Definition: A lecaniid is a type of fish that belongs to the family Caniformes. These are marine fish with a streamlined body and long fins, such as salmonidfish (like salmon) and eelids (like eels). They have a relatively short lifespan compared to some other fish species, often living for only a few years or less in captivity. Lecaniid fish are known for their unique appearance, including their distinctive black and white stripes on the back, a large mouth,