Which freshwater fish genus includes the ancient-looking bichirs?
Answer
Polypterus
61 Freshwater Fish Trivia Questions with Answers
61 public questions with answers, drawn from the well. How many can you answer?
What is the scientific name of the lake trout, a freshwater char native to North America?
Answer
Salvelinus namaycush
Which freshwater fish is Europe’s largest native freshwater fish by length?
Answer
Wels catfish
Which freshwater fish is known as the elephantnose fish?
Answer
Gnathonemus petersii
Which fish species is commonly called the redtail catfish?
Answer
Phractocephalus hemioliopterus
Which freshwater fish uses a swim bladder to produce a drumming sound?
Answer
Freshwater drum
Which freshwater fish is famous for laying its eggs inside freshwater mussels?
Answer
European bitterling
Which freshwater fish is famous for surviving dry seasons buried in mud?
Answer
African lungfish
Which freshwater fish is commonly known as the Texas cichlid?
Answer
Herichthys cyanoguttatus
What is the scientific name of the guppy, a small freshwater livebearer?
Answer
Poecilia reticulata
Which genus contains the freshwater aquarium fish commonly called discus?
Answer
Symphysodon
Which freshwater fish is known as the Siamese giant carp?
Answer
Giant barb
What is the scientific name of the common carp, a freshwater fish introduced worldwide?
Answer
Cyprinus carpio
Which freshwater fish is the world’s largest living freshwater stingray species?
Answer
Giant freshwater stingray
Which freshwater fish is known for making a drum-like sound with its swim bladder?
Answer
Freshwater drum
Which freshwater fish is scientifically named Carassius auratus?
Answer
Goldfish
Which freshwater fish is the only native fish of Australia’s genus Neoceratodus?
Answer
Australian lungfish
Which freshwater fish is known as the electric eel despite being a knifefish?
Answer
Electric eel
Which freshwater fish is New York State’s official state fish?
Answer
Brook trout
Which freshwater fish is commonly called the Chinese algae eater in the aquarium trade?
Answer
Gyrinocheilus aymonieri
Which freshwater fish has been Wisconsin's official state fish since 1955?
Answer
Muskellunge
What is the scientific name of the rainbow trout, a freshwater salmonid native to the Pacific Rim?
Answer
Oncorhynchus mykiss
What was the weight of the famous 1932 world-record largemouth bass caught by George Perry?
Answer
22 pounds 4 ounces
Which freshwater fish is the largest species of African tigerfish?
Answer
Goliath tigerfish
Which freshwater catfish species is scientifically named Ictalurus punctatus?
Answer
Channel catfish
Which freshwater fish is called the clown loach in the aquarium trade?
Answer
Chromobotia macracanthus
Which freshwater fish is native to the Amazon and Orinoco basins and commonly called the freshwater angelfish?
Answer
Pterophyllum scalare
Which freshwater fish is known as the black ghost knifefish?
Answer
Apteronotus albifrons
Which freshwater fish is also known as the Nile tilapia?
Answer
Oreochromis niloticus
Which freshwater fish is the only living species in the genus Heterotis?
Answer
African arowana
Which freshwater fish is often called the red-bellied piranha?
Answer
Pygocentrus nattereri
Which freshwater fish is also called the Mississippi paddlefish because of its long, paddle-shaped snout?
Answer
American paddlefish
Which fish is the official state fish of Minnesota?
Answer
Walleye
Which freshwater fish is commonly called the oscar?
Answer
Astronotus ocellatus
Which freshwater fish is the smallest known vertebrate species by standard body length?
Answer
Paedocypris progenetica