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Two new species of saw sharks discovered

Saw Shark Radiographs Weigmann et al 2020

The newly discovered Pliotrema kajae and Pliotrema annae six-gill saw sharks, were discovered during research investigating small-scale fisheries operating off the coasts of Madagascar and Zanzibar. The discovery of these two new sharks highlights how little we still know about life in the ocean and the impact we are having on it. Read more here: https://biomeecology.com/news/2020/04/two-new-species-of-saw-sharks-discovered/

How do Sharks Grow?

An Xray showing the cartilagenous skeleton of a Bull Huss shark. Copyright Fish Vet Group.

Over the years I have been asked all sorts of questions about sharks, covering a broad range of pretty much everything, from; “Do sharks fart?” to “How do sharks grow?” Let’s start with the latter, this was asked by an Ecologist friend; Heather Lyons, and is a particular favourite of mine, not least because the […]