I had to smile at this headline and article. For the benefit of US readers, what we refer to as "shrimp" are usually called "prawns" in the UK.
Prawns with shy personalities do better in the battle for survival
Prawns have personalities and cautious crustaceans do better in the battle for food, new research suggests.
Scientists studied rockpool prawns and found some were consistently shy, while others were bolder.
But this bravery may come at a cost - as the risk-takers tended to do worse than other prawns when competing for food.
There's more at the link.
Must be because the cautious ones don't want to share their food. They're the opposite of generous - they're shellfish.