Marine Biology

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

Sardines and herring are nutritious foods. The behaviour of the living fish is interesting to study, however. They live in groups and communicate with their companions.

The frilled shark is a strange, deep water shark with a wide head, a huge mouth, and a long, eel-like body. It’s caught as bycatch and is near threatened.

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.

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

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.

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.

Invertebrates are diverse forms of animals. Here are nine (9) major groups of invertebrate animals and the most common examples of invertebrates under each type. There are also pictures of different major groups of invertebrate animals.

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.

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.

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.

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.

A hybrid between a melon-headed whale and a rough-toothed dolphin has recently been discovered in the wild. The two parent species and the hybrid are intriguing animals to observe and study.

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

Narwhals are strange and fascinating Arctic whales. The males—and sometimes the females—have a very long tooth that grows through their lip, forming a tusk.

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