Common Goldfish vs Neon Tetra

Carassius auratus との比較 Paracheirodon innesi

Taxonomy & Classification

属性	Common Goldfish	Neon Tetra
学名	Carassius auratus	Paracheirodon innesi
目	Cypriniformes	Characiformes
科	Cyprinidae	Characidae
Conservation Status	Least Concern	Least Concern

Physical Traits

属性	Common Goldfish	Neon Tetra
最大体長	45.0 cm	3.0 cm
最大体重	2.0 kg	0.001 kg
体色	Brilliant orange to deep golden-yellow body with a metallic sheen across all scales; domesticated forms range from white, yellow, and red to black and calico bicolor combinations.	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

属性	Common Goldfish	Neon Tetra
水質タイプ	Brackish	Freshwater
生息水深	0-20m	—
分布域	Originates from rivers and lakes of eastern China and possibly Korea; domesticated for over 1,000 years. Wild relatives inhabit slow rivers, ponds, and slightly brackish …	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 …
生息地	Ponds, lakes, slow rivers across East Asia; introduced worldwide. Tolerates wide temperature range (10-30°C) and turbid water. Prefers shallow, vegetated areas with soft substrates. Domestic …	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

属性	Common Goldfish	Neon Tetra
最小水槽サイズ	150 L	40 L
水温	10-24	20-26
pH 範囲	6.0-8.0	6.0-7.0
飼育難易度	Easy	Easy
気性	Peaceful	Peaceful

釣り情報

属性	Common Goldfish	Neon Tetra
ゲームフィッシュ	はい	いいえ
ファイト評価	—	—
世界記録	—	—
水銀含有量	—	—

Cuisine & Edibility

Common Goldfish

Not consumed — a classic ornamental aquarium and pond fish; its vivid color and hardy nature make it one of the world's most popular decorative species.

Neon Tetra

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

Species Overview

Common Goldfish

The goldfish was one of the first fish to be domesticated, with selective breeding in China dating back over 1,000 years. Despite common misconceptions, goldfish can live 10-15 years with proper care and require far more space than a small bowl.

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.