Australian waters also serve as a refuge or “lifeboat” for 45 species that are threatened in other parts of the world such as the Giant Guitarfish and the Spotted Eagle Ray.
New study looks at shark mortality rate in longline fishing practices
This measurement has been previously studied in both captured sharks and those tagged with tracking devices; however no one had ever measured blood stress values for an entire population.
Nearly 300 million year old shark species discovered in China
Fossilized remains of a 290-million year old shark with petal-shaped teeth have been found near Yangquan City which has provided insight into how this ancient species lived through its evolutionary history.
Dive tourism may alter tiger shark social behaviors
Researchers found that when food was provided, interactions between these animals became less random and more one-sided with “take it or leave” attitudes exhibited
Study shows cookie cutter sharks have wider diet than previously thought
To study their feeding habits further, Carlisle led a research team that studied 150 stomachs of these creatures over 50 years around the world which revealed some pretty interesting findings about them.
OCEARCH embarks on latest great white shark research expedition to Nova Scotia
The Expeditions Nova Scotia 2021 is taking place from September 7 – 30 and will help expand our knowledge on the white sharks that spend their Summer and Fall in Canadian waters.
Study finds Central California’s white shark population small but healthy
Between 2011 and 2018, researchers were able to identify hundreds of individual adult and subadult white sharks, which are not fully mature but are old enough to prey on marine mammals.
Fossil scales show shark life before humans
The study found that the number of sharks in Caribbean Panama decreased by two-thirds over the last few centuries.
Artificial insemination key to maintaining diversity in captive shark populations
The team found that freshly collected semen was effective in fertilizing eggs in 27.6% of cases; semen that had been cold-stored for 24 or 48 hours had 28.1% and 7.1% success rates, respectively.
Warm-blooded sharks, like white sharks, evolved for greater speed
New research from marine biologists offers answers to a fundamental puzzle that had until now remained unsolved: why are some fish warm-blooded when most are not?
- « Previous Page
- 1
- 2
- 3
- 4
- 5
- …
- 25
- Next Page »