Barnacles are an entirely marine group of crustaceans with a sessile way of life, attached permanently to a hard substrate, such as rocks, shells, corals, roots etc.
Symbiotic copepod associated with a planktonic invertebrate
O copépode S. angusta vive na cavidade do corpo do tunicado planctônico Thalia democratica, se alimientando dos tecidos do hospedeiro, o que pode causar sua morte.
Barnacles are an entirely marine group of crustaceans with a sessile way of life, attached permanently to a hard substrate, such as rocks, shells, corals, roots etc.