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About This Quiz
It's deep, dark, mysterious... and quite salty as well!
If you want to explore the great unknown, then you don't have to get on a spaceship and blast off to another planet. There is a whole layer of mysterious and largely unexplored locations right here on Earth! Scientists are still discovering new aquatic species to this day. The Earth's oceans are so vast that large areas have yet to be fully explored. In fact, the oceans make up approximately 99 percent of all living space on the planet!
There are over 200,000 known aquatic species today but it has been estimated that over ten times that number of aquatic species are undiscovered; that's over two million species! The further down you go into the deep dark depths of the ocean, the weirder things become. In fact, some of the strangest deep sea creatures can look like what we have always imagined aliens to look like! Creepy right?ÂÂ
The bounty of our seas mean that we have an endless supply of creatures to choose from for this underwater quiz. So, don't be scared! Channel your inner Captain Nemo, slip into your wet suit, and take a deep breath - and get ready to "bait and tackle" this quiz!
Wiki Commons By Oregon State University
What ocean creature is shown in this image?
Tube worm
These marine invertebrates live around a mile deep under the sea. They can grow up to 2.4 meters in length.
Moray eel
Goblin shark
Sardine
Wiki Commons
What ocean creature is shown in this image?
Shrimp
Rock lobster
Spider crab
Living in the waters around Japan, these giant crabs have a massive leg span. In fact, there can be a gap of up to 5 meters between their claws. Spider crabs can weigh up to 19 kgs. Sadly, their numbers are decreasing due to overfishing.
Crayfish
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What ocean creature is shown in this image?
Sardine
Conch
Whelk
Armored snail
Incredibly, this underwater snail which live at depths of around 2.5 km, uses iron sulfides to construct scales which appear on its body as well as the foot of the snail. These sulphids include pyrite and greigite.
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What ocean creature is shown in this image?
Great white
Blue marlin
One of the great game fish, blue marlin come in two species, Atlantic and Pacific. These fish have a sharp bill which is used when hunting. It uses it to either spike or stun other fish when swimming through a school, returning to eat any that are injured. Female blue marlin can be four times bigger than males.
Yellowfin tuna
Puffer fish
n/a
What ocean creature is shown in this image?
Great white shark
Flying fish
Chinook salmon
Also known as the king salmon, this fish spawns in rivers in America, eventually making their way to the Pacific. They are fairly large and grow up to around 100 cm in length although bigger fish have been recorded. On average, adults weight up to 22 kg.
Atlantic sardine
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What ocean creature is shown in this image?
Hermit crab
Spider crab
Black mussel
Conch
Conch shells are popular keepsakes from a visit to the ocean but not many people know that this is actually the home of a sea snail. They are eaten in many parts of the world while the shell, known for its beautiful spirals can also double as a wind musical instrument.
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Wiki Commons By: "Mike" Michael L. Baird
What ocean creature is shown in this image?
Elephant seal
Elephant seals are divided into two species - the north and south elephant seal. The northern species live in the waters around California, generally near off-shore islands. The other species live in the Antarctic. These seals migrate each year in the search for food.
Narwhal
Humpback whale
Marine otter
n/a
What ocean creature is shown in this image?
Flying fish
Basking shark
Stingray
A member of the ray family, which incidentally are related to sharks, the stingray is graceful sea dweller that 'flies' underwater as it moves. Like many other rays, it has a long, thin tail. This has a barbed end which the stingray uses for self-defense. There are 220 different stingray species in the world's oceans.
Banjo shark
n/a
What ocean creature is shown in this image?
Oyster
Razor clam
Sea cucumber
Belonging to the same family as starfish and sea urchins, the sea cucumber is broken up into 1,250 different species. Some live in shallow water while others are found at much deeper depths. They feed mostly on algae but will also consumer microscopic creatures as well as waste. They essentially perform the same task in the ocean as earthworms do on land, breaking down organic matter.
Flat worm
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What ocean creature is shown in this image?
Grouper
Devil ray
Goblin shark
Certainly not the prettiest fish in the sea, the goblin shark is noted for its prominent snout and its jaws with razor-sharp teeth below that. Goblin sharks can grow up to four meters in length and weigh around 200kgs. They are characterized as a 'living fossil'.
