Red Oscar Fish
Astronotus ocellatus · Fish, Vertebrate, Cold-blooded, Wild/Captive-bred ornamental
Animal Family
Cichlidae, order Cichliformes, class Actinopterygii
Animal Category
Freshwater Animal
Breed / Variety
Red/Albino morph
Conservation Status
Least Concern, population stable; widely bred in captivity for the aquarium trade.
About This Creature
The Red Oscar is a robust, oval-shaped freshwater fish typically reaching lengths of 12 to 14 inches (30 to 35 cm) and weighing up to 3.5 lbs (1.6 kg). This particular variety features a vibrant orange-red body, thick lips, prominent eyes, and a continuous dorsal and anal fin structure that gives it a rounded profile.
Physical Characteristics
Deep, laterally compressed body with large, rounded dorsal and anal fins, a fan-like tail fin, and thick fleshy lips. Coloration in this morph is predominantly bright orange-red with a lighter head and a distinctive pale or white blotch near the dorsal base. Scales are cycloid and smooth.
Behavior & Temperament
Semi-aggressive, territorial, intelligent fish known for recognizing their owners. They are solitary or live in loose pairs, primarily diurnal, and have a habit of rearranging aquarium substrate.
Habitat & Diet
Origin Region
South America, specifically the Amazon River basin, Peru, Ecuador, Colombia, Brazil, and French Guiana
Habitat
Freshwater rivers, streams, and flooded forests; Aquatic
Diet & Nutrition
Carnivorous/Omnivorous; feeds on smaller fish, insects, crustaceans, and plant matter in the wild. Opportunistic hunter.
Lifespan & Health
10 to 15 years in captivity with proper care. Prone to hole-in-the-head disease and lateral line erosion if water quality is poor.
Special Characteristics
Highly intelligent for a fish, capable of learning tricks and spitting water at targets above the surface. Popular aquarium pet.
Ecological Information
Acts as an apex predator in its local micro-habitats, controlling populations of smaller fish and invertebrates.