• Saltwater fish are very popular with advanced aquarium hobbyists, but because they are relatively difficult to care for and are generally far more expensive that freshwater fish, many pet shops do not even bother to carry them. However, for those who live around Arlington, Texas, there are several shops for you to choose from that stock saltwater fish.
  
  

The True Percula

• The True Percula carries a large array of items, including tanks, aquarium equipment and many different saltwater fish species. They specialize in saltwater fish, one of the few shops that do so, and also sell coral and saltwater crustaceans.
  
  The True Percula
  4780 Little Rd.
  Arlington, TX 76017
  (817) 483-1100
  truepercula.com
  
  

Coral Universe

• Coral Universe, as its name suggests, houses a large selection of coral and other saltwater aquarium species. It also sells tanks and other related equipment.
  
  Coral Universe
  505 110th St.
  Arlington, TX 76011-6806
  (817) 695-0030
  coraluniverse.com/
  
  

Petco

• Petco is one of the largest pet chains in the world and houses many supplies, fish, tanks--anything the aquarium hobbyist would need. It not only has a generous selection of saltwater fish, but assorted reptiles, birds, small animals and freshwater fish as well.
  
  Petco
  4115 S Cooper St., Ste. 209
  Arlington, TX 76015-4143
  (817) 472-6677
  petco.com