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Marine Science 100
The following photos show typical organisms from Southern California waters.   How many can you identify? See the Key for assistance.

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Mussel
Star
Sponge
Kelp

Related to jellyfish


Able to regenerate


Encrusting species


Up to 100 ft. long



Smelt
  
Urchin
  
Sculpin

  
Tube

 

Come ashore to lay eggs

 

Related to starfish

 

Ouch!

 

Like jellyfish

 
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Photo Identification KEY:

  1. Strawberry sea anemonaes encrust blue mussel shell.
  2. Sea star rests among anemonaes.
  3. Encrusting yellow sponge colony on underside of reef area.
  4. Giant Kelp washed up on the beach-Macrocystis.
  5. A school of grunion swim in an offshore kelp bed.
  6. These purple sea urchins have burrowed into the rocks for protection from waves and predators.