Marina (マリーナ,Marīna?) is a submarine virus in Mega Man Battle Network 5. It will always appear with water panels on its side of the field. It moves up and down its column, submerging into the water panels whenever it crosses over them. It also fires bubbles with anchors inside of them that float across diagonally and can hit its target.
Marina is a yellow variant with red eyes.
MarinaEX is a green variant with purple eyes.
Mainer is a pink variant with green eyes.
MainerEX is an orange variant with light blue eyes.