Do you kill invasive insects? Frankly, a shrimp or a lobster is pretty much on a level with a cockroach, when you get down to neural complexity and everything relevant to moral vegetarianism, as opposed to vegetarianism for health reasons.
Bony fish are not much more complex.
Things like sea cucumber don't even have brains: They have nerves, but they lack any centralized structure for them to converge on. Same with jellyfish.
So I suppose my point is that it isn't a dumb question, at least if you're a vegetarian for moral reasons related to killing a living being with emotions.
You make a very good point, and if you excuse my snarkiness, I shall now describe myself as "an exclusive consumer of plant cells" instead of "vegetarian."
Do you kill invasive insects? Frankly, a shrimp or a lobster is pretty much on a level with a cockroach, when you get down to neural complexity and everything relevant to moral vegetarianism, as opposed to vegetarianism for health reasons.
Bony fish are not much more complex.
Things like sea cucumber don't even have brains: They have nerves, but they lack any centralized structure for them to converge on. Same with jellyfish.
So I suppose my point is that it isn't a dumb question, at least if you're a vegetarian for moral reasons related to killing a living being with emotions.