(6 max): Transcriptomics (6 max): transcriptomic 16S rRNA Aquaculture Bacteria Biodegradation Cell death Fatty acids Fish Fish farming Fish farms Functional profiling Gene expression Genes expression Growing conditions Metabarcoding Microbiome Microbiota Microbiotas Morpho Norway Porifera RNA Sulfur compounds Weberella apoptosis benthos biodegradation epifauna finfish