The class Chondrichthyes, that includes Elasmobranchii and Holocephali, is a diverse group
of fish occupying a key position at the base of vertebrate evolution. Their evolutionary …

The major classes of chemicals and brain pathways involved in sexual arousal in mammals
are well studied and are thought to be of an ancient, evolutionarily conserved origin. Here …

Elasmobranch reproductive behavior has been inferred from freshly caught specimens,
laboratory examinations of reproductive structures and function, or determined from direct …

Cartilaginous fishes continuously replace their teeth throughout their life (polyphyodonty)
and often show a sexually dimorphic dentition that was previously thought to be an invariant …

Elasmobranch fishes exhibit a series of complex courtship and mating behaviours in which
males inflict significant bite wounds to the body of female mates. However, the variety and …

Shark populations tend to be highly vulnerable to overexploitation due to low fecundity and
slow growth rates. Recent fishing pressure on the smooth dogfish in the northwest Atlantic …

The mating season of the Atlantic stingray (Dasyatis sabina), which begins in August and
continues through April, is the longest documented for any elasmobranch fish. Despite this …

A number of international and national organizations, both governmental and non-
governmental, have jurisdiction or influence over the management of marine fisheries, and …

The relationship between morphology of the mechanosensory lateral line system and
behavior is essentially unknown in elasmobranch fishes. Gross anatomy and spatial …

Examination of the reproductive biology of the oviparous epaulette shark, Hemiscyllium
ocellatum, was conducted on a wild population. Male sharks were found to reach maturity at …