Four new species of sponge that lay undiscovered in plain sight. The ocean is a big place with many deep, dark mysteries. Humans have mapped no more than 20% of the sea, and explored less. Even the kelp forests of Southern California -- among the best studied patches of ocean on the planet -- hide species not yet described by science. Source 4m.
You know I was thinking sea sponge has only this many replies rapidly how correct or move ahead with discussion.