Article
Environmental Sciences
Kaili M. Gregory, Katherine McFarland, Matthew P. Hare
Summary: Low salinity has negative effects on reproduction in estuarine bivalves. It delays gametogenesis and spawning in oysters, except in June when low salinity promotes earlier gametogenesis. The findings suggest that low salinity not only affects the timing of reproduction but also extends the reproductive season.
ESTUARIES AND COASTS
(2023)
Article
Fisheries
Stylianos Somarakis, Maria Giannoulaki, Konstantinos Markakis, Kostas Tsiaras, Eudoxia Schismenou, Panagiota Peristeraki
Summary: Golani's round herring, Etrumeus golanii, has a well-established local population in the western Mediterranean and exhibits a protracted breeding period from winter to early summer. Its reproduction is closely related to the seasonal cycle of planktonic production.
MEDITERRANEAN MARINE SCIENCE
(2021)
Article
Fisheries
Andreia Ovelheiro, Joao Monteiro, Patricia Gonsalves, Marco Antonio Campinho, Francisco Maia, Maria A. Teodosio, Francisco Leitao
Summary: Gonadal histological analysis of Carcinus maenas in Portugal reveals significant differences in gonad weight, gonadosomatic index, and oocyte diameter among different locations, suggesting geographic variations. A proposed macroscopic scale based on histological analyses provides a more accurate classification of ovary development stages.
FISHERIES RESEARCH
(2023)
Article
Engineering, Marine
Roberta Cardozo P. Garcia, Cecilia Fernanda F. Craveiro, Caroline Bernabe, Maria Aparecida Silva, Paulo Henrique R. Aride, Adriano T. Oliveira, Flavia Regina S. C. Goncalves, Jones S. Neto, Henrique D. Lavander, Caterina Faggio
Summary: This study describes the reproductive cell development and ovarian developmental stages of white shrimp (Penaeus schmitti) caught off the southern coast of Espirito Santo, Brazil. The research identified non-germinal components and characterized five stages of gonadal development, providing essential information for understanding and promoting the reproductive aspects of penaeid shrimps.
JOURNAL OF MARINE SCIENCE AND ENGINEERING
(2021)
Article
Multidisciplinary Sciences
Che-Hung Lin, Shunichi Takahashi, Aziz J. Mulla, Yoko Nozawa
Summary: Moonlight has been shown to suppress coral spawning, with spawning typically occurring 5 days after shading. Laboratory experiments demonstrate that a dark period between day-light and night-light conditions can eliminate the suppressive effect of night-light on spawning. The period of darkness between sunset and moonrise during the lunar cycle triggers synchronized mass spawning of corals in nature.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2021)
Review
Fisheries
Alejandro S. Mechaly, Sergio R. Batlouni, Mariano Elisio, Eduardo A. Sanches, Jonathan Chacon Guzman, Minerva Maldonado Garcia, Adriana Rodriguez-Forero, Paula Vissio, Elvira Fatsini, Jesus Nunez, Neil Duncan
Summary: Aquaculture is a solution to the increasing global demand for fish, and recent reports have shown that aquaculture production in Latin America has grown at rates higher than the world average. The main challenge in diversifying Latin American aquaculture lies in controlling reproduction in certain popular native fish species. This article reviews the use of hormone treatments to enhance reproduction in females of these species, highlighting the historical contribution of Latin America to hormone administration in fish culture and suggesting future research directions to improve reproductive control.
REVIEWS IN AQUACULTURE
(2023)
Article
Multidisciplinary Sciences
Come Denechaud, Audrey J. Geffen, Szymon Smolinski, Jane A. Godiksen
Summary: The study suggests that spawning zones may be a universal trait of Atlantic cod and not limited to specific environments or migratory behaviors. Age at maturity derived from spawning zone data shows similar trends to gonad maturity stages, but there is a lag of one to two years between spawning events and sexual maturity, likely reflecting a stabilization of energy partitioning.
Article
Agriculture, Dairy & Animal Science
Dallas R. Soffa, Jacob W. Stewart, Erica D. Pack, Alicia G. Arneson, Raffaella De Vita, James W. Knight, Dane W. Fausnacht, Robert P. Rhoads, Sherrie G. Clark, David G. Schmale, Michelle L. Rhoads
Summary: This study evaluated the effects of short-term consumption of zearalenone on growth, carcass weight, liver weight, and reproductive tissues in pubertal gilts. The results showed that short-term consumption of zearalenone produced microscopic alterations in reproductive organs, which are likely to have negative effects on their subsequent function and these differences persist even after zearalenone consumption ceases.
