Fish- External Anatomy
This region extends from the mouth to the back of the operculum.
What is the head?
These muscle segments are found along the sides of a fish's body.
Answer: What are myomeres?
Most fish species use this survival strategy by producing huge numbers of eggs.
What is the “many small” strategy?
This is the only trout species native to western North Carolina.
What is the brook trout?
This fin, also called the tailfin, helps propel the fish forward.
What is the caudal fin?
This organ helps freshwater fish remove excess water from their bodies.
What is the kidney?
These fish lay their eggs when favorable currents will carry their larvae back into estuaries.
What are bluefish?
Bluegills are the most common of all the fish in this group.
What are sunfishes?
These growth rings on fish scales can be used to determine the age of a fish.
What are annuli?
Myomeres allow fish to swim by doing these two things.
Answer: What are contracting and relaxing?
The yolk sac provides food for the fry for about this long while their mouth parts develop.
What are five days?
This species has irregularly spaced black blotches on its silvery-green to yellowish sides.
What is the black crappie?
This feature allows fish to sense vibrations and temperature changes in the water.
What is the lateral line?
These structures help a fish know its orientation and stay upright in the water.
What are statocysts?
These are the three developmental stages of fish described in the passage.
What are egg, larvae, and adult?
In this species, the dark blotches often form vertical bars.
What is the white crappie?
Rainbow trout may have this tiny, rounded fin located between the dorsal fin and tail fin.
What is the adipose fin?
If a fish needs to store nutrients and produce bile, this internal organ performs both jobs.
What is the liver?
This term describes the developmental change fish undergo as they progress through their stages.
What is metamorphosis?
What larger fish family is the American shad a member of?
Herring