquely entertaining and alien-like movement pattern rarely seen in other aquarium fish.

Keeping the Fingered Dragonet is an advanced undertaking due to its specialized feeding requirements. Like other dragonets, it feeds almost exclusively on tiny live copepods, amphipods, and other microfauna. However, its larger size means it requires a substantially greater volume of live food to sustain itself compared to smaller dragonets like the Mandarin. A very well-established aquarium of at least 75 gallons with extensive live rock and a productive refugium is essential. Despite its challenges, the Fingered Dragonet rewards dedicated aquarists with one of the most unique and captivating behavioral displays in the marine hobby.