arsenicicoccus piscis arsenicicoccus piscis arsenicicoccus piscis is a gram-positive bacteria from the genus arsenicicoccus which has been isolated of the gut of the fish sillago japonica from awa in japan. arsenicicoccus piscis scientific classification domain: bacteria phylum: actinomycetota class: actinomycetia order: micrococcales family: dermatophilaceae genus: arsenicicoccus species: a. piscis binomial name arsenicicoccus piscishamada et al. 2010 type strain dsm 22760kis4-19 nbrc 105830