Fish of one species being passed off for as another is reported to be common.
Reasons for misidentification:
(1) intentional fraud (passing off a cheaper species as a more expensive one)
(2) error in initial identification
(3) error in supply change
(4) language barriers, with loss in translation
Types of misidentification:
(1) selling fish of one species as another (species)
(2) selling farm-raised fish as wild caught (source)
(3) selling frozen or stored fish as fresh (fresh)
Ways to avoid misidentified fish:
(1) catch it yourself
(2) buy only from trusted fish mongers
(3) have some method of tracing in the supply chain (bitcoin, RFID, other)
(4) become familiar with the various types of fish
(5) have molecular method available for species identification
