The state Fisheries Department is making efforts to preserve indigenous varieties of fish. It declared about 67 rivers or stretches of them as fish sanctuaries where local as well as general species can thrive. The effort, though commendable, came too late. The department has entrusted the task of protecting and preserving the fish varieties to local village committees, dorbar shnong and NGOs.
Meghalaya has lost many local fish species in the last 50 years and the reasons are manifold. But an important reason is human intervention that altered the fish habitats. Effluents from coal mining, cement plants and other factories contaminate streams and rivers, leading to extinction of several species of fish and other aquatic flora and fauna.
Another reason for the reduction and vanishing of species is greed. People would often use blasting method or chemicals like bleaching powder, copper sulphate and poisonous creepers, among others, to catch more fish. So, many precious, exotic and tasty fish species and aquatic lives are not only reduced tremendously but too many species are now extinct from the beautiful rivers of Meghalaya.
Among the rivers which were affected are the Lukha, Myntdu, Myntang, Jadukata, Kynshi, Rilang, Wahblei, Rwiang, Umiam, Umngot, Umngi, Simsang, Ganol, Manda, Jinjiram and Eldek.
In Meghalaya, we have many rivers and streams which abound in varieties of fish. The prominent rivers of Jaintia Hills are the Lukha, Myntdu, Amjngur, Umiurem and Myntang; in Khasi Hills the Umngot, Umiam, Umdiengkain, Khasi Mara, Jadkain, Umtrew, Umngi, Rilang, Kynshi, Rwiang, Wahblei, Riangdo, Ryndi, Riangdo, Umshiak and Wahkhri; in Garo Hills the Simsang, Ganol, Jinjiram, Eldek, Manda, Chibok, Rongdik, Ringsa, Chibe, Ringgi, Rongku and Bandra.
The fish sanctuaries as declared by the Fisheries Department are: