Course: Life Below Water: Conservation, Current Issues, Possible Solutions

Our next group of marine vertebrates are from the Class Osteichthyes and consist of the bony fish. Consisting of two subclasses, Actinopterygii – the Ray-finned fish, and Sarcopterygii – the …

It is now time to introduce you to each of the different classes of marine vertebrates, starting with the sharks and rays. Sharks and rays are in the class Chondrichthyes …

Shellfish, like oysters, are considered delicacies all around the world. People love them for their salty taste. Shellfish are also crucial for our coastal ecosystems because they filter water and …

Most of the world’s fresh waters are trapped in ice, underground aquifers and soil moisture. Only about 0.5% of the Earth’s fresh water is present in rivers, lakes and wetlands …

Aquaculture now provides more than half of the world’s fish, but what else can we farm below water that is healthy for us and healthy for the sea?

By now you may have realised that great ideas still require great effort to bring them to reality. There is no silver bullet for reducing greenhouse gas emissions from ruminant …

Animals belong to the Class Mammalia and can be found in every habitat, including marine, freshwater and terrestrial. Consisting of over 5,500 species, there are really only three orders within …

Oreochromis mossambicus is a highly successful invader of aquatic ecosystems due to its adaptable life history, trophic flexibility, ability to tolerate extreme and often unfavourable environmental conditions and maternal care …

Sea birds are from the Class Aves – which means “birds”. There are over 10 000 species of Aves, however there are really only five orders contain ‘marine’ species. These …

In this video we will learn about the impact invasive species can have on aquatic ecosystems. We will focus on the effect that Tilapia and other species introductions have had …

Marine reptiles can be found in the Class Reptilia. Within this class there are three orders that contain marine species: Testudines (sea turtles), Squamata (sea snakes and lizards) and Crocodilia …

In the video we learned that animal shape in water is determined by the competing forces of inertia and drag. However these forces can also determine how efficient an animal …

Different animals have different shapes underwater some animals, like sharks and dolphins have a sleek torpedo shape, but other animals like plankton can be round or odd shaped. What drives …

Emerging technology may be a gamechanger for coral reef conservation. Using satellite imagery and machine learning, the new Allen Coral Atlas will map all shallow-water coral reefs throughout the globe. …