Deep Sea Skates – New Species Discovered!

According to a scientific paper published on 13th July 2016 – a new species of deep-water legskate was recently described by scientists Weigmann and Stehmann. When scientists discover a new type of animal it is called ‘describing’ because they have to put together a description of the animal that allows other scientists to be able…

ScienceTrooth – An Interview With A Shark Scientist

In the first of what we hope will be a regular feature, we have given 10 questions to a real, live scientist with shark experience to discover what it is really like working with these animals. Sharktrooth is delighted that our first candidate is Mariah Pfleger, from Oceana. Oceana is a global organisation that is…

Why Sharks Don’t Go To The Dentist

Shark teeth are covered in fluoride which makes them cavity-resistant. A study published in the Journal of Structural Biology in 2012 discovered that the enamel on sharks teeth is actually made up of a chemical called fluoroapatite. Fluoroapatite is resistant to acid produced by bacteria so this means that shark’s teeth don’t decay. Also, most…

New GuitarFish Discovered?

Scientists Peter R. Last, Bernard Séret and Gavin J.P. Naylor are proposing a revised classification of the guitarfish based on materials collected from the South China Seas. Taxonomy and classification is how we understand different animals that are closely related and taxonomy is the science of defining groups of biological organisms (animals) on the basis…

2016 The Year Of The Shark

There are lots of ways you can take action to make 2016 The Year Of The Shark. Let’s make a stand and start fighting for the sharks and our oceans this year, or next year may be too late… Visit our Friends page to see the different shark and marine conservation organisations you can get…

Elephant Shark Helps Humans

Scientists looking into how shark skeletons develop, have come across an interesting discovery. They believe that studying the spines of a group of animals called chondrichthyans, which are fish with cartilage instead of bone, could help in understanding human skeletal heterotopic disorders. Zerina Johanson, Catherine Boisvert, Anton Maksimenko, Peter Currie, Kate Trinajstic are the scientists…

Who’s The Daddy?

An academic paper was published last week by scientists S. Corrigan, D. Kacev & J. Werry on one of Sharktrooth’s favourite shark species – the Shortfin Mako (latin name Isurus oxyrinchus). The title of this paper is “A case of genetic polyandry in the shortfin mako”. This article documents a case of genetic polyandry in…

North Carolina Shark Incidents

There is a great article on the Discovery website about this at the moment. You can read the full article here. Rather than join in the general mass media hysteria, Discovery have taken the trouble to get expert opinions on why there have been several incidents with people getting hurt recently. (Sharktrooth would like to…

New Shark Discovered!

Exciting News! A new species of shark has been discovered! Recently discovered in the southwestern Indian Ocean, the Dusky Snout Catshark (Bythaelurus naylori) is one of 10 recognised species of Bythaelurus (Catshark): Bythaelurus alcockii Garman, 1913 (Arabian catshark) Bythaelurus canescens Günther, 1878 (Dusky catshark) Bythaelurus clevai Séret, 1987 (Broadhead catshark) Bythaelurus dawsoni S. Springer, 1971 (New…

Jacques Of All Trades

Today would have been the 105th birthday of the most famous and influential ocean-diver of all time – Jacques-Yves Cousteau. Cousteau truly was a jack-of-all-trades when it came to diving. He was a French naval officer, explorer, conservationist, filmmaker, innovator, scientist, photographer, author and researcher who studied the sea and all forms of life in…

Sharks Vs Dinosaurs

Sharks have been swimming in the oceans for almost 450 million years now. During that time, sharks have evolved into the perfect predators. Life began on earth about 3.8 billion years ago. The very first fish appeared around 510 million years ago. The first sharks, as we know them, showed up around 450 million years…