Baby shark, do-do-do-do-do-do. Had a nursery, do-do-do-do-do. In prehistoric times, do-do-do-do-do.

FISH
With the aquarium closed to the public, the eels have started to be uncharacteristically bashful around humans.
After thousands of 'penis fish,' or fat innkeeper worms, washed up on the shores of California, one aquarium decided to give people an up-close-and-personal look at the phallic annelid via livestream.
'Urechis caupo' bears a striking resemblance to a specific part of male human anatomy, but the species is usually hidden underground. Something brought them to the surface.
The newly identified species of eel, 'Electrophorus voltai,' can deliver 860 volts to incapacitate prey.
The Golden Arches used to serve peanut butter sandwiches and chili instead of Chicken McNuggets and McRibs.
The salmon-loaded cannon has taken the internet by storm, but its purpose goes far beyond being a viral amusement.
August's full moon is called a sturgeon moon. Here's what you need to know to make the most of the celestial event on August 15.
The fishing nets, which contribute greatly to ocean plastic waste, are living a new, eco-friendly life.
The durable little killifish egg can travel along the swan's digestive tract and later hatch, which might explain how some fish wind up in isolated freshwater locations.
He’s dealt with elaborate booby traps, KGB agents, and a face-melting artifact, but to Indiana Jones, nothing’s more unsettling than snakes. Lots of people can relate.
The Feast of the Seven Fishes, or 'Festa dei Sette Pesci,' is a delectable blend of the sacred and secular, the old world and the new.
It isn't just there to make your food look pretty.
Goldfish appeal to pet owners around the world.