Beluga  (Huso huso)

Anadromous: in fish: those species that spend most of their lives at sea but migrate to fresh water to spawn.
Barbels: fleshy projections near the mouth of some fish.
Invertebrate: animals with no backbone.

1. UNEP-WCMC database (August, 2002)
   www.unep-wcmc.org
   
2. Cihar, J. (1991) Freshwater Fish. Aventinum Publishing, Prague.
   
3. Fishbase (September, 2002)
   http://www.fishbase.org/Summary/SpeciesSummary.cfm?genusname=Huso&speciesname=huso
   
4. Paxton, J.R., Eschmeyer, W.N. [eds.] (1994) Encyclopedia of Fishes. University of New South Wales Press, Sydney.
   
5. Nelson, J.S. (1984) Fishes of the World [2nd edn.]. John Wiley & Sons Inc, New York.
   
6. Caviar Emptor (September, 2002)
   http://www.caviaremptor.org
   
7. CITES (September, 2002)
   http://www.cites.org
   
8. Caspian Environment Programme (September, 2002)
   http://www.caspianenvironment.org
   
9. Natural Resources Defence Council, Wildlife Conservation Society, SeaWeb (Dec, 2000) Roe to Ruin: The Decline of Sturgeon in the Caspian Sea and the Road to Recovery. Available at:
   http://www.caviaremptor.org/roe_to_ruin.PDF