Sharks, skates and catfish also have tooth-like structures called denticles that make their skin feel like sandpaper. When Haridy studied the tissues of her catfish, she saw that the denticles were ...

Keeping fish can be a great alternative to furry pets. Exotic fish add beauty to any home. The Betta fish, also called ...

I didn’t think I’d catch this many fish! The conditions were perfect, and I ended up collecting some amazing tropical species for my shop. Come along for the full experience—mud, splashes, surprises, ...