Neon Tetra vs Oscar
Paracheirodon innesi compared with Astronotus ocellatus
Taxonomy & Classification
| Attribute | Neon Tetra | Oscar |
|---|---|---|
| Scientific Name | Paracheirodon innesi | Astronotus ocellatus |
| Order | Characiformes | Cichliformes |
| Family | Characidae | Cichlidae |
| Conservation Status | Least Concern | Least Concern |
Physical Traits
| Attribute | Neon Tetra | Oscar |
|---|---|---|
| Max Length | 3.0 cm | 45.0 cm |
| Max Weight | 0.001 kg | 1.6 kg |
| Color | Electric iridescent blue-green stripe from eye to adipose fin; vivid red stripe from mid-body to tail base; back olive-brown; belly silvery-white; all fins transparent and colorless. | Dark olive-brown to blackish body with irregular wavy orange-red markings forming a marbled or reticulated pattern; prominent black ocellus with orange ring at the upper tail base. |
Habitat & Environment
| Attribute | Neon Tetra | Oscar |
|---|---|---|
| Water Type | Freshwater | Freshwater |
| Depth Range | — | — |
| Geographic Range | Native to blackwater tributaries of the upper Amazon River basin in Colombia, Peru, and Brazil. Inhabits slow, acidic, tannin-stained streams and flooded forest areas in … | Native to the Amazon and Orinoco river basins in South America, including Peru, Colombia, and Brazil. Inhabits slow, deep, turbid rivers, flooded forests, and large … |
| Habitat | Warm, soft-water rivers and streams of the upper Amazon and Perú in South America. Prefers slow-moving blackwater with dense vegetation (pH 5.5-7.5, 20-26°C). Dense schooling … | Slow-moving rivers and floodplains of the Amazon and Orinoco basins, South America. Warm, murky water (22-28°C, pH 6-8). Inhabits areas with submerged logs and dense … |
Aquarium Suitability
| Attribute | Neon Tetra | Oscar |
|---|---|---|
| Min Tank Size | 40 L | 280 L |
| Temperature | 20-26 | 22-25 |
| pH Range | 6.0-7.0 | 6.0-8.0 |
| Care Level | Easy | Moderate |
| Temperament | Peaceful | Aggressive |
Fishing Information
| Attribute | Neon Tetra | Oscar |
|---|---|---|
| Game Fish | No | Yes |
| Fight Rating | — | — |
| World Record | — | — |
| Mercury Level | — | — |
Cuisine & Edibility
Neon Tetra
Not consumed — ornamental aquarium species kept for its vivid iridescent stripe and peaceful schooling behavior.
Oscar
Not consumed — popular ornamental cichlid kept for its bold patterning and personality; occasionally eaten in parts of South America but primarily an aquarium species.
Species Overview
Neon Tetra
The neon tetra is one of the most popular freshwater aquarium fish, known for its iridescent blue and red horizontal stripes. Native to blackwater streams of the Amazon basin, it thrives in schools of six or more.
Oscar
The oscar is a large, intelligent cichlid native to the Amazon basin. Known for its dog-like personality, it can recognize its owner and may beg for food. Oscars rearrange their tank decor and require spacious aquariums with robust filtration.