Long Freshwater Aquarium Fish. Other species listed below stand out with their unique and exotic shapes and faces. Also known as the Lace Gourami this cool tropical freshwater fish is one of the most popular Gourami fish for aquarium lovers thanks to its beautiful appearance and its hardy build.

Pearl Gourami are a really unusual freshwater tropical fish that we think will interest many beginner aquarists. Longfin Zebra Danio is available in Blue Purple White and Yellow. They are easy to care for and can be kept in tanks with at least 30 gallons of water but like many other types of Gourami they do require space at the top of the tank so they can breathe air.
Theyre smallonly about an inch long as adultsso dont stock them with large fish who may see them as a snack.
Longfin Zebra Danio Danio Rerio This member of the Cyprinidae family lives up to 5 years and grows up to a max of 3 inches in the home aquarium. You can keep any of these fish in smaller tanks as juveniles. Others like the iridescent shark catfish probably ought to be given a pass. Well-cared for angelfish have an average longevity of 8-10 years although most live much shorter lives owing to poor aquarium conditions.