Yellowfin tuna
n/a
What ocean creature is shown in this image?
Gar
Rock fish
Pilchard
Pufferfish
Commonly referred to as the blowfish, these ocean dwellers are a delicacy in Japan. They are very poisonous, however, and have to be prepared correctly with chefs training for years to do so. Pufferfish can grow up to two feet in length.
Wiki Commons CC 4.0
What ocean creature is shown in this image?
Moray eel
Hector's dolphin
The smallest dolphins in the world, Hector's dolphins are critically endangered with only around 7,000 left in the wild. Sadly, there are also only 55 left of the Maui's dolphin, a sub-species.
Atlantic snapper
Lamprey
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What ocean creature is shown in this image?
Prawn
Hermit crab
Lobster
There are many species of lobster in the world's oceans. These crustaceans are noted for their large tails, two claws and five pairs of legs. Lobsters are a delicacy around the world and prized for their sweet-tasting meat. They also molt, with the process seeing them leave their hard exoskeleton behind after a new one forms.
Yabby
Discovery Channel via Youtube
What ocean creature is shown in this image?
Megalodon
Orca
Megamouth shark
This species of deepwater shark is a filter feeder. Not much is known about them, they were only discovered in 1976. Only 63 of this elusive species of shark have even been caught or sighted since then.
Sperm whale
Wiki Commons CC 3.0
What ocean creature is shown in this image?
Shrimp
White mussel
Black mussel
This marine mollusk is found throughout the oceans of the world, although there are three distinct species. They are noted for their black, hinged shells and are a popular as a seafood dish.
Oyster
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What ocean creature is shown in this image?
Orca
Narwhal
This incredible mammal, often called the unicorn of the sea, has a large tooth that grows on its head often up to 8 feet in length. Narwhals can grow up to 20 ft and weigh up to 1.5 tons.
Humpback whale
Manatee
Wiki Commons Public Domain
What ocean creature is shown in this image?
Turbot
Dorado
Flat fish
Sunfish
This massive fish is the largest bony fish found in the sea. Weighing up to 2000kg and growing 3m in length, Sunfish have to large fins but no tail. These impressive creatures received their name from their habit of lying near the surface, basking in the sun. They have a parrot-like beak and feed on jellyfish.
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What ocean creature is shown in this image?
Atlantic gar
Sole
Pacific pilchard
Also referred to as Pacific sardines, these sardines are found throughout the Pacific where they feed on plankton, small crustaceans, and fish larvae. They are commercially fished and used as animal feed, fish oil and for human consumption.
Turbot
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What ocean creature is shown in this image?
Goblin shark
Ghostly grenadier
There are over 300 different species of the rattail fish, also known as grenadiers. They are easily recognized by their large heads and body that tapers toward a pointy tail. Grenadiers live in regions with temperate climates and along the bottom of the ocean.
Coelacanth
Devil ray
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What ocean creature is shown in this image?
Black bear
Grizzly bear
Brown bear
Polar bear
Polar bears live throughout the Arctic Circle including Canada, Alaska, Russia and Norway. Sadly, due to global warming, their habitat is shrinking and their population is under pressure. They are the most carnivorous bears found on earth, mostly living on a high-fat diet from their primary source of food, seals.
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What ocean creature is shown in this image?
Hammerhead shark
With its hammer-shaped head, there is no mistaken this unique-looking shark. Interestingly, unlike other shark species, hammerheads will actually swim together in groups.
Great white shark
Goblin shark
Whale shark
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What ocean creature is shown in this image?
Cuttlefish
Octopus
An eight-armed mollusk, an octopus is a wonderful creature that uses a special body part called a siphon for both breathing and propulsion as well. An octopus can expel ink when threatened. They can also squeeze through the narrowest of openings.
Squid
Rock lobster
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What ocean creature is shown in this image?
Razor clam
Oyster
Tortoise
Loggerhead turtle
Sadly, these massive turtles have seen their numbers decreasing as they are often a bycatch in fishing nets. Loggerheads are found mostly in the Mediterranean Sea.
Wiki Commons CC 3.0
What ocean creature is shown in this image?
