Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Fish Families

Fish Family Characteristics

Lepiosteridae long cylindrical body, long jaws with sharp teeth, hardened scales over body
Clupeidae thin fish with silvery scales, lateral line absent, saw-toothed keel on belly
Cyprinidae lips not sucker-like, usually not more than 10 dorsal rays
Catostomidae sucker-like mouth with thick lips, body with large, smooth, simple scales
Ictaluridae scaleless body, barbels present around mouth, adipose fin present, sharp, heavy pectoral and dorsal spines
Moronidae body with obvious stripes, opercle with well-developed spine, dorsal fin is almost completely divided
Sciaenidae deep bodied silvery fish, high back and long dorsal fin, lateral line extends onto caudal fin
Centrarchidae dorsal fin is united and confluent, anal fin with 3-8 spines. opercle without well-developed spine, thoracic pelvic fins present
Cichlidae lateral line broken under dorsal fin, one nostril under each side of head
Percidae dorsal fin completely divided, anal fin with 1 or 2 spines
Esocidae long, cylindrical body, both jaws extend forward, shaped like a duck bill
Fundulidae top of head and back flattened, mouth upturned, body elongated, lateral line absent
Aphredoderidae dark olive, somewhat speckled , anus under throat, large mouth
Atherinopsidae slender fish with silvery band on sides, snout flattened, lower jaw extending before upper jaw
Poeciliidae similar in appearance to topminnows, third anal ray not branched
Cyprinodontidae deep rounded body, mouth upturned, head is flattened but back is usually highly arched, lateral line is absent
Lepiosteridae spotted gar, alligator gar, longnose gar
Clupeidae herrings, gizzard shad, threadfin shad
Cyprinidae central stoneroller, golden shiner, bullhead minnow, red shiner, blacktail shiner, common carp
Catostomidae sucker family, gray redhorse, river carpsucker, smallmouth buffalo
Ictaluridae channel catfish, yellow bullhead, blue catfish, flsthead catfish
Moronidae white bass, yellow bass, striped bass
Sciaenidae drum and croaker family, red drum
Centrarchidae green sunfish, bluegill, longear sunfish, spotted bass, largemouth bass, white crappie
Cichlidae rio grande cichlid, blue tilapia
Percidae orangethroat darter, dusky darter, bigscale logperch
Esocidae chain pickeral, redfin pickeral
Fundulidae blackstripe topminnow, blackspotted topminnow
Aphredoderidae pirate perch
Atherinopsidae brook silverside
Poeciliidae western mosquito fish, sailfin molly
Cyprinodontidae pupfish minnow, sheepshead minnow


Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards