Reefers, as coral reef keepers sometimes call themselves, browsed through wares like Ultra Blasto coral, which looks like a head of psychedelic broccoli. A Katherine's Fairy Wrasse supermale fish, a ...

SECAUCUS, N.J. At an expo called Reef-A-Palooza, 4,000 coral reef aquarium hobbyists gathered to swap fragments of coral and ogle $100-a-pop sea horses. The burble of water pumps and commerce filled ...