Which species belongs to the Trachichthyidae family, commonly known as the slimehead family?
Answer
Orange Roughy (Hoplostethus atlanticus)
The Orange Roughy, scientifically known as Hoplostethus atlanticus, is classified under the family Trachichthyidae. This family is commonly referred to as the slimehead family. This taxonomic distinction is crucial as it places Orange Roughy in a completely different biological lineage compared to Ocean Perch, which is a rockfish belonging to the genus Sebastes. The common reference to Orange Roughy as 'deep sea perch' further complicates identification, although its true kinship is definitively with the slimeheads.

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