Twospot Lionfish (Dendrochirus biocellatus) Care Guide
Dendrochirus biocellatus is the smallest dwarf lionfish, reaching about 13 cm. It has two ocelli on the dorsal fin and is cryptic and nocturnal.
Overview
Dendrochirus biocellatus, the twospot or Fu Manchu lionfish, belongs to the family Scorpaenidae. FishBase records a maximum of 13 cm total length, making it the smallest of the dwarf lionfishes. It is reddish-brown and carries a pair of distinct eye-like ocelli on the soft-rayed dorsal fin.
Taxonomy
- Family: Scorpaenidae
- Genus: Dendrochirus
- Scientific name: Dendrochirus biocellatus
- Common synonyms: Nemapterois biocellatus Fowler, 1938, used by FishBase
Habitat
FishBase reports an Indo-Pacific range from Mauritius, Reunion, the Maldives and Sri Lanka to the Society Islands, north to southern Japan and south to Scott Reef. It inhabits clear, coral-rich reefs at depths of about 1 to 40 m, hiding in caves, ledges and sponges by day and emerging at night to feed.
Tank requirements
- Minimum tank volume: 250 L (66 gal)
- Temperature: 24-26 °C (75-79 °F)
- pH: 8.1-8.4
- GH: 8-12 °dGH
- Lifespan: 8-18 years
Diet
Dendrochirus biocellatus is a carnivore. FishBase and Wikipedia report it feeds on small fishes and crustaceans, stalking prey along the substrate before a rapid lunge.
Compatibility
The species is secretive and nocturnal. The verified record advises against small fish, ornamental shrimp and aggressive triggers, pairing it with large, robust tankmates.
Venom
The fin spines are venomous and can deliver a painful sting; handling requires caution.
Conservation status
IUCN Red List: Least Concern (assessed 2015).