Results 21 to 30 of about 683 (172)

Climate Change Potential Impacts on the Tuna Fisheries in the Exclusive Economic Zones of Tonga

open access: yesDiversity, 2023
The potential impacts of climate change on the distribution of tuna in Pacific Island countries’ exclusive economic zones have yet to be investigated rigorously and so their persistence and abundance in these areas remain uncertain.
Siosaia Vaihola, Stuart Kininmonth
doaj   +1 more source

First record in South America of Didymosulcus palati and Didymosulcus philobranchiarca (Digenea, Didymozoidae) with new hosts records and pathological alterations

open access: yesMemorias do Instituto Oswaldo Cruz, 2008
Two species of Didymozoidae, Didymosulcus palati (Yamaguti 1970) and Didymosulcus philobranchiarca (Yamaguti 1970) were reported for the first time in South America, Atlantic Ocean, parasitizing three different tuna species from the coast of Rio de ...
Márcia Cristina Nascimento Justo   +3 more
doaj   +1 more source

Comparison of handline tuna catches in Indian Ocean and Banda Sea waters [PDF]

open access: yesE3S Web of Conferences, 2021
There are two essential landing sites for handline tuna in Indonesia: Palabuhanratu (in the Indian Ocean) and Kendari (in the Banda Sea). This paper analyzes handline catches from the Indian Ocean and Banda Sea waters as the main fishing ground.
Tri Hargiyatno Ignatius   +5 more
doaj   +1 more source

Une tétrarhynchose vasculaire des thons du Golfe de Guinée due aux larves plerocercus de Dasyrhynchus talismani R. Ph. Dollfus 1935

open access: yesRevue d’Elevage et de Médecine Vétérinaire des Pays Tropicaux, 1965
Les thons Thunnus obesus Lowe et, à un moindre degré, Thunnus albacares Bonnaterre pêchés dans le Golfe de Guinée hébergent dans leur appareil circulatoire (vaisseaux du foie, de la rate et des caecums pyloriques) les larves plerocercus d'un Cestode de l'
Jean Bussiéras, J.F. Aldrin
doaj   +1 more source

Notes on helminth parasites of tuna fishes (Scombridae) in Brazil

open access: yesRevista Mexicana de Biodiversidad, 2012
Four species of Scombridae from the coast of Rio de Janeiro, southwest Atlantic Ocean were found to be parasitized with species of Didymozoidae (Digenea): Thunnus atlanticus (Lesson) a new host record for Nephrodidymotrema ahi Yamaguti, 1970 ...
Márcia Cristina Nascimento-Justo   +1 more
doaj   +1 more source

Discrimination of juvenile yellowfin (Thunnus albacares) and bigeye (T. obesus) Tunas using mitochondrial DNA control region and liver morphology. [PDF]

open access: yesPLoS ONE, 2012
Yellowfin tuna, Thunnus albacares (Bonnaterre, 1788) and bigeye tuna, Thunnus obesus (Lowe, 1839) are two of the most economically important tuna species in the world.
Ivane R Pedrosa-Gerasmio   +2 more
doaj   +1 more source

Etude de quelques paramètres de reproduction de Thunnus obesus (Lowe, 1839) débarqué au port d'Abidjan en Côte d'Ivoire [PDF]

open access: yesTropicultura, 2018
Study of Some Reproduction Parameters of Thunnus obesus (Lowe, 1839) landed in the Port of Abidjan in Côte d'Ivoire. Some biological reproductive parameters of Thunnus obesus (Lowe, 1839) in the Eastern Atlantic Ocean have been studied in order to ...
Diaha, NC., Doffou, YC., Goore, BG.
doaj  

Evidence and patterns of tuna spawning inside a large no-take Marine Protected Area

open access: yesScientific Reports, 2019
The Phoenix Islands Protected Area (PIPA), one of the world’s largest marine protected areas, represents 11% of the exclusive economic zone of the Republic of Kiribati, which earns much of its GDP by selling tuna fishing licenses to foreign nations.
Christina M. Hernández   +5 more
doaj   +1 more source

Caracterização da pescaria industrial de espinhel-de-superfí­­cie no Rio Grande do Norte

open access: yesBoletim do Instituto de Pesca, 2017
O Rio Grande do Norte (RN) foi o principal exportador brasileiro de atuns e afins durante o perí­­odo de 2006 a 2016, gerando alimento, emprego e renda, haja vista a sua proximidade com as rotas migratórias desses peixes.
Marcelo Gomes de LIRA   +2 more
doaj   +1 more source

Length-frequency compositions and weight–length relations for bigeye tuna, yellowfin tuna, and albacore (Perciformes: Scombrinae) in the Atlantic, Indian, and eastern Pacific oceans [PDF]

open access: yesActa Ichthyologica et Piscatoria, 2008
Background. Bigeye tuna, Thunnus obesus (Lowe, 1839); yellowfin tuna, Thunnus albacares (Bonnaterre, 1788); and albacore, Thunnus alalunga (Bonnaterre, 1788), are very important species for world fisheries.
G. Zhu, L. Xu, Y. Zhou, X. Dai
doaj   +3 more sources

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