Showing posts with label shark. Show all posts
Showing posts with label shark. Show all posts

Friday, 21 January 2011

SOS: Save our Science - Seeing Sharks!!

ResearchBlogging.org
This is the end of my first week in the second lab, it's pretty fun so far, quite enjoying the variety of things I've become involved in and will hopefully get some very exciting data. It's going to be a busy term though. Anyway, more on that later. Here's some fishy news from Australia!


It is a commonly quoted fact that sharks can smell a single drop of blood in over 100 litres of water. As a top predator a shark needs highly developed senses to hunt, so it is surprising that many species are probably completely colour blind! Sharks still have excellent vision, but it is monochromatic i.e. Black and white.


The blacktip reef shark (Carcharhinus melanopterus), one of the species in the study, which lacks cone cells (source)