Apostichopus californicus

4cm
0-90m
291 sites
Stichopodidae
The Giant California Sea Cucumber (Apostichopus californicus) is a fascinating, if somewhat enigmatic, inhabitant of the Northeast and Eastern Pacific waters. While not a visual spectacle in the way some other marine life is, these invertebrates play an important role in the benthic ecosystem. Divers and snorkellers exploring depths from the shallows down to 90 meters might encounter these creatures, though sightings are rare, as they have not been recorded at any dive sites. Keep an eye out in neritic zones, where they blend seamlessly with the seafloor. Their lack of a diet makes them unusual in the underwater world, but their presence contributes to the delicate balance of the marine environment. While they may not be the most charismatic creature, their unique lifestyle and contribution to the ecosystem make them an interesting find for observant divers.
Giant California Sea Cucumbers are typically elongated and cylindrical, ranging from 4 to 7 cm in length. Their colour tends to be a mottled brown or reddish-brown, providing excellent camouflage against the seafloor. The body surface is often covered in soft, fleshy projections or papillae. Unlike some sea cucumbers, they lack prominent tube feet for locomotion.