Easy Fish Trivia Questions
Where are fish abundant?
A: In most bodies of water.
Fish can be found in nearly all what?
A: Aquatic environments.
How many described species are there?
A: 33,100.
Fish exhibit greater species “what” than any
other group of vertebrates?
A: Diversity.
Fish are an important resource for humans
worldwide, especially as what?
A: Food.
Fish range in size from the huge 52 ft whale
shark to the tiny 0.3 in what?
A: Stout infantfish.
Fish species diversity is roughly divided
equally between what?
A: Marine (oceanic) and freshwater ecosystems.
Most fish exchange gases using what?
A: Gills.
Fish exchange gases by pulling what through
their mouths and pumping it over their gills?
A: Oxygen-rich water.
Amphibious fish such as the mudskipper can live
and move about on land for up to how long?
A: Up to several days.
As with many aquatic animals, most fish release
their nitrogenous wastes as what?
A: Ammonia.
Fish typically have quite small “what” relative
to body size compared with other vertebrates?
A: Brains.
Most fish possess highly developed what?
A: Sense organs.
Nearly all daylight fish have color vision that
is at least as good as what?
A: A human's.
Many fish also have chemoreceptors that are
responsible for extraordinary senses of what?
A: Taste and smell.
Some fish, such as catfish and sharks, have
organs that detect what?
A: Weak electric currents.
Fish eyes are similar to those of terrestrial
vertebrates like what?
A: Birds and mammals.
Fish reproductive organs include what?
A: Testicles and ovaries.
In over 97% of all known fish, the eggs develop
where?
A: Outside the mother's body.
Some species of fish use what to remove external
parasites?
A: Cleaner fish.
Overfishing is a major threat to what?
A: Edible fish such as cod and tuna.
Historically and today, most fish protein has
come by means of catching what?
A: Wild fish.
Fish feature prominently in movies such as what
Disney animated movie?
A: Finding Nemo.