Results 51 to 60 of about 8,407 (197)

Captura de tiburones en la región noroccidental de Cuba

open access: yesLatin American Journal of Aquatic Research, 2014
Los tiburones han sido una importante fuente de alimento e ingresos en Cuba. A pesar de esto, es muy escasa la información sobre este grupo y, en las últimas décadas, no han sido objeto de una investigación organizada.
Consuelo Aguilar   +8 more
doaj  

A review of the Japanese longline fishery for tunas and billfishes in the eastern Pacific Ocean, 1993-1997 [PDF]

open access: yes, 2003
English: This report reviews the Japanese longline fishery in the eastern Pacific Ocean during the 1993-1997 period, extending the studies for the 1956-1992 period made by other investigators.
Bayliff, William H., Okamoto, Hiroaki
core  

Abundancia, tamaño y estructura poblacional del tiburón punta blanca de arrecife, Triaenodon obesus (Carcharhiniformes: Carcharhinidae), en Bahía Chatham, Parque Nacional Isla del Coco, Costa Rica

open access: yesRevista de Biología Tropical, 2012
Doce especies de tiburones habitan las aguas del Parque Nacional Isla del Coco (PNIC) y uno de los más abundantes es el tiburón punta blanca de arrecife, Triaenodon obesus.
Ilena Zanella   +3 more
doaj  

Size at maturity and length-weight relationships of the blurred lantern shark Etmopterus bigelowi (Squaliformes: Etmopteridae) caught off southeastern Brazil [PDF]

open access: yes, 2010
The blurred lantern shark Etmopterus bigelowi, a deep-water squaloid shark, is globally widespread in temperate and tropical waters, but there is little available information about its biology owing to its relative rarity of capture and taxonomic ...
Amorim, Mário Jorge   +5 more
core   +1 more source

Diel use of a saltwater creek by white-tip reef sharks Triaenodon obesus (Carcharhiniformes: Carcharhinidae) in Academy Bay, Galapagos Islands

open access: yesRevista de Biología Tropical, 2012
White-tip reef sharks are common inhabitants of the shallow waters surrounding the Galapagos Islands, where several known aggregation sites have become touristic attractions.
César Peñaherrera   +2 more
doaj   +2 more sources

ACERCAMIENTO A LA COMPOSICIÓN DE LA DIETA DE Isurus oxyrinchus RAFINESQUE, 1810 (ELASMOBRANCHII: LAMNIDAE) EN AGUAS INTERNACIONALES DEL PACÍFICO SUR CENTRAL.

open access: yesRevista de Investigaciones Marinas, 2023
En el presente trabajo se analizaron las pautas alimenticias del marrajo azul, Isurus oxyrinchus, especie accesoria en la pesquería con palangre de superficie donde la especie objetivo es el pez espada, Xiphias gladius.
G.R. Mucientes-Sandoval   +1 more
doaj  

Habitat use and movement patterns of juvenile and neonate blacktip sherks, Carcharhinus limbatus in nursery areas on San Cristobal Island, Galápagos. [PDF]

open access: yes, 2013
Short-term movements and habitat preference of juvenile blacktip sharks were studied in nursery areas on San Cristóbal Island, Galapagos. We actively tracked a total of 8 individual sharks.
Hirschfeld, Maximilian
core  

Adaptive spatiotemporal management to reduce shark bycatch in tuna fisheries

open access: yesConservation Biology, Volume 38, Issue 4, August 2024.
Abstract Purse‐seine tropical tuna fishing in the eastern tropical Pacific Ocean (EPO) results in the bycatch of several sensitive species groups, including elasmobranchs. Effective ecosystem management balances conservation and resource use and requires considering trade‐offs and synergies.
Guillermo Ortuño Crespo   +4 more
wiley   +1 more source

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