Fisherman caught a giant boal fish (helicopter catfish) weighing 140 kg from the Saint Martin's Island in Teknaf upazila on Saturday.
On Saturday morning, Abdur Rashid went to the island to catch fish and netted the huge boal fish from Dailpara point area, said Teknaf upazila Fisheries Officer Delwar Hossain.
Syed Alam, a local businessman and general secretary of the service trawler on the Teknaf-Saint Martin waterway, bought the fish for Tk 1.4 lakh.
Buyer Syed Alam said, "I bought the big boal of fish as a part of my hobby." However, the fish is planned to be sold in the local market at Tk 1,000 per kg.
Meanwhile, locals from different parts of the upazila thronged the island to have a look at the rare-size fish.