Sharkfin is a humanoid alien that resembles a Great White Shark. He has navy blue skin and gray underbelly. The Omnitrix symbol is located on his chest.
Sharkfin has many abilities similar to Ripjaws and Water Hazard: They are all excellent swimmers and he also has strong jaws just like Ripjaws does. However, unlike Ripjaws or Water Hazard, Sharkfin also has a keen sense of smell. He also intends to be pretty strong.
Sharkfin is also like Rath and Armodrillo: They all aren't very intellegent. Sharkfin has many other weaknesses as well, including that he is clumsier on land. Also, just a mear mention of food will cause him to go on a feeding frenzy.