She is a normal sized female dolphin. Generally has a very friendly personality and is very playful. She has a hidden sadistic side that takes joy in the pain digesting soemone alive causes them. She is quick to get rid of those she dislikes or who really make her angry. She tries to hide the fact that she can eat others. She can eat things much larger than she is.

Playful dolphin

She's a 3 foot tall female floatzel. She is a pokemon.  She is normally pretty laid back. She is flirty and likes to tease. She rarely gets angry. She gets mad at those who steal her food or insult her. She tends to be much more snappish and irritable when hungry. She likes to feel the struggles of those she's eaten and likes taunting them as well. She can swallow others whole.

Flirty floatzel with anger issues

A bully 
Cruel
Malicious 
Fierce 
Has no fear
Sadistic
Arrogant
Thinks himself better than everyone
Constantly Hungry
Gluttonous
Eats others whole