What specific feature on the stingray's tail delivers venom?
Answer
A barbed, venomous spine
The mechanism by which a stingray delivers its painful substance is via a specialized anatomical feature located on its tail. This feature is described specifically as a spine that is both barbed and venomous. When the ray feels threatened, it lashes out, driving this spine into the aggressor. The barbs are crucial as they help anchor the spine in the flesh, making extraction difficult, and the venom, which is a protein-based substance, is injected at the time of impact, causing the immediate, overwhelming pain associated with the injury.
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