Granulated catfish (Pterodoras granulosus)

Scientific name: Pterodoras granulosus Valenciennes, 1821

The Granulated catfish (Pterodoras granulosus) is a freshwater fish of the family Doradidae. In the aquarium it needs water at 20–24°C (68–75°F). Native range: South America, Amazon and Paran? River basins and coastal drainages in Guyana and Suriname.

Granulated catfish care at a glance

Temperature: 20–24°C (68–75°F)

Biology

Nocturnal predator. Occurs in small groups. Feeds mainly on the fruits of Astrocaryum javary.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Pterodoras granulosus
Family: Doradidae (Thorny catfishes)
Order: Siluriformes (Catfish)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 70.0
Environment: Freshwater;; pH range: 7.5 - ? demersal; potamodromous
Climate: Subtropical
Distribution: South America: Amazon and Paran? River basins and coastal drainages in Guyana and Suriname.
Conservation status (IUCN): Not Evaluated
Threat to humans: Harmless
Uses: Fisheries: commercial; aquarium: public aquariums
Resilience: Medium, minimum population doubling time 1.4 - 4.4 years (K=0.18)