cribrihabitans marinus cribrihabitans marinus cribrihabitans marinus is a gram-negative bacterium from the genus of cribrihabitans which has been isolated from biofilm from a marine recirculating aquaculture system in tianjin in china. cribrihabitans marinus scientific classification domain: bacteria phylum: pseudomonadota class: alphaproteobacteria order: rhodobacterales family: rhodobacteraceae genus: cribrihabitans species: c. marinus binomial name cribrihabitans marinuschen et al. 2014 type strain cgmcc 1.13219, jcm 19401, strain cz-am5