Massimiliano Bottaro

Massimiliano Bottaro
Stazione Zoologica Anton Dohrn | Stazione Zoologica · Department of Integrative Marine Ecology

PhD

About

42
Publications
14,450
Reads
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479
Citations
Citations since 2017
11 Research Items
215 Citations
2017201820192020202120222023010203040
2017201820192020202120222023010203040
2017201820192020202120222023010203040
2017201820192020202120222023010203040
Additional affiliations
December 2011 - September 2017
July 2008 - December 2011
December 2000 - June 2008
Italian Central Institute for the Scientific and Technological Research Applied to the Sea (ICRAM)
Position
  • Research Associate

Publications

Publications (42)
Presentation
Considering the European waters, the IUCN indicates more than 30% of elasmobranch species as threatened. Despite some recent efforts in EU to reduce shark by-catch and mortality, the main goals is far from being achieved, and conservation actions need to be set up there. This because the current legislation set out only prevents retention but not t...
Article
Full-text available
Animals that continually live in deep sea habitats face unique challenges and require adaptive specializations solutions in order to locate and identify food, predators, and conspecifics. The Ampullae of Lorenzini are specialized electroreceptors used by chondrichthyans for important biological functions. Ampullary organs of the ghost shark Chimaer...
Article
Full-text available
In this contribution the checklist of chondrichthyans of Calabria (Central Mediterranean, southern Italy) is reported. Data presented is derived from twenty years of opportunistic and active surveys from 2000 to 2020. A total of 55 species of chondrich-thyans is present in Calabrian seas: 33 sharks, 20 rays, and 2 chimaeras. These species represent...
Article
Full-text available
Chondrichthyans are one of the most threatened marine taxa worldwide. This is also the case in the Mediterranean Sea, which is considered an extinction hotspot for rays and sharks. The central position of the Italian peninsula makes it an ideal location for studying the status and changes of this sea. There is a lack of biological, ecological and h...
Conference Paper
About half of the elasmobranch species found in the Mediterranean Sea are threatened with extinction based on the latest regional IUCN assessment. Among other threats, bycatch has been identified as significant, as elasmobranch targeted fisheries are limited in the basin and several species are caught incidentally and often discarded dead. The mult...
Article
Full-text available
The Mediterranean Large Elasmobranchs Monitoring (MEDLEM) database contains over 3000 records (more than 4000 individuals) of large elasmobranch species from 20 different countries around the Mediterranean and Black seas, observed from 1666 to 2017. The main species included in the archive are the devil fish (1 813 individuals), the basking shark (...
Article
Full-text available
Conservation of apex predators is a key challenge both in marine and terrestrial ecosystems. The white shark is a rare but persistent inhabitant of the Mediterranean Sea and it is currently assessed as “critically endangered” in the region. However, the population trends and dynamics of this species in the area are still unknown. Little is known ab...
Presentation
Full-text available
Conservation of apex predators is a key challenge both in marine and terrestrial ecosystems, and sharks represent one of the most endangered groups in the ocean as a consequence of fishing exploitation, high vulnerability and a generalized lack of data on ecology and conservation status. This situation is particularly critical in the Mediterranean...
Article
Full-text available
From a historical point of view, the Mediterranean Sea represents one of the areas in which the most ancient evidences of interaction between humans and sharks are available for a long period of time. The first evidence can be, in fact, identified in the early Bronze age with the development of fishing communities in the eastern Mediterranean, whos...
Conference Paper
Full-text available
It is presented the analyses on the MEDLEM (Mediterranean Large Elasmobranchs Monitoring) database that, up to now, contains more than 2000 records and over 2700 individuals of large elasmobranchs in the Mediterranean coming from 20 different countries. The main species represented in the archive are devil rays (736 individuals), basking sharks (ab...
Poster
The Mediterranean Large Elasmobranchs Monitoring (MEDLEM) database contains more than 2000 records (n>3000 individuals) of large elasmobranchs species from 20 different countries around the Mediterranean Sea caught or observed from 1666 to 2014. The main species represented in the archive are devil rays (736 individuals), basking sharks (682 indivi...
Article
Pleuragramma antarcticum is the dominant pelagic fish in the waters of the continental shelf in high Antarctic regions, where it plays a key role in the food web. A nursery ground for eggs of this species was first identified in 2002 in Terra Nova Bay (Ross Sea), where eggs were found trapped in ice platelets under the sea-ice during the spring. As...
Conference Paper
Full-text available
The Great white shark (Carcharodon carcharias, Linnaeus 1758), is an apex predator living in almost all the seas of the world, preferring cold-temperate and temperate waters among the 8 and the 25°C. The Great White Shark occurs in both inshore and offshore waters. Known bathymetric range is from just below the surface to just above the bottom down...
Article
Full-text available
The diet of juvenile specimens of Raja radula from the Ionian Sea was investigated. The stomach contents of 43 specimens were analysed in order to evaluate composite index (IRI Index of Relative Importance). To assess feeding strategy and trophic niche width, prey-specific biomass plotted against frequency of occurrence and Levins index were used,...
Technical Report
Full-text available
“Assessment of the incidental captures of protected species in the pelagic trawl (BYCATCH III)”. Bycatch is still one of the main sources of anthropogenic mortality of species of conservation concern worldwide. Within the European Community, Member States are required to monitor and mitigate it, in order to insure a truly sustainable use of the mar...
Article
Full-text available
Target strength (TS) of preserved (frozen and defrosted) Antarctic silverfish (Pleuragramma antarcticum) of total length (TL) from 110 to 202.5 mm were measured ex situ (Ancona Bay) at 38, 120 and 200 kHz in May 2007 and in February 2009. Overall ex situ TS-TL relationships were: TS38 = 36.83Log TL(cm) -103.62 (N = 18); TS120 = 34.75Log TL(cm) -84....
