Which fish is the only living species in the genus Neoceratodus?
Answer
Australian lungfish
76 Fish Trivia Questions with Answers
76 public questions with answers, drawn from the well. How many can you answer?
Fish trivia explores the enormous diversity of aquatic vertebrates, combining scientific classification, anatomy, habitats, behavior, and cultural history. Questions range from fish families and orders to unusual species found in Lake Baikal, tropical reefs, deep water, and freshwater rivers.
You may encounter the nearly transparent Baikal fish that gives birth to live young, the tuna species known scientifically as Thunnus thynnus, or the Eurasian fish identified by two pairs of barbels. This hub is a good fit for biology students, aquarium keepers, anglers, natural-history fans, and pub-quiz teams that enjoy questions balancing familiar animals with surprising scientific details.
What fish family contains the clownfishes and damselfishes?
Answer
Pomacentridae
Which tuna species has the scientific name Thunnus thynnus?
Answer
Atlantic bluefin tuna
Which Lake Baikal fish is nearly transparent and gives birth to live young?
Answer
Baikal oilfish
What family contains the butterflyfishes?
Answer
Chaetodontidae
What order contains cods, hakes, pollocks, and haddocks?
Answer
Gadiformes
What fish has two pairs of barbels and is native to Eurasia?
Answer
Common carp
How many dorsal fins does the Atlantic cod have?
Answer
Three
What fish's roe is commonly sold as masago?
Answer
Capelin
Which flatfish has the scientific name Hippoglossus stenolepis?
Answer
Pacific halibut
What term means the farming of fish and other aquatic organisms?
Answer
Aquaculture
What tiny tooth-like scales cover shark skin?
Answer
Dermal denticles
What top fin runs along a fish's back?
Answer
Dorsal fin
What is the tail fin of a fish called?
Answer
Caudal fin
What is the scientific name of the zebra shark?
Answer
Stegostoma tigrinum
What fish family contains the moray eels?
Answer
Muraenidae
What is the scientific name of the alligator gar?
Answer
Atractosteus spatula
What fish order includes the true eels?
Answer
Anguilliformes
What is the scientific name of the blue tang?
Answer
Paracanthurus hepatus
What fish is known for moving on land using its pectoral fins?
Answer
Mudskipper
What fish genus is commonly called four-eyed fish?
Answer
Anableps
What continent are piranhas native to?
Answer
South America
What fish group has skeletons made mostly of cartilage rather than bone?
Answer
Cartilaginous fish
What are the whisker-like sensory organs of catfish called?
Answer
Barbels
What fish is traditionally prized for producing true caviar?
Answer
Sturgeon
What is the scientific name of the Nile tilapia?
Answer
Oreochromis niloticus
What class contains the ray-finned fishes, the largest group of living vertebrates?
Answer
Actinopterygii
What class of fish includes sharks, rays, and chimaeras?
Answer
Chondrichthyes
What order includes piranhas and tetras?
Answer
Characiformes
What family includes tunas, mackerels, and bonitos?
Answer
Scombridae
What genus contains the seahorses?
Answer
Hippocampus
What is the scientific name of the European eel?
Answer
Anguilla anguilla
What is the scientific name of the ocean sunfish?
Answer
Mola mola
What is the scientific name of the Atlantic cod?
Answer
Gadus morhua
What sensory system lets many fish detect water movement and vibrations?
Answer
Lateral line
Which Pacific salmon is also called sockeye?
Answer
Red salmon
What fish is often called mahi-mahi in restaurants?
Answer
Common dolphinfish
Which fish is famously associated with sea anemones?
Answer
Clownfish
What organ helps many bony fish control buoyancy?
Answer
Swim bladder
What organ do fish use to extract oxygen from water?
Answer
Gills
Fish trivia — quick answers
What are good fish trivia questions?
Good fish trivia questions can cover species identification, scientific names, families, orders, habitats, adaptations, reproduction, conservation, fishing, and unusual records. Mixing recognizable fish with less familiar examples such as Baikal species or primitive freshwater fish creates a quiz that is both accessible and informative.
How hard is fish trivia?
Fish trivia can range from easy to very challenging. Common species, aquarium fish, and well-known adaptations are suitable for casual players. Scientific family names, taxonomic orders, obscure habitats, and species-specific biology require more specialist knowledge.
Which fish is the only living species in the genus Neoceratodus?
The Queensland lungfish, also called the Australian lungfish, is the only living species in the genus Neoceratodus. Its scientific name is Neoceratodus forsteri. It is a freshwater fish native to Australia and can breathe atmospheric air using a single lung.
What fish family contains clownfishes and damselfishes?
Clownfishes and damselfishes belong to the family Pomacentridae. These small marine fishes are common on tropical coral reefs. Clownfishes are especially known for their symbiotic relationships with sea anemones, while damselfishes include many territorial reef species.
Which fish has two pairs of barbels and is native to Eurasia?
The common barbel, Barbus barbus, is a Eurasian freshwater fish with two pairs of barbels around its mouth. It lives mainly in flowing rivers and uses its sensitive barbels to search the riverbed for invertebrates and other food.