Radiant Wrasse
A western Indian Ocean Halichoeres with a sharply two-tone body — bright orange forward, dark purple-black behind, with blue face markings — which is why it also travels under the name Dark Side Wrasse. It sleeps buried in the substrate, so it needs a fine open sand bed of at least 5 cm; it will not settle in a bare-bottom or crushed-coral tank. Newly imported specimens are the hard part: they often refuse prepared food for the first weeks and need live foods and an established rock surface to graze, which is why LiveAquaria rates it expert-only despite it being peaceful and reef-safe once settled. Small ornamental shrimp and tiny snails are not safe with a grown one, and it jumps.
Tankmates
How Radiant Wrasse gets on with the rest of the reef, checked pair by pair by the same engine as the live pre-flight.
Best kept apart
A real clash — aggression, predation or a same-genus fight.
Keep an eye on these
Usually fine, but worth watching in a smaller tank.
Good tankmates
No conflicts — a few popular ones to start with.
