More than 230,000 known species representing 31 metazoan phyla populate the world's
oceans. Perhaps another 1,000,000 or more species remain to be discovered. There is …

Since the first investigation 25 years ago, the application of genetic tools to address
ecological and evolutionary questions in elasmobranch studies has greatly expanded. Major …

Interest in elasmobranch biodiversity and taxonomy has grown in recent years, catalyzed
primarily by four influences:(1) the large number of new species that have been described …

To understand how planet Earth works we study it increasingly as a system–a collection of
interdependent parts or spheres–the lithosphere, the hydrosphere, the cryosphere, the …

Biology of Sharks and Their Relatives is an award-winning and groundbreaking exploration
of the fundamental elements of the taxonomy, systematics, physiology, and ecology of …

The isolation of the Southern Ocean after the opening of Drake Passage some 23–25 million
years ago, the formation of the Antarctic Circumpolar Current, the subsequent cooling of the …

With more than 15 000 described marine species, fishes are a conspicuous, diverse and
increasingly threatened component of marine life. It is generally accepted that most large …

Background International fish trade reached an import value of 62.8 billion Euro in 2006, of
which 44.6% are covered by the European Union. Species identification is a key problem …

DNA barcoding—sequencing a standard region of the mitochondrial cytochrome c oxidase 1
gene (COI)—promises a rapid, accurate means of identifying animals to a species level. This …

Barcoding has proven a useful tool in the rapid identification of all life stages of fish species.
Such information is of critical importance for fisheries management and conservation …