Results 81 to 90 of about 8,765 (202)

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

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

Evaluating effectiveness of biological reference points for bigeye tuna ( Thunnus obesus ) and yellowfin tuna ( Thunnus albacares ) fisheries in the Indian Ocean

open access: yesAquaculture and Fisheries, 2017
Biological reference point (BRP) is one of the essential components in the management strategy evaluation that is used to determine the status of fishery stock and set management regulations. However, as BRPs can be derived from different models and many different BRPs are available, the effectiveness and consistency of different BRPs should be ...
Yuying Zhang   +4 more
openaire   +2 more sources

The Architecture of Vulnerability: Climate-Induced Ecological Rent Redistribution and Fiscal Fragility in Tuna-Dependent Pacific [PDF]

open access: yesBIO Web of Conferences
Kiribati, an archipelagic state comprising 33 atolls situated at the geographic centre of the Pacific, represents one of the world’s most fisheries-dependent economies.
Sudirja Dede   +3 more
doaj   +1 more source

Enhanced thermoregulation abilities of shortfin mako sharks as the key adaptive significance of regional endothermy in fishes

open access: yesJournal of Animal Ecology, Volume 94, Issue 11, Page 2178-2189, November 2025.
We show that regionally endothermic shortfin mako sharks have enhanced thermoregulatory ability with an order higher warming rate than cooling rate during repeated dives, likely optimizing foraging efficiency. This ability, only comparable to bigeye tuna and swordfish in teleosts, represents the key adaptive significance of regional endothermy in ...
Soma Tokunaga   +4 more
wiley   +1 more source

Trematoda, Digenea, Didymozoidae, Wedlia retrorbitalis (Yamaguti, 1970) and Wedlia submaxillaris (Yamaguti, 1970): First record in South America and the Atlantic Ocean.

open access: yesCheck List, 2010
Two species of Didymozoidae originally described from Pacific Ocean, Wedlia retrorbitalis and Wedliasubmaxillaris are reported for the first time in South America, Atlantic Ocean. W.
Kohn, A., Justo, M. C. N
doaj  

Growth of big eye (Thunnus obesus) in the eastern Atlantic

open access: yes, 1978
The growth of big eye tuna (Thunnus obesus) in the Eastern Tropical Atlantic Ocean was studied using Petersen's method, by the analysis of the length frequency data of the F.I.S. (French-Ivorian-Senegalese) surface tuna fleet from 1969 to 1977.
Champagnat, C., Marcille, J., Armada, N.
core  

Rare occurrence of a bigeye tuna Thunnus obesus in British waters, with notes on other occurrences of sub-tropical tunas

open access: yes, 2009
A freshly dead bigeye tuna Thunnus obesus was washed ashore near Burry Port, Wales (51 degrees 40' N; 4 degrees 15' W) in August, 2006. This is only the third occasion that the species has been observed in British waters, and is the largest and most ...
Parry, G.S.   +3 more
core   +1 more source

Evaluating alternative management strategies for bigeye tuna, Thunnus obesus, in the Indian Ocean

open access: yesScientia Marina, 2013
Bigeye tuna (Thunnus obesus) support a large commercial fishery in the Indian Ocean. However, explicit management strategies and harvest control rules are yet to be developed for the management of this fishery. We used a stochastic age-structured production model as an operating model to evaluate several potential management strategies under different ...
Tong, Yuhe, Chen, Xinjun, Chen, Yong
openaire   +4 more sources

Asociación de la abundancia y la distribución vertical de atunes y peces de pico en el sureste del Mar Caribe

open access: yesRevista de Biología Tropical, 2003
Se estimó la profundidad de suspensión de los anzuelos del palangre usando el método de Imitación Mecánica de los Sistemas Flexibles, mientras que la distribución vertical de atunes y peces de pico se determinó mediante el índice de abundancia relativa ...
Nora Eslava   +2 more
doaj  

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