Fish Biology
Fish breathe using these organs.
What are gills?
Salmon are 'anadromous,' meaning they are born in freshwater, live in the ocean, and return here
to spawn.
What is freshwater?
The orange clownfish in Finding Nemo is this species.
What is a clownfish?
This fish is the most common pet kept in bowls or tanks.
What is a goldfish?
The largest fish in the world.
What is a whale shark?
The group of animals that includes fish, amphibians, reptiles, birds, and mammals is called this.
What are vertebrates?
The anglerfish uses this glowing body part to lure prey in the deep sea.
What is a bioluminescent lure?
In Greek mythology, Aphrodite and Eros turned into these animals to escape a monster.
What are fish?
Sushi often contains raw fish, commonly this species.
What is tuna/salmon?
The fastest fish, the sailfish, can swim about this many miles per hour.
What is 68 mph?
Most fish have this kind of body covering.
What are scales?
Fish that can live in both freshwater and saltwater environments are called this.
What are euryhaline fish?
The Japanese koi fish is a symbol of this virtue.
What is perseverance/courage?
Overfishing is a problem because it reduces this—the total number of fish available in an
ecosystem.
What is population/stock?
This fish makes the longest freshwater migration in the world, traveling over 3,000 miles.
What is the European eel?
Fish have a line of sensory organs along their sides called this, which helps detect vibrations in water.
What is the lateral line?
Coral reefs are often called this nickname because they have so much biodiversity.
What are the rainforests of the sea?
The Loch Ness Monster, said to live in a Scottish lake, is often imagined as this type of creature.
What is a plesiosaur/fishlike monster?
A fish farm used to raise fish for food is called this.
What is aquaculture?
The heaviest bony fish in the world is this sun-shaped giant.
What is the ocean sunfish (mola mola)?
The study of fish is known as this branch of zoology.
What is ichthyology?
The Greenland shark can live for up to this many years, making it one of the longest-living
vertebrates.
What is 400+ years?
This ancient, armored fish from the Devonian period was one of the first jawed fish.
What is Dunkleosteus?
Cod liver oil is especially rich in these two vitamins.
What are vitamins A and D?
This prehistoric-looking fish, found in deep oceans, was thought extinct until rediscovered in
1938.
What is the coelacanth?