Search results for shortfin mako

Plants & Animals Nov 29, 2023

Protection of highly threatened sharks and rays inadequate, study finds

Biodiversity—the total variation of life—is multidimensional. Its study encompasses multiple facets, such as taxonomy (the variety of species), phylogenetics (their evolutionary history) and functionality (the ecological ...

Plants & Animals Aug 28, 2023

Study shows how historic red tide event of 2020 was fueled by plankton super swimmers

A major red tide event occurred in waters off Southern California in the spring of 2020, resulting in dazzling displays of bioluminescence along the coast. The spectacle was caused by exceedingly high densities of Lingulodinium ...

Plants & Animals Aug 9, 2023

Top fish predators could suffer wide loss of suitable habitat by 2100 due to climate change

A study of 12 species of highly migratory fish predators—including sharks, tuna, and billfish such as marlin and swordfish—finds that most of them will encounter widespread losses of suitable habitat and redistribution ...

Ecology Jan 4, 2023

Breakthroughs made as scientists sequence the genomes of endangered sharks

The first chromosome level genome sequences for great hammerhead and shortfin mako sharks have shown that both species have experienced major population declines over a 250,000-year history. Low genetic diversity and signs ...

Evolution Nov 29, 2022

Study explores link between shark nose shape, size and sensitivity of smell

Sharks have reputations as "super smellers" that use olfaction to detect odors related to finding prey and mates, communicating with their own species and avoiding predators. Their olfactory system is unique because it is ...

Plants & Animals Aug 22, 2022

Why are we seeing so many sharks? When is it OK to hunt them?

When images of a dead 600-pound tiger shark hanging on an Alabama dock hit social media this summer, some people reacted with horrified dismay.

Ecology Apr 5, 2022

Using jaw DNA and advanced sensors to assess how sharks may react to future threats from climate and fishing

Sharks have been around for 450 million years, outliving the dinosaurs and soldiering on through several mass extinctions. Yet their numbers in the open oceans have plummeted by an alarming 70% over the past 50 years and ...

Ecology Nov 24, 2021

Fishing nations agree better protection for mako shark

North Atlantic fishing nations have pledged to better protect the endangered shortfin mako shark by ending overfishing from 2022 and helping stocks to rebound over the next 50 years.

Plants & Animals Sep 4, 2021

Komodo dragon, 2-in-5 shark species lurch towards extinction

Trapped on island habitats made smaller by rising seas, Indonesia's Komodo dragons were listed as "endangered" on Saturday, in an update of the wildlife Red List that also warned overfishing threatens nearly two-in-five sharks ...

Plants & Animals Jul 15, 2021

Sharks in Costa Brava: evidence of an ongoing decline

Some shark species, such as the basing shark and the spiny dogfish, are in populational decline in the Costa Brava, and even blackspotted smooth-hounds can have disappeared due to the fishing pressure of this marine region ...

page 1 from 5