Article
Full-text available
The Antarctic silverfish Pleuragramma antarcticum is a keystone species in the Southern Ocean ecosystem, providing one of the major links between lower and higher trophic levels. Despite the importance of this species, surprisingly little is known of its early development. The first spawning area for the silverfish has been recently identified in t...
Article
Full-text available
A total of fifteen adult specimens of the so-called ‘lessepsian sprinter’ Fistularia commersonii were captured by bottom trawlers and gill-netters operating along the Latium coasts, Italy, in October–November 2007. This non-native species is established in the eastern Mediterranean but it has been sporadically reported beyond the Strait of Sicily....
Article
Full-text available
A male specimen of Leucoraja circularis was captured in January 2005 by a bottom trawler operating south-east off the Anzio coast (central Tyrrhenian Sea). Biometric and meristic characters of the specimen are presented. This capture represents the first documented record of the species in the central Tyrrhenian Sea.
Article
The mechanosensory lateral line (LL) is involved in many fish and amphibian behaviors, however little is known about the molecules involved in the signal transmission. Neuropeptide Y (NPY) has a number of functions in vertebrate physiology and also plays important roles in different sensory systems. The Antarctic nototheniods are a monophyletic rad...
Article
The aim of this work was to investigate the distribution of regulative molecules in the stomach of juvenile Dicentrarchus labrax during compensatory growth, using immunohistochemical methods. Antisera against galanin, neuropeptide Y, ghrelin, leptin, and serotonin were used on fasted and refed D. labrax. The results show a characteristic distributi...
Article
The presence and distribution of FMRFamide-like peptides (FLPs) in the cyprid larvae of the barnacle Balanus amphitrite were investigated using immunohistochemical methods. Barnacles are considered to be one of the most important constituents of animal fouling communities, and the cyprid stage is specialized for settlement and metamorphosis in to t...
Article
The Antarctic silverfish Pleuragramma antarcticum is a keystone species in the Ross Sea ecosystem, providing one of the major links between lower and higher trophic levels. Despite the importance of this species, surprisingly little is known of its early development. The first spawning area for the silverfish has been recently identified in the nea...
Article
The first confirmed records of two blonde rays (Raja brachyura) in the Ligurian Sea for 140 years are described. Two specimens were caught off Cogoleto (western Ligurian Sea) and they were deposited in the Civic Museum of Natural History ‘Giacomo Doria’ of Genoa. Morphometric and meristic features have been reported.
Article
The first case of albinism in the kitefin shark, Dalatias licha, is reported here through the study of one specimen caught by professional bottom trawl in the Gulf of Genoa, Ligurian Sea. The albino surface was quantified and morphometric and meristic characteristics were compared with those of normal specimens of the same sex and equivalent length...
Article
Crypt neurons are olfactory receptor cells located in the olfactory epithelium of fishes. They exhibit a peculiar and well-recognizable morphology, although their odorant specificity is still unknown. Data on their appearance during development are few and far between. This study set out to identify the time at which crypt neurons appeared in the s...
Article
Olfactory marker protein (OMP) is a protein expressed in the mature olfactory and vomeronasal neurons of many vertebrates, such as mammals, amphibians and bony fishes. Aim of this work was to investigate the OMP expression in the olfactory epithelium of the shark Scyliorhinus canicula (Linnaeus, 1758), by immunohistochemistry (IHC). Immunoreactivit...
Article
Full-text available
Research on reproduction in Antarctic fishes has been primarily focused on evaluation of macroscopic features while microscopic studies have been limited to very few species. In particular no data are available on plunderfishes of the family Artedidraconidae. In order to provide a preliminary description of gonads in the South Georgian plunderfish...
Article
To date only peptidergic innervation has been described in the alimentary tract of barnacles. In the present work the presence and distribution of choline acetyltransferase (ChAT), the acetylcholine (ACh) synthesizing enzyme, was investigated by immunohistochemistry in the alimentary tract of the adult barnacle Balanus amphitrite. Numerous ChAT-imm...
Article
Na+/K+ATPase immunoreactivity in olfactory epithelium of Scyliorhinus canicula was localized in well featured light large cells. It was distributed in the basolateral membranes as reported in the literature for typical ion exchanging cells.
Article
A new receptor neuron (RN) type was recently described in bony fish olfactory epithelium (OE): the crypt receptor neuron. This name is due to its main feature: the presence, at the apical part, of a deep invagination into which cilia protrude. The presence of this receptor neuron type is well documented in different species of bony fishes but it ha...
Article
In this study, the presence and distribution of FMRFamide-like immunoreactivity in the alimentary tract of barnacle Balanus amphitrite were investigated. A net of nerve fibers strongly immunoreactive to FMRFamide-like molecules was localized in the posterior midgut and hindgut. Positive varicose nerve terminals were also localized close to the circ...
Article
Full-text available
The number and distribution of ampullary pores present on the blackmouth catshark, Galeus melastomus and the velvet belly dogfish, Etmopterus spinax do not differ with the size/maturity or gender of the specimen and were found to be related to prey preference.
Article
Full-text available
The occurrence of lead in various bone tissues of Trematomusbernacchii was investigated in order to identify the optimal target tissue and to examine potential relationships between bone lead concentration and fish size and age. Lead concentration values found in vertebrae and jaws (0.44 ± 0.13 and 0.41 ± 0.09 1 of dry weight tissue, respectively)...
Article
Internal stomach melanism was observed in two scalloped ribbonfish Zu cristatus from the Ligurian Sea. The phenomenon may help prevent advertizing the presence of this species after consumption of bioluminescent prey.

