Head to head
Royal Gramma vs Fairy Wrasse
Royal Gramma
VS Fairy Wrasse
The royal gramma and fairy wrasse are both small, vividly coloured reef fish popular with aquarium keepers, but they come from opposite ends of the world and live very different social and sheltering lives.
| Royal Gramma | Fairy Wrasse | |
|---|---|---|
| Scientific name | Gramma loreto | Cirrhilabrus (genus) |
| Colouring | Violet-purple front half, bright yellow rear half, black eye stripe | Vivid colours that vary by species |
| Shelter | Reef caves and crevices | Open reef habitat |
| Swimming posture | Often swims upside down against cave ceilings | Not a documented trait |
| Social structure | Territorial over its shelter, generally peaceful otherwise | Harem groups led by a single dominant male |
| Sex change | Not documented | Begins life as female, with males developing later |
| Native range | Caribbean | Indo-Pacific |
| Conservation status | Least Concern | Least Concern as a group |
Royal Gramma vs Fairy Wrasse: common questions
Why does the royal gramma swim upside down?
It frequently orients itself to the nearest surface rather than always staying upright, which often means swimming inverted against the ceiling of the cave or crevice it shelters within.
Do the royal gramma and fairy wrasse live in the same part of the world?
No, the royal gramma is native to Caribbean reefs, while the fairy wrasse is native to Indo-Pacific reefs.
Which is more social, the royal gramma or the fairy wrasse?
The fairy wrasse, which lives in harem groups led by a single dominant male, while the royal gramma is territorial over its shelter site but generally peaceful with other reef species.