Ilish seasonal fishermen are employed in catching them and traders are bidding up the price of the fish to exorbitant levels. Furthermore, the changes brought about by global warming have led to a gradual depletion of the ilish's breeding grounds, reducing populations further. The fish is heading towards extinction in certain regions. Ilish Tenualosa ilisha (ilish, hilsa, hilsa herring "ইলিশ" in Bangla and Australia, or hilsa shad) is a species of fish related to the herring, in the Clupeidae family. It is a very popular and sought-after food fish in the southern region of Asia. It is Bangladesh's national fish. The
Bozeman National Fish Hatchery There are seven Fish Technology Centers and nine Fish Health Centers in the United States. The Bozeman hatchery is the fourth oldest National Fish Hatchery. The hatchery was named to the National Register of Historic Places on January 6, 1983. The Bozeman National Fish Hatchery was authorized by an act of the United States Congress on August 5, 1892. The initial purchase of land for the hatchery was on May 20, 1893, and consisted of at the entrance to Bridger Canyon. Construction of facilities began April 1895 and was completed in late 1896. The first superintendent, Dr. James A. Henshall,