Reef fish
Splendid toadfish
Sanopus splendidus
IUCN status: Endangered
A yellow-finned toadfish first described from Cozumel and frequently associated with the island's reef crevices. Later records extended its known range elsewhere in the Mexican Caribbean and Belize, so it is not strictly endemic to Cozumel.
- Max size
- About 24cm
- Habitat
- Rock and coral crevices on western Caribbean reefs
Best places to dive with Splendid toadfish
rareoccasionalcommonly seenpeak season
Cozumel
| Month | Likelihood |
|---|---|
| January | occasional |
| February | occasional |
| March | occasional |
| April | occasional |
| May | occasional |
| June | occasional |
| July | occasional |
| August | occasional |
| September | occasional |
| October | occasional |
| November | occasional |
| December | occasional |
Resident habitat association, but a concealed animal rather than a dependable sighting on every trip.
Isla Mujeres
| Month | Likelihood |
|---|---|
| January | rare |
| February | rare |
| March | rare |
| April | rare |
| May | rare |
| June | rare |
| July | rare |
| August | rare |
| September | rare |
| October | rare |
| November | rare |
| December | rare |
Possible in suitable habitat; no unsupported peak is applied.
Sources & last checked
Checked September 2026
Research is source-backed, but conditions and fees should still be confirmed locally.
View 2 sources and checking notes
- Range extension of Sanopus splendidus, Revista Ciencias Marinas y Costeras
- Soundscape of Paraiso Reef, Cozumel, Conservation Science and Practice
Note on the data: Usually remains beneath coral or rock cover; hearing or locating a den does not ensure a clear view.