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31 Aquatic and Marine Life Marvels

Do you know what lurks beneath the waves and the mysteries held in the depths of the ocean? Take this quiz to rediscover the marvels of aquatic and marine life! The underwater world is home to some of Earth’s most fascinating and unique creatures. Discover how these diverse marine species live and thrive in their unique ecosystems and the quirky facts that make them so intriguing.

From the tiniest plankton to the majestic whales, the marvels of the ocean are endless. Whether it’s the colorful coral reefs or the mysterious ocean depths, these trivia questions will challenge your understanding of marine biodiversity and environmental significance.

Are you looking for more trivia? Dive into our birds, land mammals, and insects trivia to expand your knowledge of Earth’s incredible biodiversity.

Check out similar quizzes:

The false anemonefish is better known as which species?

Yellowtail snapper

Yellowtail snapper

Sand shark

Sand shark

Lionfish

Lionfish

Clownfish

Clownfish

Do animals underwater breathe oxygen?

Impossible To Say

Impossible To Say

Yes

Yes

No, Only Hydrogen

No, Only Hydrogen

No, Only Nitrogen

No, Only Nitrogen

Which name is also used for the Araguaia river dolphin?

Boto

Boto

Bolo

Bolo

Bata

Bata

Bana

Bana

Brown Fur Seals have been known to dive to depths of how many meters when foraging?

100m

100m

350m

350m

200m

200m

500m

500m

What color is a great white shark?

Brown

Brown

Orange

Orange

Grey

Grey

Pink

Pink

In the wild, a hammerhead shark can grow to be how many feet long?

20 feet

20 feet

5 feet

5 feet

15 feet

15 feet

10 feet

10 feet

Which other marine mammal preys on the bottlenose dolphin?

Whale shark

Whale shark

Great White Shark

Great White Shark

Killer Whales

Killer Whales

Walrus

Walrus

How many teeth does an Araguaia river dolphin have in each jaw?

4

4

14

14

34

34

24

24

A fingernail-like material called baleen is attached to which part of a blue whale?

Tail

Tail

Jaw

Jaw

Blowhole

Blowhole

Flipper

Flipper

Commercial Antarctic krill fishing began in which decade?

1960s

1960s

1940s

1940s

1950s

1950s

1970s

1970s

The largest Dumbo Octopus found was how long?

3.5m

3.5m

0.9m

0.9m

1.8m

1.8m

2.9m

2.9m

Which is the largest animal which feeds on the Antarctic krill?

Penguin

Penguin

Blue whale

Blue whale

Seal

Seal

Polar Bear

Polar Bear

Which crustacean has a snapping claw that fires bubbles and can register a volume of 210 decibels?

Torpedo Crab

Torpedo Crab

Pistol Shrimp

Pistol Shrimp

Cannon Scampi

Cannon Scampi

Bomb Lobster

Bomb Lobster

Araguaia river dolphins are usually grey, but can be which other color?

Green

Green

Brown

Brown

Black

Black

Pink

Pink

Amphipods are which type of animals?

Crustaceans

Crustaceans

Mammals

Mammals

Marsupials

Marsupials

Reptiles

Reptiles

It is thought that fish form shoals to assist which type of feeding behaviour?

Trawling

Trawling

Scavenging

Scavenging

Foraging

Foraging

Hunting

Hunting

What is the name for a group of hammerhead sharks?

Class

Class

School

School

Herd

Herd

Flock

Flock

What other name, associated with food, is used for the Chokka squid?

Candy

Candy

Chicken

Chicken

Cucumber

Cucumber

Calamari

Calamari

What color is the grey whale?

Grey

Grey

Black

Black

White

White

Blue

Blue

Which sort of water does the goatfish live in?

Swimming pools

Swimming pools

Rivers

Rivers

Saltwater

Saltwater

Lakes

Lakes

What word is used to describe fish which swim in shoals all of the time?

Facultative

Facultative

Arthropod

Arthropod

Obligate

Obligate

Cetacean

Cetacean

During migration, humpback whales are known to travel how many miles?

6000

6000

16000

16000

12000

12000

2000

2000

What is the upper limit of tonnes of Chokka squid are caught every year?

6000

6000

13000

13000

1000

1000

4000

4000

A blue whale can weigh up to how many tons?

50 tons

50 tons

200 tons

200 tons

100 tons

100 tons

400 tons

400 tons

The hairy angler fish was first caught in waters off which island group?

Canary Islands

Canary Islands

Galapagos Islands

Galapagos Islands

Hawaii

Hawaii

Cape Verde

Cape Verde

Adult bottlenose dolphins consume around how many kilos of food per day?

25kg

25kg

20kg

20kg

6kg

6kg

12kg

12kg

North Atlantic stocks of herring collapsed in which decade?

1920s

1920s

1980s

1980s

1940s

1940s

1960s

1960s

Orca is another name for which whale?

Blue

Blue

Pilot

Pilot

Beluga

Beluga

Killer

Killer

Which water animal has the strongest bite?

Great White Shark

Great White Shark

Killer Whale

Killer Whale

Crocodile

Crocodile

Hippo

Hippo

Which large fish often feeds on smaller coral reef fish?

Tuna

Tuna

Marlin

Marlin

Swordfish

Swordfish

Barracuda

Barracuda

What do Chokka squid feed on?

Eels

Eels

Crustaceans

Crustaceans

Seaweed

Seaweed

Jellyfish

Jellyfish

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Find all our questions on this topic in this quiz: 101 Animal Trivia Questions That Will Make You Go Wild

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