Atlantic Bluefin Tuna vs Wels Catfish

Thunnus thynnus との比較 Silurus glanis

Taxonomy & Classification

属性	Atlantic Bluefin Tuna	Wels Catfish
学名	Thunnus thynnus	Silurus glanis
目	Scombriformes	Siluriformes
科	Scombridae	Ictaluridae
Conservation Status	Least Concern	Least Concern

Physical Traits

属性	Atlantic Bluefin Tuna	Wels Catfish
最大体長	458.0 cm	500.0 cm
最大体重	680.0 kg	300.0 kg
体色	Dark metallic blue-black back with a bright silvery-white lower belly; upper flanks show iridescent blue and green tones; short yellow finlets have black margins; second dorsal and pectoral fins dark.	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	Atlantic Bluefin Tuna	Wels Catfish
水質タイプ	Saltwater	Brackish
生息水深	0-985m	0-30m
分布域	North Atlantic Ocean from the Gulf of Mexico and Caribbean north to Norway and Iceland, including the Mediterranean and Black seas. Two spawning populations: western …	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 …
生息地	Open ocean in the Atlantic, Mediterranean, and Black Sea. Highly migratory, ranging from temperate to subtropical surface waters (0-100m, optimum 15-25°C). Aggregates seasonally to feed …	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 …

釣り情報

属性	Atlantic Bluefin Tuna	Wels Catfish
ゲームフィッシュ	はい	はい
ファイト評価	10/10	9/10
世界記録	—	—
水銀含有量	—	—

Cuisine & Edibility

Atlantic Bluefin Tuna

The pinnacle of raw fish dining — intensely rich, fatty tuna-o-toro with deep red color and buttery, umami-forward flavor. Commands the highest prices globally in Japanese sushi markets.

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

Atlantic Bluefin Tuna

The Atlantic bluefin tuna is one of the largest bony fish, capable of crossing the Atlantic in under 60 days. A single specimen has sold for over $3 million at Tokyo's fish market. It can maintain a body temperature above the surrounding water.

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.