Pycnogonida
Every other invertebrate on Fin, recorded across our dive sites.
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 SpiderPycnogonida spp. |
| Easy to miss |
| – |
| – |
| 4,082 |
| Least concern |
 Atlantic PyrosomesPyrosoma atlanticum | Usually seen | Up to 60 cm | – | 170 | Least concern |
 Horseshoe CrabLimulus polyphemus | Usually seen | Up to 60 cm | – | 135 | Vulnerable |
 Giant SalpPyrostremma spinosum | Easy to miss | – | – | 80 | Least concern |
