Wels Catfish vs قشر البياض
Silurus glanis مقارنةً بـ Sander lucioperca
Taxonomy & Classification
| السمة | Wels Catfish | قشر البياض |
|---|---|---|
| الاسم العلمي | Silurus glanis | Sander lucioperca |
| الرتبة | Siluriformes | Perciformes |
| الفصيلة | Siluridae | Percidae |
| Conservation Status | Least Concern | Least Concern |
Physical Traits
| السمة | Wels Catfish | قشر البياض |
|---|---|---|
| الطول الأقصى | 500,0 cm | 130,0 cm |
| الوزن الأقصى | 300,0 kg | 20,0 kg |
| اللون | 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. | Greenish-gray to olive body with 8–10 dark olive-brown vertical bars or saddle blotches; flanks finely mottled; belly whitish; first dorsal fin with dark-spotted rays; large glassy eyes adapted for low light. |
Habitat & Environment
| السمة | Wels Catfish | قشر البياض |
|---|---|---|
| نوع الماء | Brackish | Brackish |
| نطاق العمق | 0-30m | 2-30m |
| النطاق الجغرافي | 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 … | Native to river systems and large lakes of northern and central Europe and western Asia, including the Volga, Danube, Rhine, and Baltic Sea drainages. Tolerates … |
| الموطن | 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 … | Estuaries |
معلومات الصيد
| السمة | Wels Catfish | قشر البياض |
|---|---|---|
| أسماك الصيد الرياضي | نعم | نعم |
| تصنيف المقاومة | 9/10 | 6/10 |
| الرقم القياسي العالمي | — | — |
| مستوى الزئبق | — | — |
Cuisine & Edibility
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.
قشر البياض
Lean, firm white flesh with a delicate, mild flavor and nearly no fat; boneless fillets are easy to work with. The most prized freshwater eating fish in Central and Eastern Europe.
Species Overview
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.
قشر البياض
The zander is the European equivalent of the walleye and one of the most prized freshwater predators in Europe. Its excellent low-light vision makes it a crepuscular hunter. Its delicate white flesh is considered among the finest of freshwater fish.