The model is executed very nicely, but just seem s a little simplistic. Although, if that is what you were going for, then you did a very nice job... Actually, you did a very nice job regardless. Good work!
Quoting A Plastic Infinity (That is, endless Legos.)
Great job overall! Some underwater fauna may have spruced it up a bit, but I think you really did a good job capturing this scene. :D
P.S. Already using that flexy Bionicle I see. ;D