Fun fish facts
Gill structures
100

This is the biggest fish in the world

what is the Whale shark

100

This structure takes oxygen into the blood

what are Gill Filaments

200

This fish can stay on land for up to 2 days

What are Mudskippers

200

This structure of the gill prevents food from getting into the gill filaments.

What are gill rakers?

300

The Texas State fish

What is the Guadalupe Bass

300

The half-moon structure that holds the gill together.

What is the Gill arch?

400

Deepest fish ever found

What is the snailfish

400

The bony flap that protects the gills from harm

What is the Operculum