Every sea urchin on Fin, recorded across our dive sites.
Echinoidea
Diadema setosum
Strongylocentrotidae
Heterocentrotus mamillatus
Toxopneustes pileolus
Astropyga radiata
Asthenosoma varium
Every member ranked by how many dive sites hold them, with the traits a diver cares about.
| Species | Diver appeal | Findability | Size | Depth | Sites | Status |
|---|---|---|---|---|---|---|
 Sea UrchinEchinoidea |
| Easy to spot |
| – |
| – |
| 13,447 |
| Least concern |
| Long-spined Sea UrchinDiadema setosum | Usually seen | – | – | 2,774 | Least concern |
 Red Sea UrchinStrongylocentrotidae | Easy to spot | – | – | 1,070 | Least concern |
| Slate Pencil UrchinHeterocentrotus mamillatus | Usually seen | – | – | 511 | Least concern |
| Flower UrchinToxopneustes pileolus | Usually seen | – | – | 383 | Least concern |
| Blue-spotted UrchinAstropyga radiata | Usually seen | – | – | 222 | Least concern |
| Fire UrchinAsthenosoma varium | Usually seen | – | – | 200 | Least concern |