A5074518017- Marine and fisheries research
- Fish Ecology and Management Studies
- Marine animal studies overview
- Ichthyology and Marine Biology
- Olfactory and Sensory Function Studies
- Neurobiology and Insect Physiology Research
- Isotope Analysis in Ecology
- Coral and Marine Ecosystems Studies
- Marine Ecology and Invasive Species
- Algal biology and biofuel production
- Cephalopods and Marine Biology
- Polar Research and Ecology
- Fish Biology and Ecology Studies
- Amphibian and Reptile Biology
- Genetic diversity and population structure
- Antioxidant Activity and Oxidative Stress
- Chromosomal and Genetic Variations
- Mercury impact and mitigation studies
- Aquaculture Nutrition and Growth
- Aquaculture disease management and microbiota
- Identification and Quantification in Food
- Biochemical Analysis and Sensing Techniques
- Animal Behavior and Reproduction
- Reproductive biology and impacts on aquatic species
- Evolution and Paleontology Studies
National Research Council
2018-2024
Stazione Zoologica Anton Dohrn
2022-2024
Institute of Marine Engineering
2024
National Research Council
2023
Weatherford College
2023
British Antarctic Survey
2023
Consorzio Roma Ricerche
2023
University of Genoa
2021
Istituto di Scienze Marine del Consiglio Nazionale delle Ricerche
2016-2019
The olfactory organ of Chondrichthyes is characterized by a central support with several lamellae covered sensory epithelium. Although secondary folds are present on the in all chondrichthyan species analyzed to date, their shape and size have not been described. We here analyze 13 elasmobranch 1 holocephalan species, describe evaluate how they contribute epithelial surface area. vary size, should always be considered when comparing area among species; fact, increase area, due presence...
Abstract A survey of Antarctic toothfish ( Dissostichus mawsoni ) was conducted in the northern Ross Sea region during winter 2016 to document timing and location spawning activity, collect biological information about reproductive status season look for temporal signals data from D. that may indicate a migration mature continental slope region. The 58 day showed began on some seamounts by early July. No changes were detected between summer length, age, sex ratio or condition factor...
Abstract Gametes from gravid Antarctic toothfish ( Dissostichus mawsoni ) were combined in vitro and buoyancy measurements made on fertilised eggs during early development. Eggs strongly positively buoyant, indicating that they would ascend quickly the water column reside near or association with underside of sea ice, which covers most spawning habitat winter. An ice may provide: protection turbulence ice‐free surface waters, a mechanism modifies velocity advection by currents, concentrated...
The Antarctic endemic fish genus Trematomus (Trematominae, Notothenioidei) includes 15 species very diverse in morphology, lifestyle and feeding ecology. Co-occurring on the continental shelf, they occupy different habitats a wide range of ecological niches as result adaptive radiation during their evolutionary history. Ecomorphological differentiation is key feature radiations, with general trend for specialization following divergence. Here, we investigated trophic morphology ecology six...
The ice cod Arctogadus glacialis (Peters, 1872) is one of the few fish species endemic to Arctic. With a circumpolar distribution, confined fjords and shelves Arctic seas. Biological information on A. scarce, with genomic restricted microsatellites. Within frame TUNU-Programme: Ocean Fishes-Diversity, Adaptation Conservation, we studied at chromosomal level explore diversity evolutionary aspects. analysis over 50 individuals from Northeast Greenland between latitudes 71°09' N 76°42' revealed...
In situ observation of Antarctic toothfish (Dissostichus mawsoni) is challenging as they typically live at depths greater than 500 m, in dark and ice-covered waters. Searching for adequate methodologies to survey their habitat, we tested a miniaturized Baited Remote Underwater Video camera (BRUV), deployed through holes drilled the sea ice Ross Sea region, over three field seasons. 2015 BRUVs were McMurdo Sound, paired with vertical longline sampling. 2017, opportunistic deployments...
Abstract The polar cod (Boreogadus saida ) and the Antarctic silverfish ( Pleuragramma antarctica are pelagic fish endemic to Arctic Antarctica sea, respectively. Both species abundant play a central role as midtrophic wasp-waist in ecosystems. Due their biological ecological characteristics (small size, complex life histories, relatively short generation cycles, movement capability, planktivorous diet, importance prey), potentially good sentinels of ecosystem change. Changes zooplankton...
The olfactory organ of Chondrichthyes is characterized by a central raphe and several lamellae covered the sensory epithelium; usually have secondary folds on their surface. It an overall complex shape very variable among species this vertebrate class. epithelium, in turns, has general organization which conserved across species. We here describe for first time morphology histology juvenile male marbled electric ray Torpedo marmorata . constituted elongated 37 primary lamellae. As lamellar...
The olfactory system is constituted in a consistent way across vertebrates. Nasal structures allow water/air to enter an cavity, conveying the odorants sensory surface. There, neurons form, with their axons, nerve projecting telencephalic zone-named bulb. This organization comes many different arrangements, whose meaning still matter of debate. A morphological description teleost species present literature; nevertheless, investigations rarely provide quantitative approach that would help...
The Channichthyidae, a monophyletic fish group belonging to the suborder Notothenioidei, are uniquely adapted polar environment. However, while their physiology has been extensively studied, studies on ecology relatively rare. Here, we investigated trophic of seven icefish species (Chaenodraco wilsoni, Chionobathyscus dewitti, Chionodraco hamatus, Dacodraco hunteri, Neopagetopis ionah, Pagetodes antarcticus and Pagetopsis macropterus) by using traditional morphometric approach assess...
The shorthorn sculpin (Myoxocephalus scorpius) is considered a suitable sentinel species for marine pollution in the Arctic due to its ecology and stationary habits. To evaluate role as bioindicator potential natural anthropic impacts on ecosystem of Kongsfjorden (Svalbard, Norwegian Arctic), 33 female male specimens sculpins were collected July 2018 proximity Ny-Ålesund international research facility analyzed content 25 major trace elements methylmercury (MeHg) muscle, liver, gonads, gills...
A new specimen of splendid alfonsino, Beryx splendens Lowe, 1834, was caught by trawling in July 2016 the Ligurian Sea at depth 350 m, proximity a submarine canyon. It represents 10th documented record B. Mediterranean. Because rarity records basin, there could be doubts whether to consider or not such species as established area. However, some findings may support hypothesis possible establishment Mediterranean Sea. For example, stomach nearly full, with rests one crustacean decapod, fish,...
Abstract Nests of the icefish Chionodraco hamatus were documented for first time at about 500 m depth Terra Nova Bay (Victoria Land, western Ross Sea), in an area included Antarctic Specially Protected Area (ASPA) No. 173 and portion with more stringent protection largest established marine protected world, Sea Region Marine (RSRMPA). Nest building eggs guarding are common parental care behaviours icefishes (Channichthyidae). Prior to present work, nest behaviour C. was observed only frame...