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Two nurse sharks hover over a baited cage

Lesson Plan

Light at the Bottom of the Deep Dark Ocean

November 2009

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Blue-spotted stingrays use the help of cleaner fish to stay clean and healthy.

Photo

Blue-spotted Stingray

August 2013

A photo of a squid using bioluminescence to hide in the deep sea.

Overview

Bioluminescence

September 2013

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The frogfish is an expert hunter and can eat fish in 6 milliseconds.

Photo

The Frogfish

June 2017

A photo of a European flounder in the Baltic Sea.

Photo

Flounder Faces Pollution and Overfishing in Baltic Sea

December 2017