Click on the word best described by each definition or situation.

1. one of a pair of fins on the lower body of a fish 

pectoral fin		pelvic fin 


2.  scale with a toothed rear edge

ctenoid scale cycloid scale 
 

        
3. any species which is in danger of extinction as a breeding species 
        in Illinois 
      
state threatened species	state endangered species


4.  the tail fin of a fish

anal fin 	caudal fin


5.  species that is not native to an area

exotic species		nonnative		both of these


6.  I went fishing today and caught one catfish.  What did I catch?

fish		fishes


7.  I went fishing yesterday and caught one catfish and three bluegill.  What did I catch?

fish		fishes


8.  I went fishing last week and caught five catfish.  What did I catch?

fish		fishes


9.  a species that is no longer found in the Illinois portion of its range

extirpated	nonnative


10.  fin located in the middle of the back

pectoral fin	dorsal fin

Care to try again?