Sentences with phrase «by sea lice»
«Fish have a limited number of resources to respond to an illness so their immune system makes choices — when they're infected by sea lice, for example, the fish's immune system is suddenly geared to respond to that specific threat, leaving them totally exposed to other threats like P. salmonis,» said Dixon, a Canada Research Chair in Fish and Environmental Immunology.
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Not to be confused with an itchy, stinging rash caused by jellyfish larvae, these sea lice are planktonic marine parasites which feed on many types of fish.