White and light tuna are different species of fish. Only albacore tuna (Thunnus alalunga) is considered white tuna, while a number of species can be considered light tuna. Clover Leaf light tuna is either Skipjack (Katsuwonis pelamis) or Yellowfin tuna (Thunnus albacares) – the species will be noted on the can. There is a noticeable difference in colour and flavour between white and light tuna.