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Betta vs Wels Catfish

Betta splendens 与之比较 Silurus glanis

Taxonomy & Classification

属性 Betta Wels Catfish
学名 Betta splendens Silurus glanis
目 Anabantiformes Siluriformes
科 Osphronemidae Siluridae
Conservation Status Vulnerable Least Concern

Physical Traits

属性 Betta Wels Catfish
最大体长 7.0 cm 500.0 cm
最大体重 0.003 kg 300.0 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. Dark olive-green to slate-gray back with irregular mottled marbling of darker blotches; flanks grade to olive-yellow; scaleless smooth skin; belly pale cream to yellowish-white; head broad and flat.

Habitat & Environment

属性 Betta Wels Catfish
水质类型 Freshwater Brackish
栖息水深 — 0-30m
地理分布 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 large river systems and lakes of central and eastern Europe from the Rhine basin east to the Caspian and Aral sea drainages. Introduced …
栖息地 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 … Large rivers, lakes, and reservoirs across Europe and Asia (Volga, Danube, Rhine, Ob). Inhabits deep, slow-moving freshwater with soft substrates. Tolerates turbid water (15-25°C). Highly …

Aquarium Suitability

属性 Betta Wels Catfish
最小水箱尺寸 19 L —
水温 24-30 —
pH 范围 6.5-7.5 —
饲养难度 Easy —
性情 Aggressive —

钓鱼信息

属性 Betta Wels Catfish
游钓鱼种 否 是
搏鱼评级 — 9/10
世界纪录 — —
汞含量 — —

Cuisine & Edibility

Betta

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

Wels Catfish

Fatty, soft flesh with a mild, slightly sweet flavor; quality improves from cold, clean water fish. Popular in Central European cuisines — commonly smoked, fried, or braised with vegetables.

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.

Wels Catfish

The wels catfish is the largest freshwater fish in Europe, capable of exceeding 5 meters. Found in large rivers and lakes across the continent, it has been documented beaching itself to catch pigeons. It can live over 80 years.

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