Aposematism

Definition

A survival strategy used by certain species where conspicuous colors and patterns are used to signal toxicity or unpalatability to potential predators.

Etymology

From Greek 'apo-', meaning 'away from', and 'sema', meaning 'sign'.

Example

The bright coloration of the poison dart frog is an example of aposematism, warning predators of its toxicity.

Synonyms

• Warning coloration

Related Terms

• Mimicry
• Toxicity
• Predator-prey interactions
• Defensive strategies

Usage Notes

Aposematism is commonly seen in insects such as ladybugs and monarch butterflies, as well as in other animals. The effectiveness of aposematism depends on the ability of predators to learn and remember the warning signals.