This is the freshwater angelfish (Pterophyllum scalare), a graceful Amazon native with a tall triangular body and dramatically long, trailing fins that make it one of the most elegant and recognizable aquarium fish in the world.This is the ocellaris clownfish (Amphiprion ocellaris), the bright orange fish with white bands outlined in black that lives symbiotically inside sea anemones and became globally famous thanks to Finding Nemo.This is the Indo-Pacific sailfish (Istiophorus platypterus), the ocean’s fastest swimmer, capable of speeds over 68 mph, instantly recognized by its enormous dorsal fin that runs like a giant blue sail along its back.This is the Picasso triggerfish, a reef fish painted in wild blue, yellow, and black geometric patterns that look like they were designed by a modern artist rather than nature.This is the common goldfish, the classic bright orange pet fish sold at fairs for decades, capable of growing over a foot long and living 20–30 years when properly cared for.This is the giant oceanic manta ray, the largest ray in the world with a wingspan up to 29 feet, gracefully filter-feeding on plankton as it glides through tropical waters.This is the deep-sea anglerfish, a terrifying predator that dangles a glowing bioluminescent lure from a modified dorsal spine to attract prey in the pitch-black abyssal zone.This is the red-tailed black shark, the jet-black freshwater fish with a bright red or orange tail that acts like a mini shark but is actually a cyprinid.This is the lemonpeel angelfish, a tiny, oval-shaped dwarf angel from the Indo-Pacific covered in electric yellow with a blue ring around the eye, always looking cheerful.This is the mahi-mahi, a brilliantly colored open-ocean predator that flashes neon green, blue, and gold when freshly caught.This is the great barracuda, a sleek, silver torpedo with razor-sharp teeth and a menacing stare that makes swimmers nervous in tropical waters.This is the bull shark,one of the most aggressive sharks and the only species that can thrive in both saltwater and freshwater rivers for its entire life.This is the Boesemani rainbowfish, a stunning species native to Southeast Asia (specifically Indonesia) where males display a neon-blue front half and bright orange back half.This is the whale shark, the largest fish on Earth, reaching over 40 feet and gently filter-feeding on plankton with its cavernous 5-foot-wide mouth.This is the glass catfish, a completely see-through freshwater species from Southeast Asia where you can watch its heart beating and food moving through its body.This is the Japanese amberjack, the prized sushi fish known as hamachi when young and buri when adult, farmed extensively in Japan.This is the regal tang, the bright royal-blue fish with a black palette design and yellow tail that everyone instantly recognizes as Dory from Finding Nemo.This is the red lionfish, a stunning but highly invasive species with flowing venomous spines and bold red-and-white stripes that make it look like underwater royalty.This is the betta, the vibrantly colored fighting fish from Thailand famous for its long flowing fins and aggressive males that flare at their own reflection.This is the broadbill swordfish, a large migratory fish known for its long, flat bill. It is hunted commercially for its dense, steak-like meat.This is the harlequin rasbora, the peaceful little orange fish with a bold black triangle wedge on its body, a classic schooling fish in planted tanks for decades.This is the Moorish idol, the unmistakable black-white-yellow fish with a long dorsal filament that played Gill in Finding Nemo and is notoriously hard to keep in aquariums.This is the guppy, the tiny colorful livebearer that gives birth to live babies and comes in endless tail shapes, the ultimate beginner aquarium fish.This is the great white shark, the ocean’s most famous apex predator with a reputation built by movies, known for its massive size and dramatic surface breaches.This is the bumblebee goby, the tiny yellow-and-black striped brackish-water fish that looks exactly like a flying bee swimming around the tank.This is the koi, the ornamental colored carp bred in Japan for centuries, prized for their patterns and often worth thousands of dollars each in ponds.This is the oscar, the intelligent South American cichlid that recognizes its owner, comes in tiger, red, and albino varieties, and loves rearranging aquarium décor.This is the great hammerhead shark, the largest hammerhead with a nearly straight hammer-shaped head used like a metal detector to find stingrays buried in sand.This is the cardinal tetra, the brighter, redder cousin of the neon tetra with a full red belly, one of the most popular schooling fish in the hobby.This is the yellowfin tuna, the fast-swimming