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Projects

Projects (3)
Project
Dismissed industrial activities are responsible for persistent environmental degradation, mainly due to long-term accumulation of xenobitic contaminants in the environment. Such a chronic form of pollution represents a major threat for human health, biodiversity and ecosystem functioning. Necessary environmental remediation practices should however be coupled to restoration plans aiming at revert the degradation trend and give back healthy areas able to provide valuable ecosystem goods and services. Albeit fully integrated into the EU Restoration Agenda, marine environmental restoration is a new challenging issue in ecology, with Italy coordinating MERCES, the first European project in this field. The environmental restoration of Bagnoli-Coroglio Bay is a unique challenge at European level. ABBACO will develop new approaches for the removal and remediation of contaminated sediments and restoration of marine habitats. Actions include: i) identifying the environmental benchmark of the area; ii) assessing its present health status, iii) studying the effects of contaminated sediments on biodiversity and ecosystem functioning (MSFD), iv) assessing the combined effects of multiple stress at a hierarchical level; (v) experimenting innovative methods of transplantation and restoration of key species and habitats, and new biotechnological instruments for the remediation of sediments (bioremediation, bioaugmentation) in degraded habitats. ABBACO will provide novel expertise and stimulate new initiatives within the Blue Economy Agenda. The project results will be achieved by the actions of 6 intermingled work packages (WPs): WP1 Historic overview of the environmental status; WP2 Assessment of contamination and multiple environmental impact; WP3 Effects on biodiversity and ecosystem functioning; WP4 Holistic approach to the study of multiple stress and risk reduction; WP5 Pilot studies of restoration and rehabilitation; WP6 Evaluating the effects of restoration and rehabilitation procedures
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