Corydoras vs Red Lionfish
Corydoras paleatus compared with Pterois volitans
Taxonomy & Classification
| Attribute | Corydoras | Red Lionfish |
|---|---|---|
| Scientific Name | Corydoras paleatus | Pterois volitans |
| Order | Siluriformes | Scorpaeniformes |
| Family | Callichthyidae | Scorpaenidae |
| Conservation Status | Least Concern | Least Concern |
Physical Traits
| Attribute | Corydoras | Red Lionfish |
|---|---|---|
| Max Length | 7.0 cm | 38.0 cm |
| Max Weight | 0.005 kg | 1.1 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. | White to cream body with alternating bold reddish-brown and white vertical bands; fan-like pectoral fins are banded with red-brown and white spots; long dorsal spines are striped and venomous. |
Habitat & Environment
| Attribute | Corydoras | Red Lionfish |
|---|---|---|
| Water Type | Freshwater | Saltwater |
| Depth Range | — | 2-55m |
| 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 the Indo-Pacific from East Africa and the Red Sea to southern Japan, Australia, and the Marquesas. Invasive in the western Atlantic and Caribbean … |
| 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 … | Neritic, coral reefs |
Aquarium Suitability
| Attribute | Corydoras | Red Lionfish |
|---|---|---|
| Min Tank Size | 40 L | — |
| Temperature | 22-26 | — |
| pH Range | 6.0-8.0 | — |
| Care Level | Easy | — |
| Temperament | Peaceful | — |
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.
Red Lionfish
Sweet, buttery white flesh once spines are safely removed; increasingly promoted as a sustainable food source in Atlantic waters where it is an invasive species.
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.
Red Lionfish
The red lionfish is a venomous coral reef fish native to the Indo-Pacific. Its ornate, striped body and fan-like pectoral fins make it popular in aquariums, but it has become a destructive invasive species in the western Atlantic and Caribbean.