'As seen in the <a href="http://www.j-archive.com/media/2008-12-01_J_21.jpg" target="_blank">photograph</a>, the finless porpoise is so named because it lacks this fin on its back'
a dorsal fin
FUN WITH A PORPOISE: As seen in the photograph, the finless porpoise is so named because it lacks this fin on its back
As seen in the photograph, the finless porpoise is so named because it lacks this fin on its back
As seen in the photograph, the finless porpoise is so named because it lacks this fin on its back
FUN WITH A PORPOISE
a dorsal fin
FUN WITH A PORPOISE