🐳

spouting whale

Unicode: U+1F433

🐋

whale

Unicode: U+1F40B

🐬

dolphin

Unicode: U+1F42C

🐟

fish

Unicode: U+1F41F

🐠

tropical fish

Unicode: U+1F420

🐡

blowfish

Unicode: U+1F421

🦈

shark

Unicode: U+1F988

🐙

octopus

Unicode: U+1F419

🐚

spiral shell

Unicode: U+1F41A