Results 111 to 120 of about 21,186 (271)
Journal of Fish Biology, EarlyView.Abstract Sex is an important driver of variation in behaviour, ecology and physiology. Sex identification in the Critically Endangered European eel (Anguilla anguilla) currently requires fish sacrifice, or the use of morphological differences such as body length, which can be inaccurate in certain habitats and at intermediate body lengths.
Michael J. Williamson +12 more
wiley +1 more source
Semi-pelagic Longline and Trammel Net Elasmobranch Catches in Southern Portugal: Catch Composition, Catch Rates and Discards [PDF]
, 2004 In Portugal, elasmobranch landings have decreased substantially in recent years. In this work, elasmobranch catches in semi-pelagic longlines (1997 and 1998) were compared with those in trammel nets (2000) in the Algarve, southern Portugal areas.
Bentes, Luis +7 more
core
Journal of Fish Biology, EarlyView.Abstract Reports of teratogenic embryos in elasmobranchs have been documented in multiple species, with proposed aetiologies including environmental disturbances, genetic mutations, predation, exposure to endocrine‐disrupting compounds and maternal stress.
Douglas de Castro Ribeiro +2 more
wiley +1 more source
Digenea and acanthocephala of elasmobranch fishes from the southern coast of Brazil
Memorias do Instituto Oswaldo Cruz, 2001 New records for helminth species recovered from elasmobranch fishes in Brazil are established. Digenean and acanthocephalan parasites of elasmobranch fishes are reported from the southern coast of Brazil: Otodistomum veliporum (Creplin, 1837) Stafford ...
Knoff Marcelo +3 more
doaj
Scientific Reports, 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,
David F. Gruber +10 more
semanticscholar +1 more source
The role of two anatomically separate olfactory bulbs in shark food odor tracking [PDF]
, 2017 Most sharks have well-developed olfactory systems and depend to a large degree on odor information to locate food, home and navigate, and possibly detect predators and mates.
Lohe, Adrienne
core +1 more source
Journal of Fish Biology, EarlyView.Abstract The smooth hammerhead (Sphyrna zygaena) is typically considered an oceanic species and is only rarely observed in the cooler coastal waters of the northeastern Atlantic. On 20 December 2024, a juvenile S. zyganea was captured at 25 m depth in the inner Ría de Pontevedra (Rías Baixas, northwest Spain).
Xabier Pin +3 more
wiley +1 more source
Scientia Marina, 2013 Artisanal fisheries in Mexico account for approximately 40% of the total national catch. In 2009, Baja California Sur (BCS) had the second largest catch of elasmobranchs on the Mexican Pacific coast.
Sergio R. Ramirez-Amaro +8 more
doaj +1 more source
Primer registro de anisakis sp. (nematoda, anisakidae) l3 en la cavidad corporal deatlantoraja platana (chondrichthyes, rajidae) [PDF]
, 2015 En la presente nota se registra por primera vez el tercer estadio larval de Anisakis sp. infectando a Atlantoraja platana (Günther, 1880). Los hospederos fueron obtenidos en desembarques pesqueros de plantas de procesado de los puertos de San Antonio ...
Di Giacomo, Edgardo Ernesto +3 more
core +1 more source
Reproductive cycle, nutrition and growth of captive blue spotted stingray, Dasyatis kuhlii (Dasyatidae) [PDF]
At Burgers' Ocean 7 male and 3 female blue spotted stingrays, Dasyatis kuhlii were born over a period of 4.5 years. This paper describes the experiences of the captive breeding results of this species. The first two young died within 2 days of birth. One
Janse, M., Schrama, J.W.
core +3 more sources