Saving grown females first — not fry — is crucial to preventing extinction of the beluga sturgeon, suggests a new conservation assessment of the fish that’s been pushed to the brink by demand for its roe, known as black caviar.
Saving grown females first — not fry — is crucial to preventing extinction of the beluga sturgeon, suggests a new conservation assessment of the fish that’s been pushed to the brink by demand for its roe, known as black caviar.