The ones in pairs are: pelvic fins and pectoral fins.
There are two sets of "paired" fins. The ones on each side of the fish behind the gills are the "Pectoral Fins" and the ones in front of the fishes vent on the underside of the fish are the "Ventral Fins". Sometimes these fins are wrongly refered to as "Pelvic Fins".
The paired fins (pectoral and pelvic) are the nearest things fish have to limbs.
Some do, some don't. Most of the time they do. $
Yes. Wobbegongs are sharks, and need to be able to move freely in the water, so they do have fins. They have short caudal fins and much broader pectoral and pelvic fins.
It is the theory that paired fins arose in jawed fishes from the evolution of ventrolateral skin folds in jawless, basal fishes. The folds then separated and specialized to form the paired pectoral and pelvic fins in more evolved fishes.
There are many fins on a goldfish that act in stabilization. The two major ones are the pelvic and pectorals. The anal fins also help in stabilization but they don't play as large of a role in it.
They are on the Ventral side, but you probably mean the Pelvic fins and possibly anal fin, depending on the fish species These links provided below may help you :)
Male sharks have reproductive organs called "claspers", which are attached to the pelvic fins.
Its main function is to propel itself when swimming. This is different from sharks since they use their caudal fins as its main propulsion force.
dorsal fins
fins!