The Sea Sponge
Season 3, Episode 16
Sea Sponge Season 3 Episode 16 New Episode 2014.mp4 000137960
Episode guide
The Red Rock Crabs
The Immortal Jellyfish
Examining a sick sea sponge, Peso is surprised to discover that all sorts of creatures live inside it, treating it like a hotel, a behavior known as commensalism. While checking on his patient, Peso discovers a sperm whale louse inside, sick and unable to move.

Creature Report

Sea Sponge