Atlantic Sailfish vs Wels Catfish
Istiophorus platypterus compared with Silurus glanis
Taxonomy & Classification
| Attribute | Atlantic Sailfish | Wels Catfish |
|---|---|---|
| Scientific Name | Istiophorus platypterus | Silurus glanis |
| Order | Istiophoriformes | Siluriformes |
| Family | Istiophoridae | Siluridae |
| Conservation Status | Least Concern | Least Concern |
Physical Traits
| Attribute | Atlantic Sailfish | Wels Catfish |
|---|---|---|
| Max Length | 340.0 cm | 500.0 cm |
| Max Weight | 100.0 kg | 300.0 kg |
| Color | Dark cobalt-blue back and upper flanks with silver-white belly; iconic tall sail-like dorsal fin is cobalt-blue adorned with small round black spots; flanks show faint pale iridescent vertical bars when excited. | 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
| Attribute | Atlantic Sailfish | Wels Catfish |
|---|---|---|
| Water Type | Saltwater | Brackish |
| Depth Range | 0-200m | 0-30m |
| Geographic Range | Tropical and subtropical Atlantic Ocean including the Gulf of Mexico, Caribbean Sea, and the West African coast; closely related forms occur throughout the Indo-Pacific. Prefers … | 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 … |
| Habitat | Neritic, pelagic, coral reefs | 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 … |
Fishing Information
| Attribute | Atlantic Sailfish | Wels Catfish |
|---|---|---|
| Game Fish | Yes | Yes |
| Fight Rating | 9/10 | 9/10 |
| World Record | — | — |
| Mercury Level | — | — |
Cuisine & Edibility
Atlantic Sailfish
Firm, mildly flavored flesh similar to marlin; primarily a catch-and-release sport fish. Edible when smoked or grilled but rarely targeted for food; sport anglers typically release it.
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 Sailfish
The sailfish is the fastest fish in the ocean, reaching speeds up to 110 km/h. Its enormous dorsal fin, or 'sail,' can be raised to herd baitfish. When hooked, it performs spectacular tail-walking displays across the water surface.
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.