Corydoras vs Neon Tetra

Corydoras paleatus comparado com Paracheirodon innesi

Taxonomy & Classification

Atributo	Corydoras	Neon Tetra
Nome Científico	Corydoras paleatus	Paracheirodon innesi
Ordem	Siluriformes	Characiformes
Família	Callichthyidae	Characidae
Conservation Status	Least Concern	Least Concern

Physical Traits

Atributo	Corydoras	Neon Tetra
Comprimento Máximo	7,0 cm	3,0 cm
Peso Máximo	0,005 kg	0,001 kg
Cor	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.	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.

Habitat & Environment

Atributo	Corydoras	Neon Tetra
Tipo de Água	Freshwater	Freshwater
Faixa de Profundidade	—	—
Distribuição Geográfica	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 blackwater tributaries of the upper Amazon River basin in Colombia, Peru, and Brazil. Inhabits slow, acidic, tannin-stained streams and flooded forest areas in …
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 …	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 …

Aquarium Suitability

Atributo	Corydoras	Neon Tetra
Tamanho Mínimo do Aquário	40 L	40 L
Temperatura	22-26	20-26
Faixa de pH	6.0-8.0	6.0-7.0
Nível de Cuidado	Easy	Easy
Temperamento	Peaceful	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.

Neon Tetra

Not consumed — ornamental aquarium species kept for its vivid iridescent stripe and peaceful schooling behavior.

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.

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.