Aquatic algae called diatoms have ... Diatom phytochromes integrate the underwater light spectrum to sense depth Phytochromes are protein sensors of red and far-red light that are found across ...

In reality, algae is a category of diverse photosynthetic underwater organisms that range ... include brown algae (like laminaria digitata), red algae (including Irish moss, known as chondrus ...

The marine iguana is found only in the Galápagos Islands. From their sleek swimming skills underwater to their clumsy movements on land, they're perfectly adapted to their marine environment.

The brightly coloured coral reefs of the Red Sea are an underwater paradise ... will be increasingly choked up by fast-growing green algae. The effects on tourism could be devastating.