Siamese Giant Barb (Catlocarpio siamensis) Discus Polypterus palmas is distinguished from

Polypterus palmas is distinguished from other species of the genus by the upper jaw longer than lower jaw

Best suited for experienced hobbyists

Alligator gar are relatively passive

Instead of the normal silver body

but it is a predator

Siamese Giant Barb (Catlocarpio siamensis) Discus Polypterus palmas is distinguished fromThe giant barb, Siamese giant carp, or simply Siamese carp, is the largest species of cyprinid in the world. These migratory fish are found only in the Mae Klong, Mekong, and Chao Phraya River basins in Indochina. The giant barb ranks among the largest freshwater fish in the world, reaching up to 9 feet in length and weighing nearly 600 lbs