Aquatic Wildlife Trivia
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Sample Aquatic Wildlife Quiz Questions
A mix of easy, medium and hard — questions run from warm-up to expert, so there's a real challenge at every level. Think you know the answers? Play to find out.
These tiny marine animals with tentacles are the primary builders of coral reefs, secreting calcium carbonate to form hard skeletons.
Difficulty: Easy- Sea anemones
- Jellyfish
- Coral polyps
- Starfish
This gland in octopuses triggers the physiological changes that lead to senescence and death after reproduction.
Difficulty: Medium- Ink gland
- Optic gland
- Salivary gland
- Digestive gland
The Xenacanthiformes, an extinct order of freshwater sharks, possessed this distinctive morphological feature that distinguished them from marine relatives.
Difficulty: Hard- A single dorsal spine projecting backward
- Flattened body shape for river bottoms
- Lungs for surviving in stagnant water
- Reduced pectoral fins for riverine movement
This massive marine mammal holds the title as the largest animal to ever exist on Earth.
Difficulty: Easy- Blue whale
- Sperm whale
- Humpback whale
- Gray whale
This coral reproductive strategy involves fertilization and larval development occurring inside the parent polyp before releasing fully-formed larvae.
Difficulty: Medium- Broadcast spawning
- External brooding
- Internal brooding
- Planktonic development
This pioneering British neurophysiologist conducted extensive studies on octopus learning and memory at the Naples Zoological Station from the 1950s-1970s.
Difficulty: Hard- Martin Wells
- John Zachary Young
- Brian Boycott
- Malcolm Nixon
This massive filter-feeder holds the record as the largest fish in the ocean, reaching lengths of up to 40 feet.
Difficulty: Easy- Whale shark
- Great white shark
- Basking shark
- Megamouth shark
This feeding technique used by humpback whales involves blowing a circular wall of bubbles to trap fish before lunging through the center.
Difficulty: Medium- Circle feeding
- Trap netting
- Bubble-net feeding
- Ring hunting
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