Mottled Conger Moray was created in 1926.
Australian mottled moray was created in 1895.
Conger Eels by genus grow up to 3m in length, while Moray Eels can reach 4m. Each family has over 150 varieties, so answering this isn't straightforward. However in terms of which family can reach the largest length, Moray wins.
European conger was created in 1758.
American conger was created in 1818.
Cape conger was created in 1801.
Natural predators of octopus are moray and conger eels, dolphins and sharks. - From a Google search.sharks
Daggertooth pike conger was created in 1775.
A. Conger Goodyear House was created in 1938.
Mottled Umber was created in 1759.
Mottled Petrel was created in 1844.
Mottled Beauty was created in 1758.
Mottled Pug was created in 1813.