
Echinothuriid Sea Urchin
Echinothuriid Sea Urchin (Tromikosoma panamense) The Tromikosoma panamense sea urchin has been seen at the base of Axial Seamount (2600 meters) and

Echinothuriid Sea Urchin (Tromikosoma panamense) The Tromikosoma panamense sea urchin has been seen at the base of Axial Seamount (2600 meters) and

Unknown Sea Urchin 1 This is easily the most common sea urchin found on Axial. It is often observed hiding among the

Spinophiura Brittle Star (Spinophiura jolliveti) The lava rocks at Axial Seamount are typically covered with many members of the brittle star species

Henricia Sea Star (tentative ID) This species is also fairly common, often seen lounging on the basaltic lavas of Axial. They have
Mediaster Sea Star (likely Mediaster tenellus) This sea star (shown to the left of a brittle star) has been observed on several

Blue Ciliates (Folliculinopsis sp.) These deep blue, single celled protists reside on basalt substrates and are very common surrounding hydrothermal vents along

Sea Spider (Ammothea verenae) Sea Spiders are not Arachnids but belong to Class Pycnogonida: spider-like marine Arthropods. They have four pairs of

Unidentified Crustacean (Lithodidae sp.) A deep-sea crab from the family Lithodidae was seen crawling around the equipment and on the pillow basalts

Squat Lobster (Munidolopsis alvisca) This Crustacean is light tan in color and has six walking legs, and two significantly larger claws. A

Spider Crab (Macroregonia macrochira) Spider Crabs are major predators and scavengers at Axial Seamount. They belong to Order Decapoda, and therefore have