Species library
Field marks, habits, and camera tips for the wildlife that visits backyard habitats.
black leather sponge
Sarcotragus spinosulus
A resilient architect of the Mediterranean seafloor, the black leather sponge is more than just a stationary organism...
Marine Invertebrates
Branching Vase Sponge
Callyspongia aculeata
A masterpiece of biological engineering, the Branching Vase Sponge paints the Caribbean reefs with shades of lavender...
Marine Invertebrates
Elephant Ear Sponge
Agelas clathrodes
A vibrant architectural masterpiece of the Caribbean reefs, the Elephant Ear Sponge is a massive filter feeder that p...
Marine Invertebrates
Red Sea Urchin
Mesocentrotus franciscanus
A crimson icon of the Pacific coast, the Red Sea Urchin is a long-lived marvel that turns the rocky seafloor into a v...
Marine Invertebrates
Spiral Bryozoan
Bugulina californica
Discover the mesmerizing architecture of the Spiral Bryozoan, a colonial marine animal that builds intricate, corkscr...
Marine Invertebrates
Variable Loggerhead Sponge
Ircinia variabilis
A master of Mediterranean reefs, the Variable Loggerhead Sponge is a resilient filter-feeder that transforms the seab...
Marine Invertebrates
Yellow Tube Sponge
Aplysina fistularis
Rising like golden organ pipes from the ocean floor, the Yellow Tube Sponge is the Caribbean's most iconic living fil...
Marine InvertebratesNot sure what you saw?
Upload a photo and we will put a name to it — usually in a few seconds.
Identify a speciesKeep a record of who visits you
Connect a camera and EverydayEarth builds your own field guide — every species, first seen to last seen.