Article
Fisheries
Jose Francisco Dominguez-Contreras, Sylvia Patricia Adelheid Jimenez-Rosenberg, Nicole Reguera-Rouzaud, Laura Sanchez-Velasco, Noe Diaz-Viloria
Summary: This research study provides the first morphological description of the Colorado snapper larvae using DNA barcoding. The study used a mitochondrial gene, COI, to analyze genetic differences among L. colorado and other Lutjanidae species. The results confirmed the identification of 16 larvae as L. colorado and discussed the similarities and differences in morphology compared to other species in the Northeastern Pacific.
JOURNAL OF FISH BIOLOGY
(2023)
Article
Ecology
Jackellynne Fernanda Farias Fernandes, Jailza Freitas, Sandra Alves de Araujo, Thiago Campos de Santana, Rafael Santos Lobato, Marina Bezerra Figueiredo
Summary: This study investigated the reproductive activity of the lane snapper in the Maranhao continental shelf. The results showed a deviation in the sex ratio and a clear seasonality in the reproductive period. The findings suggest that the stock of this species may not yet be overexploited, but fishing pressure could impact its population.
ENVIRONMENTAL BIOLOGY OF FISHES
(2022)
Article
Fisheries
Gabriela Lucano-Ramirez, Salvador Ruiz-Ramirez, Jorge A. Rojo-Vazquez, Raul E. Lara-Mendoza, Consuelo M. Aguilar-Betancourt, Gaspar Gonzalez-Sanson
Summary: Research on the reproduction of snappers, specifically the spotted rose snapper Lutjanus guttatus caught in Navidad Bay, Mexico, has revealed asynchronous oocyte development and a main reproductive season from June to September. Further studies are recommended to improve understanding of reproductive and fishing activities.
LATIN AMERICAN JOURNAL OF AQUATIC RESEARCH
(2023)
Article
Biochemistry & Molecular Biology
Marco Masi, Mariagioia Petraretti, Antonino De Natale, Antonino Pollio, Antonio Evidente
Summary: This study evaluated three fungal metabolites as potential antifungal compounds against damaging fungi isolated from Roman remains in Italy. Two of the metabolites showed antifungal activity against Aspergillus niger and Fusarium oxysporum, indicating their potential for preservation of artworks and archaeological sites.
Article
Multidisciplinary Sciences
Ivana Veneza, Raimundo da Silva, Charles Ferreira, Patricia Mendonca, Iracilda Sampaio, Grazielle Evangelista-Gomes
Summary: This study investigated the genetic diversity, population structure, and demographic history of the Brazilian snapper, Lutjanus alexandrei, in Northeastern Brazil. The findings revealed high levels of genetic diversity and population expansion during the Pleistocene, possibly influenced by larval dispersal and sea level variations.
Article
Multidisciplinary Sciences
Atsushi Nanami
Summary: This study investigated the ecological characteristics of fish aggregations of two snapper species. It found that the formation of fish aggregation had seasonal and lunar-phase periodicity and was associated with reproductive purposes. The study also revealed spatial variations in fish density within the aggregation site and significant differences in fish abundance inside and outside the aggregation site. These findings suggest that the fish aggregations can be regarded as spawning aggregations.
Article
Parasitology
P. J. Villalba-Vasquez, J. Violante-Gonzalez, G. Pulido-Flores, S. Monks, A. A. Rojas-Herrera, P. Flores-Rodriguez, C. Cayetano, J. L. Rosas-Acevedo, N. G. Santos-Bustos
Summary: This study investigated the metazoan parasite communities of Lutjanus peru in Acapulco Bay, Mexico. The results showed high variability in species composition, but overall structural stability of the parasite communities. No clear interannual variation pattern was observed, suggesting different responses of parasite species to environmental factors.
JOURNAL OF HELMINTHOLOGY
(2022)
Article
Environmental Sciences
Xiaoxiao Zhong, Shitao Yu, Henglong Xu
Summary: The study investigated the body-size spectrum of protozoan periphytons using different sampling systems, revealing significant influence of tidal events on the body-size spectrum and differences in patterns and frequency of occurrence between the PFES and CS systems.
