what do longfin eels eat
Food. Longfin eels are omnivores. This means they are general or opportune feeders â eating both plant and animal life, depending on whatâs available. As elvers, they mostly eat insect larvae, worms and water snails. As they get bigger, their diet includes small fish, crayfish and small birds, such as ducklings.e also have a recently introduced longfin eel from Australia (Anguilla reinhardtii). Longfin eels can be identified because the dorsal (top) fin is longer and extends further forward than the anal (bottom) fin. In the shortfin species, the dorsal and anal fins are of a similar length.