Betta vs Common Goldfish
Betta splendens comparado com Carassius auratus
Taxonomy & Classification
| Atributo | Betta | Common Goldfish |
|---|---|---|
| Nome Científico | Betta splendens | Carassius auratus |
| Ordem | Anabantiformes | Cypriniformes |
| Família | Osphronemidae | Cyprinidae |
| Conservation Status | Vulnerable | Least Concern |
Physical Traits
| Atributo | Betta | Common Goldfish |
|---|---|---|
| Comprimento Máximo | 7,0 cm | 45,0 cm |
| Peso Máximo | 0,003 kg | 2,0 kg |
| Cor | 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. | 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. |
Habitat & Environment
| Atributo | Betta | Common Goldfish |
|---|---|---|
| Tipo de Água | Freshwater | Brackish |
| Faixa de Profundidade | — | 0-20m |
| Distribuição Geográfica | 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 … | 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 … |
| Habitat | 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 … | 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 … |
Aquarium Suitability
| Atributo | Betta | Common Goldfish |
|---|---|---|
| Tamanho Mínimo do Aquário | 19 L | 150 L |
| Temperatura | 24-30 | 10-24 |
| Faixa de pH | 6.5-7.5 | 6.0-8.0 |
| Nível de Cuidado | Easy | Easy |
| Temperamento | Aggressive | Peaceful |
Informações de Pesca
| Atributo | Betta | Common Goldfish |
|---|---|---|
| Peixe Esportivo | Não | Sim |
| Classificação de Resistência | — | — |
| Recorde Mundial | — | — |
| Nível de Mercúrio | — | — |
Cuisine & Edibility
Betta
Not consumed — ornamental aquarium species prized for its flowing fins and vibrant coloration; classified Vulnerable in the wild.
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.
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.
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.