Ling

Ling, a.k.a lemonfish, or cobia (Rachycentron canadum).      With their large, triangular dorsal fin, together with their tendency to swim near the surface, adult ling look a lot like a shark. Their shark-like shape, together with their curious nature can be rather disconcerting when scuba diving. On more than one dive I have seen … Continue reading Ling

Tiktaalik, a transitional fossil or just a fish?

This video presents some of the speculation and artwork that goes into describing fossils. Conclusions drawn about fossil finds are always subject to the interpreter's bias. This video shows how a simple experiment can turn a round-headed fish into something resembling the flat-headed and supposed (by some) part-fish, part-amphibian known as Tiktaalik roseae. There is evidence … Continue reading Tiktaalik, a transitional fossil or just a fish?