ichthyobacterium seriolicida ichthyobacterium seriolicida ichthyobacterium seriolicida is a species of bacteria that was isolated from a diseased yellowtail fish (seriola quinqueradiata). ichthyobacterium seriolicida scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: ichthyobacteriaceaetakano et al. 2016 genus: ichthyobacteriumtakano et al. 2016 species: i. seriolicida binomial name ichthyobacterium seriolicidatakano et al. 2016 type strain atcc baa-2465jbka-6jjcm 18228