Results 21 to 30 of about 806 (167)

Assessing trophic interactions among three tuna species in the Solomon Islands based on stomach contents and stable isotopes

Frontiers in Marine Science, 2022
Trophic research is essential to the conservation and management of fishery resources. This study analyzed the feeding habits and nutritional interactions among three tuna species in the waters of the Solomon Islands (5°12′S–15°20′S, 157°31′E–172°19′E ...
Ri Jin Jiang, Ri Jin Jiang, Ri Jin Jiang, Fan Yang, Fan Yang, Fan Yang, Fan Yang, Feng Chen, Feng Chen, Feng Chen, Rui Yin, Rui Yin, Rui Yin, Ming Zhi Liu, Ming Zhi Liu, Ming Zhi Liu, Ming Zhi Liu, Wen Bin Zhu, Wen Bin Zhu, Wen Bin Zhu, Ai Guo, Ai Guo, Ai Guo, Lian Wei Liu, Lian Wei Liu, Lian Wei Liu   +25 more
doaj   +1 more source

Tunas off northwest Africa: The epipelagic diet of The Bigeye and Skipjack tunas [PDF]

Fisheries Research, 2021
Abstract Tunas are among the most exploited top predators worldwide, with negative impacts on some of their stocks. Changes in their population abundance can impact marine food-webs and have the potential to alter entire ecosystems. To better understand the impacts of the exploitation of tuna stocks in the most critical habitats, basic knowledge on ...
Joana Romero, Paulo Catry, Margarida Hermida, Verónica Neves, Bárbara Cavaleiro, Lídia Gouveia, José Pedro Granadeiro   +6 more
openaire   +2 more sources

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

PLoS 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, Ricardo P Babaran, Mudjekeewis D Santos   +2 more
doaj   +1 more source

Spatial variation in bigeye tuna Thunnus obesus size at sexual maturity in the eastern Pacific Ocean

Aquaculture and Fisheries, 2023
Understanding the reproductive characteristics of a species is of crucial for accurate stock assessment and management plans to ensure sustainable fisheries.
Hongji Huang, Cheng Zhou, Liuxiong Xu, Jiangfeng Zhu, Xuefang Wang, Jie Cao   +5 more
doaj   +1 more source

Feeding Habits of Bigeye Tuna (Thunnus obesus) in the Western Indian Ocean Reveal a Size-Related Shift in Its Fine-Scale Piscivorous Diet

Frontiers in Marine Science, 2020
This study analyzed the piscivorous diet of bigeye tuna (Thunnus obesus) through species identification of both fish and otolith remains in stomachs of 183 bigeye tuna collected in the western Indian Ocean.
Chien-Hsiang Lin, Jing-Siang Lin, Kuo-Shu Chen, Meng-Hsien Chen, Meng-Hsien Chen, Chiee-Young Chen, Chih-Wei Chang, Chih-Wei Chang, Chih-Wei Chang   +8 more
doaj   +1 more source

Comparison of Nutritional Components and Flavor Substances of Different Muscle Parts of Three Kinds of Tuna Species

Shipin gongye ke-ji, 2022
To scientifically evaluate the nutritional components and flavor substances of different muscle parts of bigeye tuna, yellowfin tuna and bluefin tuna, the differences among different species and parts of three tuna species were compared through basic ...
Ling ZHAO, Mengyue HU, Rong CAO, Qi LIU, Fanyong MENG   +4 more
doaj   +1 more source

Genetic validation of the unexpected presence of a tropical tuna, bigeye tuna (Thunnus obesus), in the Mediterranean [PDF]

Journal of Fish Biology, 2021
AbstractBigeye tuna (Thunnus obesus, Lowe, 1839) is one of the eight recognized species of the genus Thunnus. It is considered a tropical species distributed in the Atlantic, Pacific and Indian Oceans. To date, no validated presence of this species has been reported inside the Mediterranean Sea.
Nuria Pérez Bielsa, Judith Ollé, David Macías, Sámar Saber, Jordi Viñas   +4 more
openaire   +4 more sources

Spatiotemporal Patterns in the Distribution of Albacore, Bigeye, Skipjack, and Yellowfin Tuna Species within the Exclusive Economic Zones of Tonga for the Years 2002 to 2018

Diversity, 2023
The Tongan fisheries targeting the species of albacore (Thunnus alalunga), bigeye (Thunnus obesus), skipjack (Katsuwonus pelamis), and yellowfin tuna (Thunnus albacares), comprising the main tuna catch landed, within the EEZ of Tonga is critical to the ...
Siosaia Vaihola, Dawit Yemane, Stuart Kininmonth   +2 more
doaj   +1 more source

Trends of Indonesia’s bigeye tuna longline fisheries in the Eastern Indian Ocean: Catch per unit effort and length distribution [PDF]

E3S Web of Conferences, 2023
Bigeye tuna, Thunnus obesus (Lowe, 1839), is one of the primary target species for Indonesian tuna longliners operated in the eastern part of the Indian Ocean.
Hartaty Hety, Setyadji Bram, Sadiyah Lilis, Satria Fayakun   +3 more
doaj   +1 more source

Kandungan Logam Berat Merkuri Pada Ikan Tuna (Yellowfin Dan Bigeye) Dan Tuna-Like (Swordfish) Hasil Tangkapan Dari Samudera Hindia Dan Samudera Pasifik

Jurnal Pascapanen dan Bioteknologi Kelautan dan Perikanan, 2019
Komoditi tuna dan tuna-like merupakan hasil perikanan yang memiliki nilai ekonomis bagi Indonesia. Namun, logam berat dapat terakumulasi di biota ini karena posisinya sebagai top predator.
Tri Handayani , Mohamad Syamsul Maarif , Etty Riani , Nazori Djazuli   +3 more
doaj   +1 more source