Some popular species of fishes, especially Ruhi, Katla, Mrigel and Kaliboush released record quantity of eggs on Thursday night in the river Halda, the lone natural fish breeding sanctuary in the world, reports BSS.
These fishes usually release eggs between March and June, said experts, adding though mother fishes took long time to release eggs this year, its quantity is sufficient.
Halda expert Dr Monjuril Kibria told BSS that the fry-collectors collected over 25,600 kilogram of eggs in the early hours of Friday, which is record amount in the last 20 years.
Reduction in man-made calamity like indiscriminate hunting of mother fishes (egg carrying fishes) and river pollution is the major cause of the huge amount of the eggs released this year, said Halda expert Prof Monjurul Kibria of Zoology Department at Chattogram University, who has been carrying out massive research work on unique character of this river and its fish spawning.
The river Halda is the only natural breeding ground in the world where sweet water species like these fishes release their eggs at a certain period of the monsoon over a century.
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