If it were possible to live without causing harm to any living being at all, then indeed we might well choose not to eat carrots or other vegetables. But that is not possible - merely by being alive, we necessarily cause harm to many, many beings: we step on them inadvertently, we breathe them in without noticing, we kill them when we brush our teeth or wash our bodies, etc.
Sharon GannonAs humans, we do get to choose what we eat, and when we choose to eat a plant, we are eating (i.e., harming) just that plant, plus indirectly whatever nutrients that plant consumed over its lifetime (and we are also harming whatever beings may have been living on that plant or who were injured or killed in the harvesting process). But when we eat an animal, we are eating not just that animal, but also indirectly all of the plants and other beings that that animal ate over its lifetime - those plants became the flesh that we eat.
Sharon GannonToday's fishing industry supplies land farms with fish as well. Over fifty percent of the fish caught is fed to livestock on factory farms and "regular" farms. It is an ingredient in the enriched "feed meal" fed to livestock. Farm animals, like cows, who by nature are vegans, are routinely force-fed fish as well as the flesh, blood, and manure of other animals. It may take sixteen pounds of grain to make one pound of beef, but it also takes one hundred pounds of fish to make that one pound of beef.
Sharon GannonWhatever you want to have happen to you make it happen for others now and eventually but inevitably you will reap the seeds you have sown.
Sharon Gannon