Australian Marine Life MCQs with Answer

What is the largest species of shark found in Australian waters?
a) Bull shark
b) Tiger shark
c) Great White shark
d) Hammerhead shark
Answer: c) Great White shark

Which of the following is a venomous marine creature commonly found in Australia?
a) Blue-ringed octopus
b) Box jellyfish
c) Cone snail
d) Stonefish
Answer: b) Box jellyfish

What is the main diet of the dugong, a marine mammal found in Australian waters?
a) Fish
b) Seagrass
c) Squid
d) Plankton
Answer: b) Seagrass

Which of the following is a type of sea turtle commonly found along the Australian coastline?
a) Loggerhead turtle
b) Leatherback turtle
c) Olive ridley turtle
d) Hawksbill turtle
Answer: a) Loggerhead turtle

What is the largest species of bony fish found in Australian waters?
a) Barramundi
b) Mackerel
c) Sunfish
d) Tuna
Answer: c) Sunfish

Which of the following is known as the “Great Barrier Reef Clownfish”?
a) Percula clownfish
b) Tomato clownfish
c) Maroon clownfish
d) Barrier Reef clownfish
Answer: a) Percula clownfish

What is the largest species of prawn found in Australian waters?
a) Tiger prawn
b) King prawn
c) Banana prawn
d) Spot prawn
Answer: b) King prawn

Which species of whale is known for its spectacular acrobatic displays off the Australian coast?
a) Humpback whale
b) Blue whale
c) Orca (killer whale)
d) Sperm whale
Answer: a) Humpback whale

What type of marine creature is the Port Jackson shark?
a) Hammerhead shark
b) Bull shark
c) Carpet shark
d) Goblin shark
Answer: c) Carpet shark

Which of the following is a common species of crab found in Australian mangroves?
a) Fiddler crab
b) Snow crab
c) Blue crab
d) Coconut crab
Answer: a) Fiddler crab

What is the largest species of cuttlefish found in Australian waters?
a) Flamboyant cuttlefish
b) Giant cuttlefish
c) Broadclub cuttlefish
d) Sepia cuttlefish
Answer: b) Giant cuttlefish

Which of the following is a venomous sea snake commonly found in Australian seas?
a) Yellow-bellied sea snake
b) Olive sea snake
c) Tiger sea snake
d) Black-banded sea snake
Answer: a) Yellow-bellied sea snake

What is the main prey of the Australian sea lion?
a) Fish
b) Squid
c) Penguins
d) Seabirds
Answer: a) Fish

Which of the following is a type of soft coral commonly found on the Great Barrier Reef?
a) Brain coral
b) Staghorn coral
c) Gorgonian coral
d) Leather coral
Answer: c) Gorgonian coral

What is the largest species of jellyfish found in Australian waters?
a) Box jellyfish
b) Lion’s mane jellyfish
c) Irukandji jellyfish
d) Blue blubber jellyfish
Answer: b) Lion’s mane jellyfish

Which of the following is a common species of seahorse found in Australia?
a) Long-snouted seahorse
b) Potbelly seahorse
c) Big-belly seahorse
d) Pygmy seahorse
Answer: c) Big-belly seahorse

What is the name of the iconic giant clam found in the Great Barrier Reef?
a) Tridacna maxima
b) Tridacna crocea
c) Tridacna gigas
d) Tridacna squamosa
Answer: c) Tridacna gigas

Which of the following is a species of Australian lobster with a distinctive blue color?
a) Slipper lobster
b) Painted lobster
c) Blue spiny lobster
d) Rock lobster
Answer: c) Blue spiny lobster

What is the main diet of the Australian fur seal?
a) Fish
b) Squid
c) Krill
d) Seabirds
Answer: a) Fish

Which of the following is a species of venomous cone snail found in Australian waters?
a) Textile cone snail
b) Geographer cone snail
c) Magician cone snail
d) Geography cone snail
Answer: a) Textile cone snail

