Just as Darwin’s finches evolved specialised beaks to target prey, 3D modelling of 61 museum specimens reveals albatross beaks vary in size and shape for different diets. They can also drink seawater.
Damselfish are finding it harder to detect predators.
Vojce / shutterstock
The discovery of the deepest fish in a Japanese trench raises the question, what else is out there? But before the mind leaps to all things dark and spooky, take a fresh look at life in the deep sea.
Sightings of thin killer whales have led researchers to blame the decline of these whales to the shortage of Chinook salmon.
THE CANADIAN PRESS/Keith Holmes, Hakai Institute
Ranging from 12 to 22 centimetres, these tiny octopus are extremely venomous and found all over Australia. Here’s what to do if you see someone get bitten.
Artificial light is an emerging threat for marine ecosystems in coastal waters (Kochi, India).
Vinu Sebastian/Shutterstock
Zebra and quagga mussels entered the Great Lakes in large ships’ ballast water. Now, local boaters and anglers are spreading them into the southern and western US.
Increased motorboat activity has resulted in an alarming increase in turtle injuries. Northern map turtles are an at-risk species, and boat collisions threaten their survival.
Tampa Bay’s sea grass meadows need sunlight to thrive. Algae blooms block that light and can be toxic to marine life.
Joe Whalen Caulerpa/Tampa Bay Estuary Program via Unsplash
Harmful algae blooms are an increasing problem in Florida. Once nutrients are in the water to fuel them, little can be done to stop the growth, and the results can be devastating for marine life.
Penguins are sensitive to ecosystem changes such as reduction of available prey, pollution and climate change. Their presence and abundance is indicative of a healthy and balanced ecosystem.