Snail-eating slender beetle and stout beetle (IMAGE)

Toho University

Snail-eating slender beetle and stout beetle

Caption

Snail-eating slender beetle (Carabus blaptoides fortunei, left) and stout beetle (Carabus blaptoides capito, right). Slender beetles can eat snails by inserting their heads into the shells but cannot eat snails with shell apertures smaller than their heads. Conversely, stout beetles can eat small snails by crushing the shells but cannot eat large snails with hard shells.

Credit

Junji Konuma

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