What is the name of the large predatory fish found in Australian waters, known for its distinctive teeth?
a) Barracuda
b) Wahoo
c) Spanish mackerel
d) King mackerel
Answer: a) Barracuda

Which species of dolphin is commonly found in Australian coastal waters and estuaries?
a) Bottlenose dolphin
b) Spinner dolphin
c) Risso’s dolphin
d) Common dolphin
Answer: a) Bottlenose dolphin

What is the primary food source for the Australian pelican?
a) Fish
b) Insects
c) Small mammals
d) Plankton
Answer: a) Fish

Which of the following is a common species of shrimp found in Australian coastal waters?
a) Mantis shrimp
b) Cleaner shrimp
c) Pistol shrimp
d) Harlequin shrimp
Answer: a) Mantis shrimp

What is the name of the shark species often referred to as the “whale shark”?
a) Zebra shark
b) Nurse shark
c) Leopard shark
d) Gray reef shark
Answer: a) Zebra shark

Which of the following is a common species of ray found in Australian waters?
a) Stingray
b) Electric ray
c) Manta ray
d) Eagle ray
Answer: c) Manta ray

What is the name of the colorful parrotfish found on the Great Barrier Reef?
a) Blue parrotfish
b) Rainbow parrotfish
c) Yellow parrotfish
d) Green parrotfish
Answer: b) Rainbow parrotfish

Which of the following is a common species of angelfish found in Australian coral reefs?
a) Emperor angelfish
b) Coral angelfish
c) Regal angelfish
d) Flame angelfish
Answer: a) Emperor angelfish

What is the name of the venomous fish with sharp spines found in Australian waters?
a) Stonefish
b) Lionfish
c) Pufferfish
d) Scorpionfish
Answer: a) Stonefish

Which of the following is a common species of eel found in Australian estuaries?
a) Moray eel
b) Electric eel
c) Conger eel
d) Ribbon eel
Answer: c) Conger eel

What is the name of the small, colorful fish commonly found in coral reefs, known for its symbiotic relationship with anemones?
a) Clownfish
b) Goby
c) Damsel fish
d) Surgeonfish
Answer: a) Clownfish

Which of the following is a species of sea urchin found in Australian waters?
a) Crown-of-thorns starfish
b) Diadema urchin
c) Long-spined sea urchin
d) Pencil urchin
Answer: c) Long-spined sea urchin

What is the main diet of the Australian humpback dolphin?
a) Fish
b) Squid
c) Crustaceans
d) Seabirds
Answer: c) Crustaceans

Which of the following is a common species of hermit crab found in Australian waters?
a) Coconut crab
b) Blue hermit crab
c) Giant hermit crab
d) Pagurian hermit crab
Answer: b) Blue hermit crab

What is the name of the shark species known for its elongated, slender body and long tail?
a) Thresher shark
b) Nurse shark
c) Lemon shark
d) Blacktip shark
Answer: a) Thresher shark

Which of the following is a species of octopus found in Australian waters that is known for its intelligence and problem-solving abilities?
a) Blue-ringed octopus
b) Common octopus
c) Mimic octopus
d) Veined octopus
Answer: b) Common octopus

What is the main prey of the Australian sea snake?
a) Fish
b) Squid
c) Eels
d) Crustaceans
Answer: a) Fish

Which of the following is a species of seagull commonly found along the Australian coastline?
a) Silver gull
b) Black-headed gull
c) Pacific gull
d) Crested tern
Answer: a) Silver gull

What is the name of the large, filter-feeding marine mammal often seen in Australian waters, characterized by its baleen plates?
a) Humpback whale
b) Minke whale
c) Bryde’s whale
d) Blue whale
Answer: d) Blue whale

Which of the following is a species of crab found in Australian mangroves that is known for its distinctive red color?
a) Red-clawed crab
b) Red king crab
c) Red mangrove crab
d) Red rock crab
Answer: c) Red mangrove crab

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