Arapaima vs Yellowfin Tuna
Arapaima gigas との比較 Thunnus albacares
Taxonomy & Classification
| 属性 | Arapaima | Yellowfin Tuna |
|---|---|---|
| 学名 | Arapaima gigas | Thunnus albacares |
| 目 | Osteoglossiformes | Scombriformes |
| 科 | Arapaimidae | Scombridae |
| Conservation Status | Data Deficient | Least Concern |
Physical Traits
| 属性 | Arapaima | Yellowfin Tuna |
|---|---|---|
| 最大体長 | 450.0 cm | 239.0 cm |
| 最大体重 | 200.0 kg | 200.0 kg |
| 体色 | 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. | Dark metallic blue-black back contrasting with a silver-white belly; a golden-yellow lateral band runs mid-body; dorsal, anal, and finlets are bright canary yellow with black edges. |
Habitat & Environment
| 属性 | Arapaima | Yellowfin Tuna |
|---|---|---|
| 水質タイプ | Freshwater | Saltwater |
| 生息水深 | — | 1-1602m |
| 分布域 | 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 … | Pantropical, ranging across the Atlantic, Indian, and Pacific oceans between roughly 40°N and 35°S. Aggregates around seamounts, fish aggregating devices, and thermocline boundaries in pelagic … |
| 生息地 | 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. … | Pelagic, estuaries |
釣り情報
| 属性 | Arapaima | Yellowfin Tuna |
|---|---|---|
| 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
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.
Yellowfin Tuna
Lean, dense flesh with a clean, meaty flavor; prized for sashimi and poke. Excellent seared rare, grilled as steaks, or served raw; one of the most commercially valued tunas.
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.
Yellowfin Tuna
The yellowfin tuna is a pelagic predator found in tropical and subtropical oceans worldwide. Capable of speeds exceeding 75 km/h, it is prized both as a sport fish and for its high-quality sashimi-grade flesh.