Most of the hobbyists who are into Flowerhorn fish are men," says Nico Aguirre, 23. "That’s because we like to show them off. Just like we would a nice car." When I met with Nico, he did not strike me ...

Move over flowerhorn fish, aquatic plants and arowana fish, also known as the monster fish, are attracting the attention of aquarium enthusiasts. Another aquarium shop owner, Satish Chandra, said: ...