Betta vs Guppy

Betta splendens との比較 Poecilia reticulata

Taxonomy & Classification

属性	Betta	Guppy
学名	Betta splendens	Poecilia reticulata
目	Anabantiformes	Cyprinodontiformes
科	Osphronemidae	Poeciliidae
Conservation Status	Vulnerable	Least Concern

Physical Traits

属性	Betta	Guppy
最大体長	7.0 cm	6.0 cm
最大体重	0.003 kg	0.002 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.	Males display highly variable iridescent patterns on a gray-olive body; spots, reticulations, and solid patches of red, orange, blue, green, and black; flowing fantail fins often multicolored.

Habitat & Environment

属性	Betta	Guppy
水質タイプ	Freshwater	Brackish
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 freshwater and slightly brackish streams of northern South America including Venezuela, Trinidad, and Barbados. Tolerates a wide range of salinities; introduced on every …
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 …	Slow-moving rivers, streams, ponds, and drainage ditches of northern South America (Venezuela, Trinidad). Warm, shallow water with dense vegetation (22-28°C). Highly adaptable; introduced worldwide.

Aquarium Suitability

属性	Betta	Guppy
最小水槽サイズ	19 L	38 L
水温	24-30	22-28
pH 範囲	6.5-7.5	6.8-7.8
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.

Guppy

Not consumed — a tiny ornamental livebearer prized by hobbyists for its dazzling color variations and ease of breeding in the aquarium.

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.

Guppy

The guppy is one of the most widely distributed tropical fish, found in freshwater habitats across the Americas. Males display vivid colors and elaborate tail patterns to attract females. They are live-bearers, giving birth to free-swimming fry.