Black mussel
Conch
Barnacle
From the crustacean family, barnacles attach themselves to rocks, jetties and even living creatures such as whales. There are 1,220 different barnacle species found in the world's oceans.
White mussel
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What ocean creature is shown in this image?
Orca
Whale shark
Reaching up to 40 feet at times, the whale shark is the largest fish found in the ocean. These are filter feeders and do not prey on any other fish. They can live for 70 years and can weigh up to 20 tons.
Great white shark
Sperm whale
Wiki Commons By: Ballista at the English language Wikipedia
What ocean creature is shown in this image?
Sardine
Pilchard
Coelacanth
This primitive prehistoric fish was thought to have died out with the dinosaurs. Then in 1938, one was caught off the coast of South Africa. More have been found, especially off the Comores where they live at depths of up to 2,300m. Coelacanths are considered to be 'living' fossils.
Goblin shark
YouTube
What ocean creature is shown in this image?
Turbot
Dorado
Atlantic gar
Flying fish
With their ability to leap out of the water and glide using their special wing-like fins, flying fish have captured the imagination of seafarers for centuries. The longest period in flight for a fish of this nature is an incredible 45 seconds. Interestingly, there are 64 species of flying fish.
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What ocean creature is shown in this image?
Killer whale
Also known as the Orca, the killer whale is easily recognized thanks to its beautiful black and white markings. These large creatures swim together in pods and have been known to kill great white sharks but generally feed on seals and other fish.
Great white shark
Blue whale
Hammerhead shark
n/a
What ocean creature is shown in this image?
Razor clam
Tube worm
Man o' war
Many people think the Portuguese man o' war is a jellyfish but it is not. It is a siphonophore made up of a host of organisms. They are found mostly in the Atlantic Ocean and can deliver a painful, venomous sting. Interestingly, the shepherd fish is impervious to these stingers and often lives in and amongst them.
Sea cucumber
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What ocean creature is shown in this image?
Gar
With their elongated bodies and long snouts, Gar are easy to identify. The largest of this species, the alligator gar, can grow up 2m in length and weigh around 45 kilograms.
Perch
Chinook salmon
Sardine
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What ocean creature is shown in this image?
White mussel
Black mussel
Giant clam
The largest bivalve mollusk in the ocean, various species are found all over the world. The largest specimen was found in Sumatra in 1817 and weighed 230 kilograms. They feed on algae.
Oyster
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What ocean creature is shown in this image?
Moray eel
Great white shark
Orca
Humpback whale
A giant of the deep, humpback whales can reach up to 16m in length and weigh a staggering 39 tons. These massive mammals are a favorite for whale watchers and are known to "breach," an activity where the whale launches itself out of the water. Incredibly, humpback whales migrate around 25,000km each year.
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What ocean creature is shown in this image?
Tube worm
Moray eel
Lamprey
With their tooth-filled, funnel-shaped mouth used to attach to fish and suck their blood, lamprey have a frightening reputation. Many people think they are part of the eel family but they are actually parasitic fish. There are around 38 known species of lamprey.
Puffer fish
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Wiki Commons CC 2.0
What ocean creature is shown in this image?
Shrimp
Slender seahorse
Sometimes referred to as the longsnout seahorse, they are found in the tropical waters of the Atlantic ocean, the longsnout seahorse grows to around 18cm in length. This seahorse species comes in a range of colors including yellow, brown or white among others. They are easily distinguished thanks to their dark spots that cover their body, no matter their color.
Krill
Prawn
YouTube
What ocean creature is shown in this image?
Porpoise
Whale shark
Manatee
Often called sea cows, manatees can grow to 13 feet in length and weigh up to 1,300 pounds. These slow-moving mammals never leave the water, but like other aquatic mammals must breathe air to survive. Sadly, their numbers have declined over the years due to hunting.
Hippo
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What ocean creature is shown in this image?
White mussel
Giant clam
Oyster
This salt-water bivalve mollusk is a favorite with foodies around the world, either cooked or eaten raw. Some species are farmed for their ability to produce pearls. Oysters are incredibly difficult to open and require a special utensil called a shucking knife.
Black mussel
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What ocean creature is shown in this image?