JOURNAL OF ANIMAL SCIENCE
(2023)
Article
Fisheries
Munetsi Zvavahera, Sanet Hugo, Niall G. Vine, Olaf L. F. Weyl
Summary: A morphometric analysis of estuarine round herring showed that sites on the same river system and geographically close sites share similar morphometric traits. Caudal fin length was found to be strongly related to river systems, with some influence from salinity and turbidity. The study suggests that variation in environmental productivity affects body condition in different populations.
JOURNAL OF FISH BIOLOGY
(2022)
Article
Biochemistry & Molecular Biology
Guodong Ge, Yong Long, Guili Song, Qing Li, Zongbin Cui, Huawei Yan
Summary: Temperature has a significant impact on the reproduction of zebrafish, with lower temperatures inhibiting the spawning of females. Through RNA-seq analysis of brain tissues under different cold temperatures, key genes, hub pathways, and important biological processes involved in the spawning of zebrafish were identified. The findings highlight hormone-related genes and signaling pathways crucial for the spawning of female zebrafish under cold stress.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2022)
Article
Environmental Sciences
Miguel Gonzalez-Doncel, Jose Enrique Garcia-Maurino, Eulalia Maria Beltran, Carlos Fernandez Torija, Oscar Andreu-Sanchez, Maria Victoria Pablos
Summary: The number of studies evaluating the effects of microplastics on fish has increased, but few studies have explored the long-term effects. This study found that a 150-day exposure to polystyrene microplastics did not affect overall fish growth and development, but did have mild effects on certain organs and reproduction.
ENVIRONMENTAL POLLUTION
(2022)
Article
Plant Sciences
Sahar Solhjoo, Reza Fatahi, Zabihollah Zamani, Abdolkarim Chehregani Rad, Fabio Palumbo, Gianni Barcaccia
Summary: This study systematically analyzed the reproductive origin of Persian walnut using molecular and cytological analyses. The results showed that asexual reproduction through seeds was not supported, and all individuals studied were identified as zygotic plants produced by crossing. The cytological findings did not completely confirm apomeiosis, the first component of apomixis, but adventitious embryony seemed to occur at a low frequency. Overall, gametophytic apomixis is unlikely to occur in Persian walnut, but sporophytic apomixis cannot be completely ruled out.
FRONTIERS IN PLANT SCIENCE
(2023)
Article
Marine & Freshwater Biology
Taryn Smit, Daniel A. Lemley, Janine B. Adams, Nadine A. Strydom
Summary: This study conducted in a warm-temperate South African estuary reveals that harmful algal blooms can alter the population dynamics of dominant larval fish and zooplankton species, particularly during bloom phases where there is a mismatch between prey and predator densities. The impacts of recurrent harmful algal blooms on estuarine ecosystem function are highlighted, emphasizing the importance of understanding the fine-scale consequences of these events in a future of intensifying eutrophication.
ESTUARINE COASTAL AND SHELF SCIENCE
(2021)
Article
Entomology
Colby D. Klein, Ivanna Kozii, Sarah C. Wood, Roman Koziy, Michael W. Zabrodski, Ihor Dvylyuk, Igor Medici de Mattos, Igor Moshynskyy, Ali Honaramooz, Elemir Simko
Summary: This study describes the anatomy and sequential histological stages of normal testicular atrophy of honey bee drones sampled daily from emergence to sexual maturity in the spring and early summer. The findings provide a foundation for future studies investigating potential pathological effects of stressors on drone testes during sexual maturation.
JOURNAL OF INSECT SCIENCE
(2021)
Article
Oceanography
Khairul Amri, Asep Priatna, Asep Ma'mun, Bram Setyadji, Tirtadanu, Ali Suman, R. Dwi Susanto, Jonson Lumban Gaol, Bisman Nababan, Muchlizar, Widodo S. Pranowo, Deni Efizon
Summary: Longtail shad, an endemic species in Siak River estuary, Riau, is facing extinction due to overfishing and habitat degradation. The government's effort to control exploitation has been hindered by weak law enforcement. A hydro-acoustic study and oceanographic surveys revealed the occurrence of spawning migration and the driving factors behind it.
