Arapaima vs قشر البياض
Arapaima gigas مقارنةً بـ Sander lucioperca
Taxonomy & Classification
| السمة | Arapaima | قشر البياض |
|---|---|---|
| الاسم العلمي | Arapaima gigas | Sander lucioperca |
| الرتبة | Osteoglossiformes | Perciformes |
| الفصيلة | Arapaimidae | Percidae |
| Conservation Status | Data Deficient | Least Concern |
Physical Traits
| السمة | Arapaima | قشر البياض |
|---|---|---|
| الطول الأقصى | 450,0 cm | 130,0 cm |
| الوزن الأقصى | 200,0 kg | 20,0 kg |
| اللون | Dark olive-gray to grayish-black back with large scales that become vivid red-orange with black borders on the posterior flanks; belly pale cream; caudal fin reddish and rounded. | 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 | Arapaima | قشر البياض |
|---|---|---|
| نوع الماء | Freshwater | Brackish |
| نطاق العمق | — | 2-30m |
| النطاق الجغرافي | Restricted to the Amazon River basin in Brazil, Peru, Guyana, and Bolivia. Inhabits flooded várzea lakes, oxbows, and large river channels; surfaces frequently to breathe … | 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 | Floodplain lakes (várzea) and large river channels of the Amazon basin. Slow-moving, shallow, warm freshwater (26-30°C). An obligate air-breather; rises to surface to gulp air. … | Estuaries |
معلومات الصيد
| السمة | Arapaima | قشر البياض |
|---|---|---|
| أسماك الصيد الرياضي | نعم | نعم |
| تصنيف المقاومة | 10/10 | 6/10 |
| الرقم القياسي العالمي | — | — |
| مستوى الزئبق | — | — |
Cuisine & Edibility
Arapaima
Large, firm white fillets with a mild, clean flavor and low fat; historically a staple protein in Amazonian communities. Often salted and dried; sustainable harvest is tightly regulated.
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
Arapaima
The arapaima is one of the largest freshwater fish in the world, reaching up to 4.5 meters. An obligate air-breather, it must surface every 10-20 minutes to gulp air. Its tongue is bony and used to crush prey against the roof of its mouth.
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.