SciShow
Wolves Have Taken Over a Marine Ecosystem
Wolves are amazing hunters, so they tend to be apex predators wherever you find them...including one region in Alaska where these land-based predators sit atop a marine food web.
SciShow
Are Sea Urchins USING TOOLS?!
You might have noticed that sea urchins sometimes make some interesting fashion choices, covering themselves with all sorts of odds and ends, and it turns out they have a lot of different reasons for doing this.
SciShow
Dangerously Smart: Why This Fish Almost Beached Itself
Fish are smarter than you think! Scientists have explored triggerfish's ability to learn some clever hunting tactics.
Sea Studios Foundation
Shape of Life: Echinoderms: Urchin Time Lapse Eating Kelp
Want to learn more about how a sea urchin eats? Watch this video to see a sea urchins using their sensory tube feet to catch drifting kelp and carry it to its mouth on the underside. Also view how the sea urchin uses its five-part jaw to...
Sea Studios Foundation
Shape of Life: Echinoderm Animation: Five Part Symmetry
The five-part symmetry of echinoderms is demonstrated, as the five-armed starfish is morphed into an urchin that is then morphed into a sea cucumber. [1:42]