The Tale of a Tail

From Dr Dirk Schmidt comes an excellent description of how sharks use their tails: “The large upper terminal dorsal lobe provides a combination of slow speed cruise ability cruise and suddenly to burst into a powerful surge when in pursuit of fast prey. Tails are especially modified to handle and enable different uses such as…

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…

Surprise Shark In Norway

During Halibut fishing in Norway, Max de Vreeze had a bite but lost the fish after a short battle. The underwater camera did however catch the attacker on film, and to his huge surprise it was no Halibut that got hooked… The film revealed a shark, rarely caught in Norwegian waters. The Porbeagle (a smaller…

2015 NOAA Survey – With Added Heroes!

The longest running coastal shark research survey along the East Coast has completed its 2015 field work, capturing and tagging more than 2,800 sharks, the most in the NOAA survey’s 29-year history. The results are very good news for shark populations. Another memorable tale from the 2015 survey In addition to the record number of…

Shark V Lion

Sharktrooth is interested in how people perceive sharks and just how deserved their terrible reputation is. Is it really true that popular opinion is based on how ‘fluffy’ something is? If someone took a walk across sub-Saharan Africa and they saw a lion – would you expect them to demand all lions in the area…

Great White Rescue Attempt

Robin Schnaible – “We got to Whitecrest about an hour later and came upon a huge crowd of people working to save a 10-12′ Great White that had beached itself. The shark was still alive but had suffered some internal injuries. Several beachgoers were pouring buckets of water over him while others dug a holding…

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…

Hammerhead Rescue!

Two brothers on Florida’s Gulf Coast rescue a 10ft Hammerhead Shark with their bare hands. They noticed that the animal was injured and had several large fishing hooks in its mouth and steel fishing line tangled around its head: Posting alongside his uploaded video on YouTube, one of the brothers wrote: “Me and my brother…

Wild Aid Shark Fin Soup Video

WildAid PSA – Yao Ming: Shark Fin Soup Please take 30 seconds to view this video about shark finning created by Wild Aid and also visit their site. Yao Ming is a retired Chinese professional basketball player who played for the Houston Rockets of the National Basketball Association. When the buying stops – the killing…

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…

The Scary Truth About Sharks

The scariest truth about sharks is that they are under threat from us and we could lose them from the oceans. Sharks are an ‘apex-predator’ meaning that they are at the top of their food chain and as such, have a vital role in the eco-system. Sharks kill around 10 people per year, whilst people…

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…