In Depth Rhinconichthys was first named in 2010, from fossils that had been discovered in England. Then in 2016 a description of two new species, R. uyenoi from Japan and R. purgatoirensis from the USA were described, revealing to us that this fish genus potentially had a global distribution. Rhinconichthys is noted for the large … Read more
In Depth Hypsocormus was in essence a fish built for speed. The tail lobes were large and in approximate proportion to one another which meant that the tail was capable of providing strong forward thrusts for very little effort. Even more key to fast swimming however were the pectoral fins which are in the simplest … Read more
In Depth Bonnerichthys is a genus of very large filter feeding fish that lived during the Late Cretaceous. By becoming a filter feeder of plankton, Bonnerichthys had access to a near limitless supply of food, while expending very little energy in gathering it, meaning that more calories could go into building and maintaining a large … Read more
he secret to the large size of Leedsichthys is probably down to its lifestyle as a filter feeder. This method of feeding requires very littler effort other than opening the mouth and cruising near the surface of the water. Such a method of feeding requires only a slow metabolism as it is not actively hunting for prey. … Read more