This is an English children's song Little Shark.
The lyrics are as follows:
Little shark toot toot toot toot toot toot toot toot toot toot toot toot toot toot toot.
Little shark toot toot toot toot toot toot toot toot toot toot toot toot toot toot toot toot toot toot toot toot toot toot toot.
Little shark toot toot toot toot toot, little shark!
Little shark toot toot toot toot toot toot toot toot toot toot toot!
Mom shark toot toot toot toot, mom shark toot toot toot toot toot.
Mom shark toot toot toot toot toot toot toot toot toot toot toot toot toot toot toot toot.
Mom shark toot toot toot toot, mom shark!
Mom shark toot toot toot toot toot toot toot mama shark!
Dad shark toot toot toot toot toot daddy shark toot toot toot toot toot toot toot toot toot.
Dad, the shark toot toot toot toot toot toot toot toot toot toot toot toot.
Papa shark toot toot toot toot toot, Papa shark!
Daddy shark toot toot toot toot toot daddy shark!
Grandma shark toot toot toot toot, grandma shark toot toot toot toot.
Grandma Shark DuDu DuDu … DuDu, Grandma Shark DuDu DuDu … DuDu.
Grandma shark toot toot toot toot, grandma shark!
Grandma Shark toot toot toot toot toot toot toot toot toot!
Grandpa shark beeps, grandpa shark beeps.
Grandpa shark toot toot toot toot toot toot toot toot toot toot toot toot.
Grandpa shark, grandpa shark!
Grandpa Shark toot toot toot toot toot toot toot toot toot toot toot!