Suitability of clove oil for the euthanasia of four ornamental fish species: Goldfish (Carassius auratus), Bristlenose catfish (Ancistrus sp.), Midas cichlid (Amphilophus citrinellus) and Three-spot gourami (Trichopodus trichopterus)
Livia Brülhart, Lara Czichelski, Gary Delalay, Nicolas Diserens
This study evaluates clove oil as an alternative euthanasia method for four ornamental fish species, finding it unsuitable for goldfish and Midas cichlid due to unreliable effects and severe gill damage.
bioRxiv · Nov 2, 2026 · PreprintZoology