chryseobacterium tructae chryseobacterium tructae chryseobacterium tructae is a gram-negative and rod-shaped bacteria from the genus of chryseobacterium which has been isolated from the rainbow trout oncorhynchus mykiss. chryseobacterium tructae scientific classification domain: bacteria phylum: bacteroidota class: flavobacteriia order: flavobacteriales family: weeksellaceae genus: chryseobacterium species: c. tructae binomial name chryseobacterium tructaezamora et al. 2013 type strain 1084-08, ccug 60111, cect 7798 synonyms chryseobacterium plurextorum