Katarina Visser

Do Crystal Jellyfish Sting and Are They Dangerous?

Do Lobsters Have Brains? A Look at Their Nervous System

What Happens to the Oxygen an Eagle Ray Takes In Using Its Gills?

What Do Remora Fish Eat? Their Diet and Unique Feeding Habits

Do Whales Have Lips? A Look at Their Mouth Anatomy

Do Whales Have Fur? A Look at Their Unique Hairs

Do Crabs Have a Penis? How Crab Reproduction Works

Do Giant Squid Eat Whales? The Real Predator-Prey Dynamic

How Many Hearts Do Squids Have? And Why?

When Is the Spawning Season for Fish?

Why Do Sharks Need Salt Water to Survive?

Why Do Little Fish Follow Sharks? The Symbiotic Relationship

Are There Killer Whales in Antarctica?

Are Octopus Sentient? The Scientific Evidence

What Is the Biggest Dolphin in the World?

Why Are Dolphins Important to the Ocean’s Ecosystem?

What Do Sand Dollars Do? How They Move, Eat, and Burrow

Where Do Sharks Go During a Hurricane?

What Do Parasites in Fish Look Like?

What Do Crabs Eat? A Look at Their Diverse Diets