Wiktionary
n. (taxlink Helostoma temminckii species noshow=1), a large tropical freshwater fish. They are commercial food fish which are farmed in their native Southeast Asia, and are also popular with aquarium for the fish's peculiar "kissing" behaviour.
Wikipedia
Kissing gouramis, also known as kissing fish or kissers (Helostoma temminckii), are large tropical freshwater fish comprising the monotypic labyrinth fish family Helostomatidae (from the Greek elos [stud, nail], stoma [mouth]). These fish originate from Thailand to Indonesia. They can be food fish which are farmed in their native Southeast Asia. They are used fresh for steaming, baking, broiling, and pan frying. The kissing gourami is a popular aquarium fish.