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

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 snack lure bunch grub protein caterpillar ugly spinner fly little disgusting masses catch worms fresh experiment metamorphose close