Betta vs Zebra Danio

Betta splendens との比較 Danio rerio

Taxonomy & Classification

属性	Betta	Zebra Danio
学名	Betta splendens	Danio rerio
目	Anabantiformes	Cypriniformes
科	Osphronemidae	Danionidae
Conservation Status	Vulnerable	Least Concern

Physical Traits

属性	Betta	Zebra Danio
最大体長	7.0 cm	5.0 cm
最大体重	0.003 kg	0.001 kg
体色	Highly variable in domesticated strains; wild type is dull brownish-green with iridescent blue-green scale patches; long flowing fins display intense reds, blues, purples, and teals with iridescent sheen.	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	Betta	Zebra Danio
水質タイプ	Freshwater	Freshwater
生息水深	—	—
分布域	Native to the Mekong River basin in Thailand, Laos, and Cambodia. Found in shallow rice paddies, irrigation ditches, ponds, and slow-moving lowland streams across the …	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	Shallow, densely vegetated ponds, rice paddies, and slow streams of Thailand and Southeast Asia. Tolerates oxygen-poor, warm water (24-30°C). Males highly territorial; builds bubble nests …	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	Betta	Zebra Danio
最小水槽サイズ	19 L	40 L
水温	24-30	18-24
pH 範囲	6.5-7.5	6.0-8.0
飼育難易度	Easy	Easy
気性	Aggressive	Peaceful

Cuisine & Edibility

Betta

Not consumed — ornamental aquarium species prized for its flowing fins and vibrant coloration; classified Vulnerable in the wild.

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

Betta

The Siamese fighting fish is famous for its vibrant colors and flowing fins, developed through centuries of selective breeding. Males are highly territorial and will flare their gill covers at rivals. They possess a labyrinth organ for breathing atmospheric air.

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.