Crown of Thorns Starfish Facts

The Great Barrier Reef faces threats from rising sea temperatures and the crown of thorns starfish, which consumes coral. However, the giant triton, a large sea snail, preys on these starfish, offering hope for the reef's survival. The triton uses scent to track its prey and has developed a tolerance to the starfish's toxins, making it an effective predator.

What is one of the main threats to the Great Barrier Reef?

• Overfishing

• Rising sea temperatures

• Pollution from ships

• Invasive plant species

How much coral can a single crown of thorns starfish consume in a year?

• 40 square feet

• 20 square feet

• 10 square feet

• 30 square feet

What is a notable feature of the crown of thorns starfish that helps it survive?

• Fast swimming speed

• Camouflage abilities

• Ability to regenerate limbs

• Venomous spines

What is the primary diet of juvenile crown of thorns starfish?

• Small fish

• Coral

• Seaweed

• Plankton

Which sea creature is a natural predator of the crown of thorns starfish?

• Giant triton

• Sea turtle

• Dolphin

• Shark

How does the giant triton locate its prey?

• By sound

• By vibrations

• By scent trails

• By sight

What adaptation allows the giant triton to consume the crown of thorns starfish?

• Paralyzing saliva

• Fast movement

• Strong shell

• Sharp teeth

What organ does the giant triton use to consume its prey?

• Claws

• Beak

• Tentacles

• Radula

What is left behind after the giant triton consumes a starfish?

• Nothing

• An empty husk

• A pile of bones

• A shell

What is the size range of a giant triton?

• Up to 1 foot

• Over 1.5 feet

• Up to 2 feet

• Over 2.5 feet