Huso huso

The Beluga Sturgeon is the largest freshwater fish, known for its substantial size that can exceed 600 cm in length. - **Size:** In natural settings, the Beluga Sturgeon has been recorded growing to lengthy proportions, but typical aquarium conditions limit such growth. - **Behavior:** Huso huso is a docile and slow-growing species; it's primarily known for its production of highly-prized caviar. - **Conservation:** This species is endangered, facing threats like overfishing and habitat destruction.