Results 71 to 80 of about 4,447 (208)

Ecological Niche Changes of Two Sympatric Species (Pennahia argentata and Larimichthys polyactis) Revealed by Bulk and Compound Specific Isotope Analyses

open access: yesEcology and Evolution, Volume 15, Issue 12, December 2025.
We investigated trophic interactions between two sympatric fish species, Pennahia argentata and Larimichthys polyactis, using bulk and compound‐specific stable isotope analyses. CSIA of amino acids revealed similar trophic positions but distinct δ15N baselines, indicating ontogenetic niche shifts and offshore migration patterns.
Tae‐Sik Yu   +3 more
wiley   +1 more source

Dynamics of bigeye (Thunnus obesus) and yellowfin (T. albacares) tuna in Hawaii’s pelagic fisheries: analysis of tagging data with a bulk transfer model incorporating size-specific attrition [PDF]

open access: yes, 2003
Tag release and recapture data of bigeye (Thunnus obesus) and yellowfin tuna (T. albacares) from the Hawaii Tuna Tagging Project (HTTP) were analyzed with a bulk transfer model incorporating size-specific attrition to infer population dynamics and ...
Adam, M. Shiham   +3 more
core  

Histamine in Brazilian Foods: A Comprehensive Review of Occurrence and Risk Assessment for Intoxication and Intolerance

open access: yesFood Science &Nutrition, Volume 13, Issue 11, November 2025.
Even though histamine plays an important role in human health, it has been associated with food intoxication and intolerance episodes. The most relevant, current state of knowledge regarding histamine's biochemical and health aspects is provided. Histamine levels are provided for 17 food groups, including 335 food types and 11,437 samples, allowing ...
Maria Beatriz A. Gloria   +6 more
wiley   +1 more source

BIOLOGI REPRODUKSI TUNA MATA BESAR (Thunnus obesus) YANG TERTANGKAP DI SAMUDERA HINDIA

open access: yesBAWAL Widya Riset Perikanan Tangkap, 2017
Tujuan penelitian ini adalah untuk mendapatkan informasi mengenai aspek reproduksi ikan tuna mata besar (Thunnus obesus) di perairan Samudera Hindia. Sebanyak 42 contoh gonad dari ikan tuna mata besar yang tertangkap perairan Samudera Hindia antara bulan Maret sampai Oktober 2008 digunakan dalam penelitian ini.
Ria Faizah, Budi Iskandar Prisantoso
openaire   +2 more sources

OCORRí­Å NCIA DE PEIXES CEFALÓPODOS E CRUSTÁCEOS EM ESTÔMAGOS DE ATUNS E ESPÉCIES AFINS CAPTURADAS COM ESPINHEL NO BRASIL (23ºS í  34ºS) 1972 í  1985

open access: yesBoletim do Instituto de Pesca, 2018
Em 3799 estômagos de Thunnus alalunga, Thunnus albacares, Xiphias gladius, Coryphaena hippurus, Tetrapturus albidus, Istiophorus albicans e Thunnus obesus, o item peixes ocorreu com mais frequência na região sudeste e durante o quarto e primeiro ...
Luis Alberto ZAVALA-CAMIN
doaj  

Into the Deep: Origins and Evolution of Northeastern Pacific Ocean Tuna (Thunnus spp.) Fisheries

open access: yesFish and Fisheries, Volume 26, Issue 6, Page 1164-1179, November 2025.
ABSTRACT People have had a profound influence on Earth's biodiversity for millennia, culminating in Anthropocene environmental degradation and the modern biodiversity crisis. While the scale and extent of people's long‐term influence on Earth's biodiversity in terrestrial and nearshore marine ecosystems are relatively well studied, there are ...
Torben C. Rick   +5 more
wiley   +1 more source

Jenis dan Distribusi Ukuran Ikan Hasil Tangkap Sampingan (By Catch) Rawai Tuna yang Didaratkan di Pelabuhan Benoa Bali [PDF]

open access: yes, 2016
Catch of Tuna longline has two types, that is target species and by catch product. This research aims to determine the information type of target species and species by catch, calculate the composition of the fish, size of distribution analysis and ...
Astuti, S. P. (Skar)   +3 more
core  

New Fishing Strategies to Face Climate Change Effects on the Spanish Tropical Tuna Fisheries Off Indian Ocean

open access: yesFisheries Oceanography, Volume 34, Issue 6, Page 17-26, November 2025.
ABSTRACT Tropical tunas, including yellowfin (Thunnus albacares), are recognized as a crucial contributor to global food security. Moreover, yellowfin tuna is the most commercially valuable tropical tuna. The Spanish purse seine freezer fleet, actively operating in the Indian Ocean, emerges as a leading contributor to the global yellowfin tuna catch ...
José Carlos Báez   +4 more
wiley   +1 more source

Vessel Day Scheme and Tuna Catch in the Pacific Island Region

open access: yesAsia &the Pacific Policy Studies, Volume 12, Issue 3, September 2025.
ABSTRACT Tuna fishing is a major source of government revenue and economic growth in the Pacific Island countries. In 2007, a group of these countries introduced the Vessel Day Scheme (VDS), marking a shift from older access agreements to a more structured effort‐based management system.
Champa Bati Dutta   +2 more
wiley   +1 more source

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