ocean giant you eat in sushi and steaks, named for its bright yellow finlets and sickle-shaped tail.This is the German blue ram, the tiny, dazzling turquoise dwarf cichlid with black markings and red-tipped fins that’s a favorite in planted community tanks.This is the convict cichlid, the small black-and-white vertically striped fish that breeds in every crack and is nicknamed “the zebra cichlid with an attitude”.This is the common plecostomus, the armored algae-eating catfish that grows huge in aquariums and sticks to glass with its sucker mouth.This is the red snapper, the bright red food fish with big eyes that’s a restaurant menu favorite across the Americas and considered a delicacy.This is the rainbow trout, the beautifully spotted freshwater game fish with a pink stripe that’s stocked in lakes and rivers everywhere for fishing.This is the zebra danio, the tiny striped speedster that schools like crazy and was one of the first fish ever kept in home aquariums.This is the cod, the classic white fish used in fish and chips worldwide, once so plentiful in the Atlantic that it shaped entire economies.This is the clown loach, the orange fish with three bold black bands that grows surprisingly large and is famous for its playful, almost puppy-like personality.This is the tilapia, the mild white fish farmed everywhere and served in restaurants so often that it’s one of the most eaten fish on the planet.This is the molly, the hardy black or silver livebearer with a rounded tail that comes in sailfin varieties and breeds like crazy in community tanks.You scored 0 out of 40You scored 1 out of 40You scored 2 out of 40You scored 3 out of 40You scored 4 out of 40You scored 5 out of 40You scored 6 out of 40You scored 7 out of 40You scored 8 out of 40You scored 9 out of 40You scored 10 out of 40You scored 11 out of 40You scored 12 out of 40You scored 13 out of 40You scored 14 out of 40You scored 15 out of 40You scored 16 out of 40You scored 17 out of 40You scored 18 out of 40You scored 19 out of 40You scored 20 out of 40You scored 21 out of 40You scored 22 out of 40You scored 23 out of 40You scored 24 out of 40You scored 25 out of 40You scored 26 out of 40You scored 27 out of 40You scored 28 out of 40You scored 29 out of 40You scored 30 out of 40You scored 31 out of 40You scored 32 out of 40You scored 33 out of 40You scored 34 out of 40You scored 35 out of 40You scored 36 out of 40You scored 37 out of 40You scored 38 out of 40You scored 39 out of 40You scored 40 out of 40
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NextNext QuizIncorrectCorrectGenerating your resultRetryOops, Quizday rookie! Don't worry, even the greatest quiz masters had to start somewhere. You may have stumbled this time, but every mistake is an opportunity to learn and grow. Keep on quizzing, Quizday newbie, and let your thirst for knowledge guide you towards greatness!Hooray for trying, Quizday explorer! You may not have aced the quiz this time, but you're like a brave adventurer trekking through uncharted territories. Keep exploring, Quizday fan, and let your inquisitive spirit be your guide to the riches of knowledge. Who knows what wonders await you on your next quiz quest?Great effort, Quizday adventurer! You're like a curious cat exploring the world of trivia with wide-eyed wonder. Keep on quizzing, Quizday fan, and let your enthusiasm for knowledge propel you towards success. Remember, even the most experienced quiz champions started somewhere. You're on your way to greatness!Hooray for taking the Quizday challenge! 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Think you only know fish from sushi menus, aquarium visits, and that one traumatic viewing of Jaws? Think again! From the pet store classics you begged your parents for as a kid to the giants that cruise the open ocean, these 40 fish are the ones you’ve definitely seen, heard of, or eaten — yet somehow their names slip away the moment someone asks. This quiz isn’t about rare deep-sea oddities; it’s about the everyday swimmers that are famous… until they’re not. Ready to prove your fish memory is sharper than a marlin’s bill? Let’s separate the goldfish from the shark bait.
Aquarium Regular
Think you only know fish from sushi menus, aquarium visits, and that one traumatic viewing of Jaws? Think again! From the pet store classics you begged your parents for as a kid to the giants that cruise the open ocean, these 40 fish are the ones you’ve definitely seen, heard of, or eaten — yet somehow their names slip away the moment someone asks. This quiz isn’t about rare deep-sea oddities; it’s about the everyday swimmers that are famous… until they’re not. Ready to prove your fish memory is sharper than a marlin’s bill? Let’s separate the goldfish from the shark bait.