OCEAN & COASTAL MANAGEMENT
(2023)
Article
Fisheries
Marina Marrari, Gustavo J. Macchi, Betina Santos, Ezequiel Leonarduzzi
FISHERIES OCEANOGRAPHY
(2019)
Article
Fisheries
Maria I. Militelli, Carla Firpo, Karina A. Rodrigues, Gustavo J. Macchi
FISHERIES RESEARCH
(2019)
Article
Biodiversity Conservation
Manuel Novillo, Eugenia Moreira, Gustavo Macchi, Esteban Barrera-Oro
Article
Geosciences, Multidisciplinary
S. Lopez, G. J. Macchi, M. Militelli
JOURNAL OF MARINE SYSTEMS
(2020)
Article
Fisheries
Marina V. Diaz, Marina Do Souto, Paola Betti, Brenda Temperoni, Agustin Schiariti, Laura Machinandiarena, Daniel R. Brown, Gustavo J. Macchi
FISHERIES OCEANOGRAPHY
(2020)
Article
Fisheries
Maria Militelli, Carla Firpo, A. Cecilia Mauna, Karina A. Rodrigues, Gustavo J. Macchi
FISHERIES RESEARCH
(2020)
Article
Marine & Freshwater Biology
Sergio M. Delpiani, Daniel O. Bruno, Maria Militelli, Fabian H. Acuna, Juan M. Diaz de Astarloa, Mariano Gonzalez Castro
Summary: Hypleurochilus fissicornis is a resident species in the intertidal and subtidal zones of Mar del Plata, Argentina. This species exhibits low fecundity with benthic eggs and parental care, breeding in rocky intertidal areas. The spawning season occurs between December and April, with females reaching first maturity at 53.66mm and males at 55.83mm in total length.
JOURNAL OF THE MARINE BIOLOGICAL ASSOCIATION OF THE UNITED KINGDOM
(2021)
Article
Biodiversity Conservation
Manuel Novillo, Mariano Elisio, Eugenia Moreira, Gustavo Macchi, Esteban Barrera-Oro
Summary: This study investigated the reproductive features of Antarctic fish using Lepidonotothen nudifrons as a model species. The results suggest that spawning of L. nudifrons may begin in March at the South Shetland Islands and that Potter Cove is likely a spawning site for this species.
Article
Fisheries
Gustavo J. Macchi, Marina V. Diaz, Ezequiel Leonarduzzi, Martin Ehrlich, Laura Machinandiarena, Mariana Cadaveira, Maria Ines Militelli
Summary: The study revealed that the reproductive success of the Argentine hake stock is positively influenced by the oldest females and negatively influenced by egg density in the spawning area. The optimal spawning area of Argentine hake was associated with a bottom thermal front, affecting the reproductive success positively.
FISHERIES RESEARCH
(2021)
Article
Biodiversity Conservation
Manuel Novillo, Eugenia Moreira, Gustavo Macchi, Esteban Barrera-Oro
Summary: Our study on the reproductive biology of Harpagifer antarcticus in Paradise Bay, Western Antarctic Peninsula, provided additional reproductive parameters and histological analysis of gonads, clarifying the spawning period of the species in the area. The research confirmed that H. antarcticus spawns during summer at this site, in contrast to an earlier spawning period at the South Orkney Islands. This suggests that environmental factors may influence the timing of reproduction in these populations.
Article
Marine & Freshwater Biology
Marina V. Diaz, Marina Do Souto, Stefania Cohen, Gustavo J. Macchi
Summary: The nutritional condition of anchovy and Argentine hake larvae in the Northern Patagonian Frontal System (NPFS) area was studied in the austral spring of 2018 to investigate the features for larval growth and survival. Results showed a favorable nursing area for anchovy and identified the RD index as a powerful tool for assessing larval survival probability and favorable rearing areas.
Article
Oceanography
Carla Firpo, Maria Ines Militelli, Mauro Alejandro Eduardo Chaparro, Cecilia Mauna, Pablo Lertora
Summary: Southern king crab is a valuable fishing resource in the Argentine Patagonia. The clutch fullness index (CFI) has been used as an indicator of population health and showed signs of overexploitation in 2015. This study assessed temporal variations in CFI in relation to fishing effort and management measures. The results showed that CFI varied among years and was opposite to the fishing effort, indicating the effectiveness of management measures.
OCEAN & COASTAL MANAGEMENT
(2023)
Review
Fisheries
Rosario Dominguez-Petit, Cristina Garcia-Fernandez, Ezequiel Leonarduzzi, Karina Rodrigues, Gustavo Javier Macchi
Summary: This paper discusses the importance of parental effects on the reproductive success of aquatic animals and their impact on population dynamics. Parental effects refer to the influence of environmental conditions and phenotype on the phenotype of offspring during development and can help mitigate external impacts.