No your wrong, the best bait for a red snapper is a pilchard.
leaches
whenever i go fishing i like to use tiny bits of hot dogs.
Lure
Live minnows work best, but many are taken on the various type of jigs, made for this species, that imitate minnows.
You need to be more specific as to what species??
yes, you do put bait on a fishing hook.
cod 4 is a pretty good game cod 5 is better
If you mean bait for fishing, there is none. You just use the fishing rod.
Fishing bait
Yes, in the northeast (USA) they are known by the name "killies" and are the best bait for fluke fishing.
the best bait for coarse fishing would be maggots ,red ones are preferred for some reason the fish seem to go for them more often and in the colder times like November or October use pellets and boilies with ground-bait to attract the fish better.
blood worms during the day and sardines at night