<s>[INST] The key differentiator between anthropod shell predators and their competitors for food sources are their unique predatory behaviors. Anthropods are predators that have evolved to consume shells, not just to crack or crush them, but to actually pierce through the shell, removing the tissue inside. Anthropods are found in a variety of ecosystems and are represented across the ocean floor.

How do anthropod predators differentiate themselves from their competitors?[/INST]