
Radiant wrasse
Halichoeres iridis
It hides at first, then turns into a restless hunter working the rubble.
The Radiant wrasse (Halichoeres iridis) is a tropical marine fish of the family Labridae. It lives on and around reefs, between 6 and 43 m deep. Adults grow to about 10 cm; the largest on record measured 11.5 cm (total length). In the aquarium it needs a tank at least 90 cm long and water at 23–27 °C.
- Size
- 10 cm
- Smallest tank
- 90 cm
- Temperature
- 23–27 °C
- Care
- Demanding
In the aquarium
Temperature23–27 °C
pH7.8–8.5
- Temperament
- Peaceful
- Diet
- Carnivore
- Activity
- Busy
- Water layer
- Bottom
- Group
- Lives on its own
- Coral
- Reef safe
These values are compiled from real species data, and the LumaReef simulation is built to keep them true to life.
Which tank it fits
- Nano60 cm · 65 litresToo small
- Standard90 cm · 180 litres15 of them
- Wide120 cm · 300 litres25 of them
- Living room180 cm · 650 litres54 of them
- Showcase250 cm · 1,200 litres100 of them
- Gallery300 cm · 1,440 litres120 of them
Who it lives with
Gets along88 species
- Flame angelfish
- Coral beauty angelfish
- Potter's angelfish
- Mystery wrasse
- Cleaner wrasse
- Bicolor blenny
- Lyretail anthias
- Blackcap basslet
- Yellowhead jawfish
- Clarkii clownfish
- Pink skunk clownfish
- Rusty angelfish
- Yellow coris wrasse
- Flame wrasse
- Leopard wrasse
- Randall's shrimpgoby
- Canary blenny
- Striped fang blenny
- Dispar anthias
- Neon dottyback
- Valentini puffer
- Bartlett's anthias
- Clownfish
- Tomato clownfish
Caution2 species
Crowding the same layer
Narrow shared temperature range
Not together9 species
In the wild
- Water type
- Marine
- Climate zone
- Tropical
- Habitat
- Coral and rocky reefs
- Largest on record
- 11.5 cmtotal length
- Aquarium trade
- Traded commercially
Depth
surface
6 m43 m
Conservation status
Classification
- OrderLabriformes
- FamilyLabridae
- GenusHalichoeres
- SpeciesHalichoeres iridis
- Described byRandall & Smith, 1982
In other languages
- English
- Rainbow Wrasse
- German
- Gelbkopf-Junker
Quick answers
- Radiant wrasse size: how big does it get?
- Adults reach about 10 cm. The largest on record measured 11.5 cm (total length). Record sizes among the 17 Halichoeres species on LumaReef: 8.8 cm (Claudia's Wrasse) to 27 cm (Checkerboard Wrasse).
- Radiant wrasse tank size: what is the minimum?
- A tank at least 90 cm long. In LumaReef that is the Standard tank or larger.
- Radiant wrasse water parameters: what does it need?
- Temperature 23–27 °C, pH 7.8–8.5. Close to what most Labridae on LumaReef need (23–27 °C).
- Radiant wrasse tank mates: what can it live with?
- It gets along with 88 of the 99 reef species in the catalogue, such as Flame angelfish, Coral beauty angelfish, and Potter's angelfish.
- Radiant wrasse: alone or in a group?
- It can be kept on its own.
- Radiant wrasse and corals: is it reef safe?
- Yes, it leaves corals alone.
- Radiant wrasse depth: how deep does it live?
- In the wild, 6 to 43 m down. Close to most Halichoeres on LumaReef (1–30 m).
Similar species
Sources
Radiant wrasse: compiled from these references.









