Corydoras vs Zebra Danio

Corydoras paleatus との比較 Danio rerio

Taxonomy & Classification

属性	Corydoras	Zebra Danio
学名	Corydoras paleatus	Danio rerio
目	Siluriformes	Cypriniformes
科	Callichthyidae	Danionidae
Conservation Status	Least Concern	Least Concern

Physical Traits

属性	Corydoras	Zebra Danio
最大体長	7.0 cm	5.0 cm
最大体重	0.005 kg	0.001 kg
体色	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

属性	Corydoras	Zebra Danio
水質タイプ	Freshwater	Freshwater
生息水深	—	—
分布域	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 …
生息地	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

属性	Corydoras	Zebra Danio
最小水槽サイズ	40 L	40 L
水温	22-26	18-24
pH 範囲	6.0-8.0	6.0-8.0
飼育難易度	Easy	Easy
気性	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.