Head to head
Anthias vs Lyretail Anthias
The lyretail anthias is a single, especially familiar species within the much larger anthias genus, and comparing the two shows how a trait shared across the whole group, such as harem-based social life and sex change, plays out in one species with its own distinctive look.
| Anthias | Lyretail Anthias | |
|---|---|---|
| Scientific name | Pseudanthias (genus) | Pseudanthias squamipinnis |
| Scope | A whole genus of reef fish | One specific, widely recognised species |
| Social structure | Harem groups led by a single dominant male | Harem groups led by a single dominant male |
| Sex change | Females can change into males | Begins life as female, with males developing later |
| Signature feature | Large schools hovering over reef drop-offs | A deeply forked, lyre-shaped tail fin |
| Colouring | Varies widely by species | Peach-orange females, more vivid purplish males |
| Native range | Indo-Pacific | Indo-Pacific |
| Conservation status | Least Concern | Least Concern |
Anthias vs Lyretail Anthias: common questions
Is the lyretail anthias the same thing as an anthias generally?
The lyretail anthias is one specific species within the much larger anthias genus, Pseudanthias, which includes many species found across Indo-Pacific reefs.
How can you recognise a lyretail anthias among other anthias?
By its deeply forked, lyre-shaped tail fin, and by the colour split between peach-orange females and more vivid, often purplish males that carry an elongated third dorsal fin ray.
Do all anthias change sex the way the lyretail anthias does?
Anthias in general begin life as female with the ability to change into a male later, most often when a group's dominant male is lost, and the lyretail anthias follows the same pattern.