Arapaima vs Cá chẽm
Arapaima gigas so sánh với Lates calcarifer
Taxonomy & Classification
| Thuộc tính | Arapaima | Cá chẽm |
|---|---|---|
| Tên khoa học | Arapaima gigas | Lates calcarifer |
| Bộ | Osteoglossiformes | Perciformes |
| Họ | Arapaimidae | Latidae |
| Conservation Status | Data Deficient | Least Concern |
Physical Traits
| Thuộc tính | Arapaima | Cá chẽm |
|---|---|---|
| Chiều dài tối đa | 450,0 cm | 200,0 cm |
| Cân nặng tối đa | 200,0 kg | 60,0 kg |
| Màu sắc | 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. | Silver-grey to greenish-bronze flanks with a golden sheen under light; juveniles show a faint pale lateral stripe; operculum has a prominent dark margin and a small spine; fins clear to grayish. |
Habitat & Environment
| Thuộc tính | Arapaima | Cá chẽm |
|---|---|---|
| Loại nước | Freshwater | Freshwater & Saltwater |
| Phạm vi độ sâu | — | 10-40m |
| Phân bố địa lý | 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 … | Indo-West Pacific from the Persian Gulf and Indian subcontinent east to China, Japan, and Australia. Catadromous; spawns in coastal marine waters and juveniles ascend rivers … |
| Môi trường sống | 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. … | Neritic, coral reefs, estuaries |
Thông tin câu cá
| Thuộc tính | Arapaima | Cá chẽm |
|---|---|---|
| Cá thể thao | Có | Có |
| Xếp hạng chiến đấu | 10/10 | 8/10 |
| Kỷ lục thế giới | — | — |
| Hàm lượng thủy ngân | — | — |
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.
Cá chẽm
Buttery, sweet flesh with large flakes, medium fat, and a clean finish. Revered across Asian and Australian cuisines; superb pan-fried, steamed with ginger, or baked whole.
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.
Cá chẽm
The barramundi is a large, catadromous predator native to the Indo-West Pacific. It is a protandrous hermaphrodite, beginning life as male and transitioning to female after several years. Highly prized in both sport fishing and aquaculture.