Crayfish
Jellyfish
Blue bottle
Shrimp
These crustaceans are found all over the world's oceans. There are over 2,000 species. Shrimp are also invertebrates. This means they have no backbone and are omnivorous, eating both algae and plant material as well as fish. Certain species of shrimp are consumed by humans.
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What ocean creature is shown in this image?
Sea rat
Otter
A member of the weasel family, marine otters are found along the western coast of South America. They prey mostly on other sea creatures such as shrimp, crabs and fish. Hunted in the past, these otters are rare but now protected by law in Chile, Argentina and Peru.
Mink
Badger
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What ocean creature is shown in this image?
Hake
Turbot
Cuttlefish
Squid
One of the strangest-looking creatures of the deep, there are over 300 species of squid found in the world's oceans. They come in a variety of sizes, including giant squids which can grow over 40ft long. They protect themselves by releasing ink if they feel threatened or predators are nearby.
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Wiki Commons Public Domain
What ocean creature is shown in this image?
Hake
Goblin shark
Blue whale
Patagonian toothfish
This fish is found in a number of oceans around the world where they live at depths of up to 3,850 meters. They grow up to about 2.3m in length and can weigh up to 10kg, although bigger specimens have been fished.
YouTube
What ocean creature is shown in this image?
Whale fish
Orca
Hammerhead shark
Great white shark
The apex predator of the deep, the great white shark is much maligned. This is because it is responsible for a number of attacks on humans. These, however, are often because the sharks mistake humans for food. Just think how a person in a wetsuit might seem like a seal to a great white. They can grow up to 5 meters in length and weigh over 1000kgs on average.
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What ocean creature is shown in this image?
Razor clam
Lamprey
Moray eel
There are a number of species of this eel, from the Snyder's moray that grows to around 10 cm in length to the slender giant moray that grows up to 4 meters. The heaviest of these eels is the giant moray which grows to around 3 meters and weights 30 kgs. Morays have a reputation for biting, but this comes from divers feeding them and the eels having poor eyesight, thus mistaking fingers for food.
Tube worm
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What ocean creature is shown in this image?
Giant squid
Sperm whale
Did you know that the sperm whale has the largest brain of any creature on earth? Their heads are also filled with a substance known as spermaceti. Scientists aren't exactly sure what it does. Sperm whales grow to around 60ft in length and can weigh up to 45 tons.
Basking shark
Orca
Wiki commons
What ocean creature is shown in this image?
Gar
Barracuda
These sleek, fearsome fish can reach up to 7 feet in length. They in live tropical and subtropical waters near reefs where they feed on fish of all sizes, using their impressive speed to catch their prey and tear them to shreds with their sharp teeth.
Yellowfin tuna
Cod
n/a
What ocean creature is shown in this image?
Clam
Hermit crab
Barnacle
Coral
Living in colonies, coral are marine invertebrates that join together to form reefs in the ocean. Most coral feed through photosynthesis although some larger species have been known to catch and devour small fish.
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Wiki Commons CC 2.0
What ocean creature is shown in this image?
Hermit crab
Spider crab
Razor clam
Giant sea star
Also referred to as the giant spined star, this species of starfish is found along the coast of California right up to British Columbia. These starfish can grow up to 60cm in diameter and come in an array of colors including red, brown and even purple.
n/a
What ocean creature is shown in this image?
Walrus
Beaver
Gray Atlantic seal
Found in the North Atlantic, these seals grow up to 3.3m long and can weigh over 300 kgs. There are easily identified thanks to their large snouts and by the fact that they do not have external ear flaps.
Marine otter
Wiki Commons Public Domain By: Perry Bill, U.S. Fish and Wildlife Service
What ocean creature is shown in this image?
Horseshoe crab
These invertebrates are easy to identify thanks to their outer shells that look like a horseshoe. Their blood, which is blue in color, is actually harvested to make limulus amebocyte lysate. This is used to make medical products. Over 500,000 crabs are bled a year, a process which does not kill them.
Rock lobster
Shrimp
Prawn
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What ocean creature is shown in this image?
Hermit crab
Starfish
Krill
Found throughout the oceans of the world, krill are very small crustaceans which are a staple food for whales, penguins, fish, squid and seals among others.
Lobster
You Got:
/50
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