Great game! Long review for you!
A few suggestions:
One, like all fish eat fish games out there, you eat little fish, avoid big fish. But wouldn't it be awesome if you had to compete with the bigger fish for the little fish? I think you shouldn't be the only one eating/being eaten.
Eat, grow, eat, grow. This is a traditional and kinda boring feature that you did without. Kudos. But, I do think that growing is a good idea. Just make it maybe on a time scale rather than eat-grow. Every five minutes or so you grow a little bit.
Different water depths. I think there should be a shore or something. Make the habitat like a lake with shore lines on either side of the map. That way if your being chased by a fish, you can lose it in shallow water. Also, I think that it would be cool if there were under water rock formations.
Also, maybe bigger fish should be a tad bit faster than you (maybe 3-7 percent faster). That way, you can't just swim away. You'd have to out manuever or run to the shore line. Or maybe (if you take my other suggestion into effect) lead it to another, easier to get fish and lose it that way.
Ok, now that my suggestions are given, lets talk about the compliments ^_^
I LOVE that you can jump out of the water and eat birdy fishy things.
I love that its a multi dircetional thing rather than just left and right.
I love how smooth the gameplay is.
I love how nice the graphis are. Simple but not cheap. Great for games like this.
And now, my least fovorit part of a review, The cons.
Theres a bug that if you play again but don't sumbit your score, you have a little line that blinks telling you where your typing will appear.
When you submit your score, being able to only put in four charactes kinda sucks. The average name length is 6 characters, and unless your a Jr/Sr, your usually not gonna have four initials.
Umm... can't really find anything else to complain about... Thats a good sign.
Well... I think thats the longest review I've ever written... I hope to see for from you. It would be nice if you sent a pm my way when you did ^_^.
Good luck in the future.