Corydoras vs Zebra Danio

Corydoras paleatus comparé à Danio rerio

Taxonomy & Classification

Attribut	Corydoras	Zebra Danio
Nom scientifique	Corydoras paleatus	Danio rerio
Ordre	Siluriformes	Cypriniformes
Famille	Callichthyidae	Danionidae
Conservation Status	Least Concern	Least Concern

Physical Traits

Attribut	Corydoras	Zebra Danio
Longueur maximale	7,0 cm	5,0 cm
Poids maximum	0,005 kg	0,001 kg
Couleur	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.	Silver to pale gold body with five continuous horizontal royal-blue stripes running from gill to tail tip, including through the fins; belly silvery-white; fins clear with blue-gold striping.

Habitat & Environment

Attribut	Corydoras	Zebra Danio
Type d'eau	Freshwater	Freshwater
Plage de profondeur	—	—
Aire de répartition	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 Ganges and Brahmaputra river basins of Bangladesh, India, Nepal, and Myanmar. Inhabits fast-flowing hill streams, rice paddies, and shallow ponds across the …
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 …	Fast-flowing, clear mountain streams of the Ganges-Brahmaputra region, India and Bangladesh. Clean, well-oxygenated, shallow water with sandy and gravelly substrate (18-26°C). Lab model organism.

Aquarium Suitability

Attribut	Corydoras	Zebra Danio
Taille minimale de l'aquarium	40 L	40 L
Température	22-26	18-24
Plage de pH	6.0-8.0	6.0-8.0
Niveau d'entretien	Easy	Easy
Tempérament	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.

Zebra Danio

Not consumed — a hardy ornamental aquarium fish notable for its horizontal blue-silver stripes and active schooling behavior; also a widely used laboratory model organism.

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.

Zebra Danio

The zebrafish is a small cyprinid native to South Asia's freshwater streams. Its distinctive blue-and-gold horizontal stripes and hardy nature make it a popular aquarium fish. It is also the most widely used vertebrate model organism in genetic research.