The fossil fish Ptychodus Agassiz, 1834, characterized by a highly distinctive grinding
dentition and an estimated gigantic body size (up to around 10 m), has remained one of the …

The megatooth shark, Otodus megalodon, is an iconic Neogene lamniform shark known
only from its teeth and vertebrae. Its thermophysiology is previously inferred to have been …

The white shark (Carcharodon carcharias) is the largest macropredatory fish in the world.
Yet, there remains a paucity of data on the early life history and reproduction of this iconic …

In nature, fish not only have extraordinary ability of underwater movement but also have high
mobility and flexibility. The low energy consumption and high efficiency of fish propulsive …

Unlike most viviparous vertebrates, lamniform sharks develop functional teeth during early
gestation. This feature is considered to be related to their unique reproductive mode where …

Chlamydoselachus anguineus, Garman 1884, commonly called the frilled shark, is a deep‐
sea shark species occurring up to depths of 1300 m. It is assumed to represent an ancient …

The extinct megatooth shark,† Otodus megalodon, which likely reached at least 15 m in total
length, is an iconic extinct shark represented primarily by its gigantic teeth in the Neogene …

Since sharks inhabit this planet for more than 200 million years, they are of big interest for
researchers. The interplay between morphological and behavioural adaptations and the …