Catfish are mostly freshwater inhabitants and are found on almost every continent. Their size can vary from a couple of inches to more than eight feet long, the size of the largest Mekong giant catfish ever caught. Take this quiz and learn more about big catfish.
How many species of catfish exist in the world?
Where do most catfish live?
either of the above
Where in the water do catfish tend to dwell?
near the surface
at medium depths
on the bottom
Which of the following fish have no scales?
What constitutes the outer covering of a catfish?
smooth or hard bony flesh
How did the catfish get its name?
from its barbels
from its bony flesh
from its skin
What is the function of the catfish's barbels?
They help the fish to locate the bottom of the river.
They help the fish to hear.
They help the fish to find food.
What is the name of the biggest catfish ever caught?
How big was the largest catfish ever caught?
8 feet 8 inches
8 feet 9 inches
8 feet 10 inches
What is the weight of the heaviest Mekong giant catfish?
Where was the largest catfish caught?
When was the biggest Mekong giant catfish caught?
How long is the Mekong River?
What is the total land area covered by the Mekong river basin?
695,000 square kilometers
795,000 square kilometers
895,000 square kilometers
The Mekong River basin is shared by ____ countries.
What is the average life span of Mekong giant catfish in the wild?
more than 60 years
more than 50 years
more than 40 years
Full-grown adult Mekong giant catfish lack:
both of the above
Which catfish turn cannibal?
newly hatched fry
fully grown catfish
During the past century, the adult Mekong giant catfish population has declined by: