Results 21 to 30 of about 734 (161)
Bulletin of Marine and Coastal Research, 2016 Morphologic information about two individuals of Torpedo peruana from the Colombian Pacific coast is presented. The species had not been reported before from tropical South American waters; this finding ratifies its validity after its redescription.
Angulo, Jorge Augusto, Acero P., Arturo
openaire +2 more sources
Amphibdellid (monogenean) parasites of electric rays (Torpedinidae) [PDF]
Journal of the Marine Biological Association of the United Kingdom, 1960 Electric rays (Torpedinidae) are known to harbour on their gills certain monogenean parasites (Amphibdella spp. and Amphibdelloides spp.) whose taxonomy is in a very confused state. Muchof this confusion has centred around a single morphological feature: a ‘transverse bar’ has been variously held to be present or absent from the adhesive apparatus, or ...
openaire +1 more source
International Scholarly Research Notices, Volume 2013, Issue 1, 2013., 2013 Due to their basal position in the vertebrate phylogenetic tree, the study on elasmobranch genetics and cytogenetics can provide remarkable information on the mechanisms underlying the evolution of all vertebrates. In recent years, different molecular approaches have been used to study the relationships between the different taxonomic groups of ...
Lucia Rocco +3 more
wiley +1 more source
A Review of the Status of Sharks, Rays and Chimaeras of Panama to Guide Research and Conservation
Aquatic Conservation: Marine and Freshwater Ecosystems, Volume 35, Issue 4, April 2025.ABSTRACT Chondrichthyan fishes (sharks, rays and chimaeras) are a group of high conservation concern globally. Species are impacted by varying threats, although fishing pressure is the primary stressor causing population declines. Panama comprises both Pacific and Caribbean coastlines with a diversity of estuarine and marine habitats supporting small ...
Jorge Manuel Morales‐Saldaña +5 more
wiley +1 more source
A CHECK-LIST OF FOSSIL CHONDRICHTHYES FROM BRIELAS (LANGHIAN, PORTUGAL) [PDF]
, 2018 Located in a slope of the Costa de Caparica motorway, in the peninsula of Setúbal, West Portugal, the outcrop of Brielas stand out as one of the best Miocene sections of the Lower Tagus Basin to collect a great diversity of fossil Chondrichthyes, which ...
Antunes, Miguel +2 more
core
Mitigating the effect of by‐catch on endangered marine life
Animal Conservation, Volume 28, Issue 2, Page 172-184, April 2025.Fishing gears cause substantial impacts on the oceans and their ecosystems, and many marine animals, such as sea turtles, marine mammals, seabirds and elasmobranchs, end up as by ‐catch. In this paper, the most effective mitigation measures were investigated for each group, taking into account the fishing gear with which they interact most.
M. Villafáfila +2 more
wiley +1 more source
Consumption to biomass (Q/B) ratio and estimates of Q/B-predictor parameters for Caribbean fishes [PDF]
, 2002 Estimates of the Q/B ratio and parameters of equations to 'predict' Q/B values for 116 fish stocks in the Gulf of Salamanca, Colombia are presented. A compilation of these estimates available for Caribbean Sea fishes (264 stocks) is also provided for ...
Duarte, L.O., Garcia, C.B.
core
Trait‐Based Indicators of Marine Communities' Sensitivity to Climate Change and Fishing
Diversity and Distributions, Volume 31, Issue 1, January 2025.ABSTRACT Aim Overexploitation of wildlife and anthropogenic climate change are key drivers of global biodiversity loss. Investigating how these stressors interact and affect ecosystems is critical for conservation efforts. Following trait‐based vulnerability assessments, we propose two community‐level sensitivity indicators: climate change (SCC) and ...
Julia Polo +11 more
wiley +1 more source
Biofluorescence in Catsharks (Scyliorhinidae): Fundamental Description and Relevance for Elasmobranch Visual Ecology. [PDF]
Sci Rep, 2016 Biofluorescence has recently been found to be widespread in marine fishes, including sharks. Catsharks, such as the Swell Shark (Cephaloscyllium ventriosum) from the eastern Pacific and the Chain Catshark (Scyliorhinus retifer) from the western Atlantic,
Gruber DF +9 more
europepmc +2 more sources
Environmental DNA, Volume 6, Issue 3, May–June 2024.Schematic representation of the sampling method. Surface sampling is conducted from a boat with a pump allowing live water filtration through an enclosed capsule. Bottom sampling is performed simultaneously on the same transect, with an underwater pump connected to an enclosed capsule and fixed on a DPV driven by a diver.
Sylvain Roblet +4 more
wiley +1 more source