Definition of Frankenfish in English:

Frankenfish

noun

informal
  • 1A genetically modified fish.

    • ‘That project raises outraged cries from commercial fishermen, who believe the larger Frankenfish will decimate wild species of salmon with their precious genetic inheritance, which has evolved over millennia.’
    • ‘Be it a flick about a killer Python, or Boa, or a Boa vs. Python, or a Frankenfish, or giant Komodo dragons, sharks, and dinosaurs, the resulting creature is always a joke.’
    • ‘Against this Frankenfish background, even the most experimental fish farm in Britain looks relatively benign.’
    • ‘Detractors call them Frankenfish and warn they could permanently tilt the balance of nature.’
    • ‘If even a few of these Frankenfish escape, the damage could be extensive.’
  • 2The northern snakehead, so dubbed for its voracious appetite and ability to survive adverse conditions.

    • ‘Right now, nobody knows how to rid the Potomac of Frankenfish, but bass anglers are eager to do anything and everything they can to help.’
    • ‘Also known as Frankenfish, this invasive species is a voracious predator that eats almost anything, so its possible spread has biologists worried.’
    • ‘Nicknamed the Frankenfish, the snakehead is capable of breathing air, slithering over land, and surviving three days outside the water, magnifying its ability to move from one habitat to another.’

Origin

From Franken(stein) and fish.

Pronunciation:

Frankenfish

/ˈfraNGkənˌfiSH/