MARINE POLLUTION BULLETIN
(2021)
Article
Behavioral Sciences
Roni Ostreiher, Roger Mundry, Aviad Heifetz
Summary: In cooperatively breeding species, the duration of sentinel behavior is shorter when another sentinel is present, especially for subordinate group members. Experimental results indicate that sentinel bouts are significantly shorter in the presence of another sentinel.
Article
Biology
Alejandra Murillo-Rios, Silvia Ramirez-Flores, Juan Esteban Barquero-Chanto, Nelson Pena-Navarro, Ricardo Perez-Enriquez
Summary: In this study, the genetic status of the commercially important marine fish Lutjanus guttatus in Costa Rica was evaluated using microsatellites. The results showed that the fish species has high levels of genetic diversity, but with low observed heterozygosity. There was no significant differentiation in genetic subpopulations between the two study sites. It is suggested that there may be mixing of fish from different origins in the wild environment. The use of genetic markers is recommended for monitoring and evaluating restocking programs.
REVISTA DE BIOLOGIA TROPICAL
(2023)
Article
Parasitology
Juan Violante-Gonzalez, Princessa J. Villalba-Vasquez, Scott Monks, Carlos Valencia-Cayetano, Nataly G. Santos-Bustos, Shirley S. Salas-Villalobos, Dolores I. Carpio-Hernandez, Francisco Valente-Alarcon
Summary: Strange oceanographic events like El Nino and La Nina may indirectly affect the transmission processes of intestinal parasites through changes in populations of intermediate or definitive hosts. A study in Acapulco Bay, Mexico found that parasite communities in Lutjanus inermis showed interannual variations in species composition and structure, likely influenced by oceanographic events such as El Nino-Southern Oscillation (ENSO) and La Nina. The abundance of component species of parasites varied significantly, but species richness and diversity remained relatively stable over time.
FOLIA PARASITOLOGICA
(2023)
Article
Zoology
Noe Diaz-Viloria, Adriana Max-Aguilar, Mailin I. Rivera-Lucero, Elaine Espino-Barr, Nicole Reguera-Rouzaud, Andrea Casaucao-Aguilar, Ricardo Perez-Enriquez
Summary: This study assessed the genetic diversity and population genetic structure of the spotted rose snapper in the Tropical Eastern Pacific using 12 microsatellite loci. The results showed high genetic diversity and a panmictic population structure across all sampled sites. The study also discussed the role of larval dispersal, post-recruitment migration, and marine current dynamics in shaping the genetic connectivity of this species.
NEOTROPICAL ICHTHYOLOGY
(2023)
Article
Physics, Multidisciplinary
Sourav Kumar Sasmal, Anshu, Balram Dubey
Summary: This study explores the impact of cooperation on ecological systems, analyzing the effects of hunting cooperation among predators and fear-induced birth reduction in prey population using mathematical models. Various stability and bifurcation scenarios are studied, along with the conditions for Turing instability in a spatially extended system. Numerical simulations validate the analytical results for both spatial and non-spatial models.
EUROPEAN PHYSICAL JOURNAL PLUS
(2022)
Article
Chemistry, Multidisciplinary
Ildiko Benedek, Tamas Molnar
Summary: The study investigates the prey size preference of wild pikeperch and suggests using a predator-prey length ratio (PPR) of 0.11-0.22 in foraging training, which is smaller than the optimal PPR for wild individuals.
APPLIED SCIENCES-BASEL
(2023)
Article
Marine & Freshwater Biology
Jessica Valenzuela, David Bellwood, Renato Morais
Summary: Planktivorous reef-associated fishes, particularly fusiliers, play a significant role in linking pelagic and reef environments. A study at Lizard Island in the Great Barrier Reef revealed that larger fusiliers tend to be found in exposed reef sites, while sheltered sites are populated mostly by smaller individuals, suggesting an ontogenetic habitat shift based on size. This shift to more exposed habitats with increasing size, especially in Caesio cuning, is associated with distinct behavioral differences, providing insight into the ecological roles of fusiliers.
