Sea Urchins at Axial

Sea Urchins at Axial

Sea Urchins belong to Class Echinoidea (Phylum Echinodermata).

Unknown Sea Urchin 1

Unknown Sea Urchin 1This is easily the most common sea urchin found on Axial.  It is often observed hiding among the lobed basalt lavas.  Its size is only 10-15 cm in diameter.

 

 

 

 


Spiny Sea Urchin (Tromikosoma panamense?)

Spiny Sea UrchinThis urchin has only been observed on a few occassions and is not common at Axial. This specimen was seen at the base of Axial Seamount.

 

 

 

 


 

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