A new genus and species of petalodont (petal-toothed) shark has been identified from fossilized teeth found in cave passages of Mammoth Cave National Park...
The newly-discovered species of gobiid fish, Tomiyamichthys elliotensis (common name is the Lady Elliot shrimp goby), is currently known only from Lady...
Paleontologists have found 130-million-year-old trace fossils from abyssal plain turbidites of the ancient Tethys Ocean. Combined with nannofossil dating,...
Marine biologists have discovered a new species of the wrasse genus Iniistius living in the Indo-West Pacific Ocean.
The eclipse-spot razor wrasse (Iniistius...
Using animal-borne video cameras, marine scientists have investigated the type, duration and energetic consequences of predator-prey interactions in little...
The hogfish (Lachnolaimus maximus), a common fish in the western Atlantic Ocean from North Carolina to Brazil, is known for its color-changing skin. The...
Marine biologists have described a new species of the shark genus Heterodontus from northwestern Australia based on six whole specimens and a single egg...
The ‘eel hypothesis’ proposes that the anthrozoological phenomenon at Loch Ness in Scotland can be explained in part by observations of large-bodied...
Few fast-swimming apex fishes are classified as regional endotherms, or partially warm-blooded, having evolved a relatively uncommon suite of traits (e.g....
A new species of the ctenochasmatid pterosaur genus Petrodactyle has been described from an unusual specimen found in the Late Jurassic limestone beds...
Otodus megalodon, a megatooth shark that lived between 23 and 3.6 million years ago, was not a fast swimmer, but it had a mega-appetite explaining its...
Now known for its sports teams, Harleys, and beer, early Milwaukee County, Wisconsin was one of the nation’s leading producers of natural cement, and...
Researchers have described a new species of the fish genus Sturisoma from Madeira River basin in Bolivia and Brazil.
Live specimen of Sturisoma reisi from...
The new specimen represents the first occurrence of an acipenseriform (sturgeon) fish on the continent of Africa.
The European sea sturgeon (Acipenser...
Skates are cartilaginous fish whose body plan features enlarged wing-like pectoral fins, enabling them to thrive in benthic environments. However, the...
Paleontologists have described a new genus and species of broad-snouted chondrichthyan fish from several fossilized specimens found in Morocco.
Reconstruction...
Scientists from the Australian Museum Research Institute, the University of Sydney and the Museum and Art Gallery of the Northern Territory have described...
In spring, female thick-shelled river mussels (Unio crassus) were seen moving to the water’s edge and anchoring into the riverbed, with their back ends...
Dunkleosteus terrelli, an armor-plated fish that lived in the shallow subtropical waters of the Devonian period, about 360 million years ago, is one of...
Paleontologists from the University of Vienna and elsewhere have revised a controversial species of the elasmobranch Protospinax annectans based on new...
