Fish mucus has a range of functions, including protecting fish from infection and reducing water movement through the skin. Some fish feed their young with skin mucus.
There are so many different types of crabs around the world. Find out more about these fascinating animals here.
The oceans contain a vast variety of creatures. Here are some marine animals whose names span the alphabet from A to Z.
While the fearsome great white shark can grow to a massive 20 feet, most are much smaller. But what is the biggest one ever found?
The lamprey is a frightening eel-like parasite, but could they really attack humans? Here's a look at this monster of nightmares.
If you are worried about the possible presence of dangerous sharks in British waters, you may feel somewhat reassured by how few there really are. Out of the 29 different types of sharks that have been spotted around...
The difference between the colossal and giant squid, the real sea monsters that spawned the kraken legend, is about more than just size!
Some think there are none, but this is a complete listing of all recorded shark attacks in British waters which may surprise you!
The Mariana Trench is the deepest place in the ocean and contains some fascinating animals. In 2016, NOAA made some exciting discoveries about life in the trench.
A illustrated look at some strange and scary ocean dwelling fish and other critters.