The art is cute and the animations are well done, the dino walking animation looks great.
I found myself only really taking damage when I'd use the spacebar to grow horizontally, it's very fast and easy to hold too long, so I just didn't use it much. Also, I think the game would benefit from being a time trial or having some other incentive to grab food quickly. Right now it seems that you can play very safely and go endlessly only getting the food that has no risk.
Overall though great job!