Osteichthyes Test

Catfish lack these common structures of Osteicthyes.

• Scales

• Gills

• Opercula

• Swin Bladders

• Fins

This structure is used to detect vibrations in the water.

• olfactory sacs

• nictitating membrane

• lateral line

• spiracles

What feature in bony fish helps them maintain buoyancy?

• lateral line

• fatty liver

• swim bladder
• oily bile

Lungs are to mammals as _____________ are to fish.

• gills

• feet

• antennae

• scales

#3 is the ______ fin

• dorsal

• lateral

• anterior

• bottom

Fish that give birth to live young are

• oviparous

• viviparous

• ovoviparous

• viparous

Identify the different fish scales.

• ganoid scales

• 
• ctenoid scales

• 
• placoid scales

• 

Some fish have one or two of these fins located on their upper top side.

• caudal fin

• pectoral fin

• dorsal fin

• anal fin

• pelvic fin

Match the following fins to their names

• dorsal fin

• 
• caudal fin

• 
• pectoral fin

• 

This tuna has a ______ body shape, which is best for quickly swimming in the open ocean.

• fusiform

• symmertrically lateral compressed

• asterolepid

• spherical

• asemmertically compressed