Antarctic biologists frequently emphasize the differences between the modern Antarctic
environment and its fauna, and aquatic habitats and faunas elsewhere in the world. While it …

Distance, currents, deep water and sub‐zero temperatures isolate the waters of the Antarctic
continental shelf from other shelf areas in the Southern Hemisphere. The Antarctic shelf is …

Notothenioids are a clade of∼ 120 species of marine fishes distributed in extreme southern
hemisphere temperate near-shore habitats and in the Southern Ocean surrounding …

Antarctic waters represent a unique marine environment delimited by an oceanographic
barrier, the Polar Front Zone, and characterized by constant subzero temperatures and …

Phylogenetic relationships among angelfishes (Pomacanthidae) and their putative sister
taxon, the butterflyfishes (Chaetodontidae), were examined using 12S and 16S …

The American seven‐spined gobies (Gobiidae, Gobiosomatini) are highly diverse both in
morphology and ecology with many endemics in the Caribbean region. We have …

Phylogenetic relationships among the 12 recognized fish species in the New World genus
Centropomus (Pisces, Centropomidae) were analyzed using allozyme electrophoresis and …

The concept of species flocks has been central to previous interpretations of patterns and
processes of explosive species radiations within several groups of freshwater fishes. Here …

The evolution of species‐specific mate recognition signals is of particular interest within
speciose mono‐phyletic groups with restricted distributions (known as “species flocks”) …

We analysed cytochrome oxidase I (COI) barcodes for 35 putative fish species collected in
the Scotia Sea, and compared the resultant molecular data with field-based morphological …