Chapter 13: Class Cubozoa

Question 1

Characteristics? 
dominant form? 
polyp is? 
Umbrella shape? 
Pedalium? 
Velarium? 
type of swimmers?
feed on? 
Polyp stage is? 
Ex: ?

Answer 1

• medusa
• inconspicuous or unknown
• square, one or more tentacles extend from each corner
• found at base of each tentacle, flat blade
• umbrella edge turns inward forming this to increase efficiency
• strong swimmers
• mostly fish in nearshore areas
• tiny, new polyps develop laterally, do not produce ephyrae but directly change to medusae
• ex: Sea Wasp, potential to be fatal…found in Australia..has eyes active predator…