fishing bait, multi-colored red and common yellow white maggot. live flesh fly sarcophagidae larva sarcophaga bercaea macro

food nature fish winter animal bait closeup creature fishing insect live macro worm biology meal natural larvae small body ingredient larva maggot nutrition product mixed bug creepy little spoil caterpillar lot eat utilization ground metamorphose spinner bunch white hook disease maggots experiment catch scary grave grub disgusting