Corella inflata, a native solitary tunicate

Chelyosoma productum, a native solitary tunicate

Styela gibbsii, a native solitary tunicate

Distaplia occidentalis, a native colonial tunicate

Botrylloides violaceus, an exotic colonial tunicate

Hydroid colonies

Hydroid colonies overgrown with colonial tunicates

The tubeworm, Eudistylia vancouveri

The nudibranch, Hermissenda crassicornis

All the pictures above were taken with a manual 35 mm camera, using the equipment shown here. To take photos through glass or water, you should always use a camera that can be focused manually.

For more help identifying organisms found growing under docks, consult the following book:

Seashore Life of the Northern Pacific Coast, by Eugene Kozloff. Seattle, Washington: University of Washington Press, 1973.