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Flesh, eggs, and swim bladder
- Sturgeons are valued for their flesh, eggs, and swim bladder. Their flesh is sold fresh, pickled, or smoked. Caviar consists of the eggs, which are stripped from ripe females who are subsequently released. The inner membrane of the sturgeon’s swim bladder is used to make isinglass, a very pure form of gelatin used for various industrial purposes.
www.britannica.com/animal/sturgeon-fish
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Sturgeon are recognizable for their elongated bodies, flattened rostra, distinctive scutes and barbels, and elongated upper tail lobes. The skeletal support for the paired fins of ray-finned fish is inside the body wall, although the ray-like structures in the webbing of the fins can be seen externally.
Sep 22, 2024 · Sturgeon, any of about 29 species of fishes of the family Acipenseridae (subclass Chondrostei), native to temperate waters of the Northern Hemisphere. Most species live in the ocean and ascend rivers to spawn in spring or summer; a few others are confined to fresh water.
- The Editors of Encyclopaedia Britannica
Jun 23, 2023 · Sturgeons are of substantial economic importance because their eggs, known as roe, are harvested and processed to create caviar. This high-end luxury product is globally recognized and sought after, making sturgeons a primary target for commercial fishing.
A Sturgeon is a large, primarily freshwater fish. Researchers recognize at least 23 different species, all of which they place in the taxonomic family Acipenseridae. Their closest relatives are the paddlefish. These fish grow quite large, and live long lives.
Sturgeons have been referred to as both the Leviathans (connoting great size) and Methuselahs (connoting great age of life span) of freshwater fish. Sturgeons can reach great size; sturgeons ranging from 7–12 feet (2-3½ m) in length are common, and some species grow up to 18 feet (5.5 m).
- Actinopterygii
- Acipenseriformes
- Animalia
- Chordata
Also known as the rock sturgeon, the lake sturgeon is one of 27 species of sturgeon, a family of bony fish that found around the world that first appears in the fossil record more than 200...
They are known for their elongated bodies, rows of bony plates, and their prized roe, which is processed into caviar – a delicacy enjoyed worldwide. Despite their ancient lineage and once-abundant populations, most sturgeon species today face threats from overfishing, habitat loss, and pollution.
