The animal that has two pairs of fins is the bony fish, specifically those belonging to the class Actinopterygii. Most bony fish possess a pair of pectoral fins located on the sides of their bodies and a pair of pelvic fins located further back, both of which help with swimming and maneuverability. These fins are essential for balance and stability in the water.
there are none.
Paired fins are fins found in pairs on both sides of a fish's body. These fins play a crucial role in stability, maneuvering, and steering. Examples of paired fins include pectoral fins and pelvic fins.
fish
The ones in pairs are: pelvic fins and pectoral fins.
there a part of a fish that makes them swim
a fish
A reptile?
I do not know of any mammal (mammals are the only animals to have hair) that has fins (fins are the preserve of fishes), but a sea-lion is an animal that is covered in hair and has "flippers".
2 fins
Animals that use fins to move are whales, dolphins, sharks, and various types of fish. A fin will generate thrust and propel the animal through the water.
23 pairs
Every one on Earth went in pairs. We can't list the whole animal kingdom here. Actually it was 7 pairs of clean animals (with 4 hooves) 7 pairs of unclean animals (no hooves) and 2 of each type to have them mate.