Corydoras vs Yellow Perch
Corydoras paleatus compared with Perca flavescens
Taxonomy & Classification
| Attribute | Corydoras | Yellow Perch |
|---|---|---|
| Scientific Name | Corydoras paleatus | Perca flavescens |
| Order | Siluriformes | Perciformes |
| Family | Callichthyidae | Percidae |
| Conservation Status | Least Concern | Least Concern |
Physical Traits
| Attribute | Corydoras | Yellow Perch |
|---|---|---|
| Max Length | 7.0 cm | 50.0 cm |
| Max Weight | 0.005 kg | 1.9 kg |
| Color | Pale olive-gray to greenish body with irregular dark olive to black marbled blotches and spots; a broad dark blotch at the dorsal fin base; belly is cream to white; fins spotted or barred. | Bright golden-yellow body with 6–8 broad dark olive-green vertical saddle-bars; belly pale yellow to white; paired and anal fins are vivid orange to red; two separate dorsal fins, the first dark-spined. |
Habitat & Environment
| Attribute | Corydoras | Yellow Perch |
|---|---|---|
| Water Type | Freshwater | Brackish |
| Depth Range | — | 0-56m |
| Geographic Range | Native to the La Plata River system and coastal rivers of southeastern Brazil, Uruguay, and northeastern Argentina. Inhabits shallow streams, flooded meadows, and sandy-bottomed lagoons … | Native to freshwater and slightly brackish lakes and rivers of central and eastern Canada and the northern United States, including all five Great Lakes. Abundant … |
| Habitat | Rivers and streams of the Río de la Plata basin in South America (Brazil, Argentina, Uruguay). Inhabits clear-water streams over sandy and muddy bottoms. Active … | Estuaries |
Aquarium Suitability
| Attribute | Corydoras | Yellow Perch |
|---|---|---|
| Min Tank Size | 40 L | — |
| Temperature | 22-26 | — |
| pH Range | 6.0-8.0 | — |
| Care Level | Easy | — |
| Temperament | Peaceful | — |
Fishing Information
| Attribute | Corydoras | Yellow Perch |
|---|---|---|
| Game Fish | No | Yes |
| Fight Rating | — | 3/10 |
| World Record | — | — |
| Mercury Level | — | — |
Cuisine & Edibility
Corydoras
Not consumed — a small ornamental bottom-dwelling catfish beloved for its peaceful temperament and role as a substrate scavenger in community aquariums.
Yellow Perch
Sweet, clean white flesh with very low fat and a delicate texture; among the most prized freshwater eating fish in the Great Lakes region. Best pan-fried or sautéed simply in butter.
Species Overview
Corydoras
The peppered corydoras is a peaceful bottom-dwelling catfish native to South American rivers. It uses its barbels to sift through substrate for food and should be kept in groups of six or more. It can gulp atmospheric air in low-oxygen conditions.
Yellow Perch
The yellow perch is a schooling fish found in lakes and slow rivers across North America. Its golden-yellow body with dark vertical bars is unmistakable. Its sweet, firm white flesh makes it one of the finest-tasting freshwater fish.