The venom of some box jellyfish species is considered to be among the most powerful in the world.
"Gear retention—when marine animals escape from fishing gear with parts of the gear stuck on their bodies—has been recognized as a potential problem for some time," researcher Carl Meyer said.
While jellyfish are fairly common in the area, such large congregations are quite unusual at this time of year.
The shark is named after the famed Italian explorer John Cabot.
The shark was tagged in September by researchers from non-profit OCEARCH near Nova Scotia in Canada,
The findings are some rare good news for corals around the world, which are facing numerous severe threats.
Some species of jellyfish are able to grow back tissue that has been lost.
"If she is dreaming, this is a dramatic moment. You could almost narrate the body changes and narrate the dream," the scientist said.
Plastic fragments are frequently ingested by a wide range of marine animals that often mistake the substance for food.
Sea turtles are among the oldest creatures on the planet. However, they are facing significant threats from human activities.
"The presence of corals in these extreme mangrove habitats challenges our understanding of the conditions some corals are capable of living in," researcher Emma Camp said.
Researchers say they were stunned by the close encounter.
The bluntnose sixgill is one of the largest sharks in the world and it has not changed much in around 180 million years.
"In the history of fisheries science, only two pocket sharks have ever been captured or reported," Henry Bart, director of the Tulane Biodiversity Research Institute, said in a statement.
The oldest embryo kills and consumes its siblings, causing it to grow exponentially bigger and stronger.
The animal was observed during an expedition aboard the National Oceanic and Atmospheric Administration's Okeanos research vessel.
The video was captured by a team of researchers from the non-profit Atlantic White Shark Conservancy.
In total, the bloom weighs a staggering 20 million tons, according to an international team of scientists.
Several animal species have evolved the ability to change color in order to stay hidden from predators.
Researchers investigated a unique group of dolphins in Western Australia which use sponges as tools to forage for food.
Gates worked to develop a type of "super coral" capable of withstanding the effects of climate change.
Starfish from the 1970s were found to have similar levels of microplastics as those from today.
Below the surface, the oceans are not as quiet as you might think.
Investigations revealed, for the first time, a diverse chain of underwater mountains.
"Killer whale populations found in the most polluted seas around Japan, Brazil, the U.K. or in the northeast Pacific, the authors report, are tending toward complete collapse."
Every year, great white sharks travel to a seemingly barren stretch of the Pacific, known as the White Shark Café, for reasons that scientists have not been able to explain.
Coral reefs around the world are facing a number of threats which are devastating coral populations.
The whale was identified as a finback—the second largest mammal species on Earth after the blue whale.
Coral reefs around the world are coming under increasing environmental pressures.
The image was shared on Facebook, leading to a barrage of criticism.