Walk into any pet or aquarium store, and you’re going to find clownfish. That orange-and-white-striped Nemo is practically synonymous with saltwater aquariums, and it’s one of the first fish new ...

On the outdoor lot of his beachside facility, flecked with dozens of plastic bins and tanks, biologist Syd Kraul has raised several fish species from eggs to fingerlings, including tuna, snapper, and ...