This is a picture of a bluegill sunfish, an r-strategist. An r-strategist is an animal which produces many low-value offspring, most of which will not survive. The bluegill pictured is a good example of an r-strategist because it produces hundreds of thousands of offspring per female, most of which are consumed or perish in other ways before reproduction. It abandons its offspring soon after spawning, making them a low-energy investment.
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