The Mobulidae are zooplanktivorous elasmobranchs comprising two recognized species of
manta rays (Manta spp.) and nine recognized species of devil rays (Mobula spp.). They are …

Problems with the state of our knowledge of the phylogenetic history and species-level
diversity of the South and Central America freshwater ichthyofauna are discussed …

The fish faunas of continental South and Central America constitute one of the greatest
concentrations of aquatic diversity on Earth, consisting of about 10 percent of all living …

The higher-level taxonomy of the stingrays (Dasyatidae) has never been comprehensively
reviewed. Recent phylogenetic studies, supported by morphological data, have provided …

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 …

Today, 93 percent of freshwater drainage off South America runs into the Atlantic. South
America's drainage pattern was shaped by its persistent Guyana and Brazilian continental …

This study explores the dichotomy between undulatory (passing multiple waves down the fin
or body) and oscillatory (flapping) locomotion by comparing the kinematics of pectoral fin …

Skates, rays and allies (Batoidea) comprise more than half of the species diversity and much
of the morphological disparity among chondrichthyan fishes, the sister group to all other …

Amazonian rivers contain a remarkable fauna of endemic species derived from taxa that
generally occur in oceans and seas. Several hypotheses have been proposed to explain the …

The Amazon basin harbours the most diverse assemblage of freshwater fishes in the world,
including a disproportionately large number of marine-derived groups, such as stingrays …