Shark

Shark

A shark moves silently beneath the surface of the water. Photo : UNB/ AP

Study warns ocean chemistry changes could weaken sharks' teeth

The study found that as acidity increases, shark teeth could become structurally weaker and more prone to cracking and breaking. This could eventually threaten sharks’ position at the top of the...

An illustration made on 3 September 2025 shows a gigantic 8-metre-long mega-predatory lamniform shark swimming beside a long-necked plesiosaur in the seas off Australia 115 million years ago. Photo: UNB/Pollyanna von Knorring/Swedish Museum of Natural History via AP

Before megalodon, a monstrous shark dominated ancient Australian seas: Researchers

Fishers released the shark after it was photographed. Photo: Garvin Watson and Parismina Domus Dei. Parismina Limón Bar, Costa Rica

First of its kind bright orange shark caught and released on Costa Rican coast

Photo: Collected

Gear up for safety: Top 5 certified motorcycle helmets

A shark weighing 150 kilograms was caught in a net off the coast of Anwara upazila in Chattogram on Saturday (9 December). Photo: TBS

Shark weighing 150kg caught in net in Ctg

Govt approves action plan on shark, ray conservation

Govt approves action plan on shark, ray conservation

A hammerhead shark swims close to Wolf Island at Galapagos Marine Reserve August 19, 2013. Picture taken August 19, 2013. REUTERS/Jorge Silva

Wildlife summit to vote on shark protections

Pushing sharks to extinction only for a few bucks

Pushing sharks to extinction only for a few bucks

Despite an official ban on catching sharks, defiant fishermen in Chattogram continue to hunt the marine species due to lax law enforcement. Overfishing and illegal trade put the aquatic animal in existential risks as researchers warned that the number of sharks in the Bay of Bengal is declining alarmingly. Photo: Mohammad Minhaz Uddin/TBS

Pushing sharks to extinction only for a few bucks

Ray fish. Photo: Collected

53 more species of shark, ray fish listed as endangered aquatic life

Australian marine rescuers work to free a whale tangled in shark nets off Queensland's Gold Coast, Australia August 11, 2021, in this screen grab taken from a video. Picture taken August 11, 2021. Photo: Reuters

Marine rescuers work to free whale caught in shark net on Gold Coast

Great white sharks are responsible for the majority of attacks off California, but the chances of an encounter remain very low for any swimmer. Photo: National Geographic

Swimmer dies in New Caledonia shark attack

Visitors watch a whale shark at the Whale Shark Aquarium of Chimelong Ocean Kingdom in Zhuhai, China September 4, 2018/ Reuters

Dramatic shark decline leaves ‘gaping hole’ in ocean: Study