Definition –
spearfishing(Noun) a form of fishing in which the fisherman attempts to impale the fish upon a spear, which can be thrust or thrown by hand, or with a spear gun.

Spearfishing Companys | Seriously click it

Hmm… so what do you need? To start a Mask, Snorkel, Fins, (totally recommend dive knife) but understand it’s an additional snag hazard as well as tool to cut things with. Then you’ll need a Speargun! Or PoleSpear 😉 both are amazing devices used to help harvest fish.