Marine Biology

Corals argue and smootch. They grow taller than buildings and follow fish. They even beat up bullies with bodyguards.

The tongue-eating louse is a parasitic isopod. It destroys the tongue of a fish and lives in the space that's created, where it feeds on blood and mucus from its host.

The Japanese kobudai and the California sheephead are interesting fish in the wrasse family. The animals can change from a female to a male during their lifetime.

Cusk eels belong to an interesting family of fish called the Ophidiidae. Some species have unusual features. Many live in deep water and have intriguing lives.

Estuaries are considered to be one of the most productive ecosystems in the world. This article is about the different types of estuaries, their importance and the threats they have been facing.

Sea hares, sea angels, and sea butterflies are gastropods, like terrestrial slugs and snails. They are impressive and sometimes beautiful animals with interesting features.

This article discusses different kinds of pearls and pearl products and takes a quick look at how and where they are cultivated. If you're interested in cultivating, purchasing, or identifying pearls, this article is a great place to start.

Sea slugs are often colorful and attractive animals. They have many interesting features. This article contains sea slug facts and photos of twelve beautiful species.

An article on the different types of coral reefs and their gift to the marine life.

This article is about the stingray and other rays and will explain how they are born, how they live and hunt, and how they defend themselves from predators.

All about the elusive, cute rare Dumbo octopus, which can be found in oceans around the world. Here is information about feeding, living environment and reproduction habits of this octopus.

Walking sharks have elongated and spotted bodies. Muscular fins allow them to "walk" on the ocean floor as well as swim. Epaulette sharks walk on land.

This article examines the fearsome Red-Bellied Piranha. It analyzes the animal's behavioral patterns, scientific properties, and general characteristics.

Blue whales inhabit every ocean of our modern world. Their future existence is in question. This article will inform you about at least 35 important facts regarding the history and current status of blue whales.

From powering Christmas trees to posing as the Loch Ness Monster, here are the strangest facts about eels.

This article explores the characteristics and traits of Humpback Whales. It examines the animal's behavioral patterns, reproductive process, habitat, as well as its natural prey and predators.

This article explores the traits and characteristics of the Gray Whale. It examines the Gray Whales's behavioral patterns, habitat, geographical range, as well as the animal's natural prey and predators.

This article explores the traits and characteristics of the Blue Marlin; focusing on its behavioral patterns, reproductive habits, habit, and natural prey.

This article explores the habitat, prey, and characteristics of the Great White Shark.

The killer whales that visit the Salish Sea in summer are in trouble. The group is endangered. One reason is lack of salmon to eat, but there may be others.

The summer of 1916 was a hot one. People were looking to escape to the beach for family fun and relief from the heat over the July 4th holiday. Instead it turned out to be almost two weeks of terror from an attacking man eating shark

Whales are amazing creatures. They take the form of a fish, live exclusively in the water, but are definitely mammals. Some of them are the biggest known animals to inhabit Earth and they live long lives. Here are weird and little-known fun facts about whales that prove they are a wonder of nature.

Polar Bears live primarily near the North Pole, where they hunt seals for their blubber to survive. They are created to survive this cold environment and are adept swimmers.

Killer whales, also known as orcas, are part of the dolphin family and can live anywhere saltwater is present.

With their dark eyes, sharp teeth and fearsome reputation, all sharks are ruthless killers...aren't they?

Cuttlefish are spectacular animals, cunning and curious, with a strange beauty. They possess amazing camouflage abilities a chameleon wishes it had, and are the world's most intelligent invertebrate. This article will tell you why the cuttlefish is my favorite animal.

Melon-headed whales and rough-toothed dolphins are intriguing animals. In some areas, their distribution overlaps. A hybrid between the two species has been discovered in Hawaii.

The Knysna Seahorse owns several characteristics that makes it unique among seahorses. These special and delicate creatures face extinction in the wild due to unusual habitat and their popularity in the ornamental fish trade.

Invertebrates are a diverse group of animals. This article discusses the nine most important of the 30 known phyla of invertebrates and includes images and descriptions of some of the most common examples of each type.

The ochre sea star is a colourful invertebrate that has been seriously affected by a wasting disease. The disorder causes the body to disintegrate into a goo as though it's melting.

Phytoplankton are the microscopic plants that live on the surface of every body of water and provide food for most creatures living in their habitats

Our list of the top 10 weirdest deep sea creatures will take you to the depths of the ocean floor and explore some of the strangest looking creatures on the planet, above or below the water.

Marine compounds that were once known to be toxic to humans have now become life-saving drugs. Many of these are used either as anticancer drugs or to relieve pain in cancer.

The unexplored bottom of the ocean floor is home to a plethora of weird and creepy sea creatures who never see the sun. In this Hub I list ten of them, and explain exactly what makes them so creepy.

The swell shark and the chain catshark produce beautiful patterns of light in a process called biofluorescence. The light emission may have important functions.

Pyrosomes are elongated, thimble-shaped entities that swim in the ocean and are bioluminescent. A pyrosome is actually a colony of small animals called tunicates.

Top predators, such as sharks, are vital to the health of all ecosystems, but they are being hunted and killed close to extinction.

The Mariana Trench is the deepest place in the ocean and contains some fascinating animals. NOAA has made some exciting discoveries about life in the trench.

The mucus that covers fish has several functions, including protection from multiple dangers and serving as food for young fish. The substance may also be useful for us.

Coral bleaching is an event in which corals lose their pigment and main source of food. It often causes corals to die. Oxybenzone in sunscreens may contribute to coral bleaching.

There are many fascinating and beautiful types of mollusks. This page is packed with pictures and facts on the kinds you can easily find, plus some that you might want to avoid at all costs.

Octopuses have fascinating abilities. Some have fins that help them move. Others demonstrate intelligence. The genome of one species is very unusual.

Pacific white-sided dolphins are intelligent and very social animals. This article describes the lives of the wild dolphins and of some rescued animals in captivity.

Bowhead whales live in the Arctic, break through ice to breathe, and sing intriguing and beautiful songs. They have a large head with a huge, bow-shaped mouth.

Two amazing phenomena in nature are the annual migration of millions of red crabs on Christmas Island and the "everlasting" Catatumbo lightning in Venezuela.

The lamprey is a frightening eel-like parasite, but could they really attack humans? Here's a look at this monster of nightmares.

The animals of the sea are playful and beautiful in their own special way. Learn about these remarkable aquatic animals - some of the largest in the world - manatees and dugongs.

Pygmy seahorses are tiny animals that are often less than an inch in length. Some have amazing features that disguise them and protect them from discovery.

Find out why the fake Megalodon search aired by the Discovery Channel for Shark Week 2013 ticked off a lot of people and why the hoax matters.

Learn the difference between the colossal and giant squid, the real sea monsters that spawned the kraken legend, is about more than just size!