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.

 

 

 

 


 

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.

 

 

 

 


 

Related Stories