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"If you're going to spend time guarding a female, you want to go for the biggest female you can find because she's going to produce more eggs," said UC Berkeley biologist Roy Caldwell, who co-wrote the study. "It's basically an investment strategy." Shortly after the female gives birth, about a month after conception, both the mother and father die, researchers said. "It's not the sex that leads to death," said Christine Huffard, the study's lead author. "It's just that octopuses produce offspring once during a very short lifespan of a year."
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