Gabriela Delpiani

Gabriela Delpiani
Universidad Nacional de Mar del Plata | UNMDP · Instituto de Investigaciones Marinas y Costeras (IIMyC)

Dr. Biology

About

21
Publications
4,350
Reads
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166
Citations
Citations since 2017
7 Research Items
122 Citations
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20172018201920202021202220230510152025
Introduction
I am currently working with the taxonomy of the genus Squalus, as it is a problematic group in its determination.
Additional affiliations
April 2014 - present
Universidad Nacional de Mar del Plata
Position
  • Dr.

Publications

Publications (21)
Article
Full-text available
Patagonotothen ramsayi has the highest concentrations at Burdwood Bank, playing a key ecological role in the demersal food web. The aim of this study was to describe and analyze the feeding ecology of longtail southern cod in the Marine Protected Area Namuncurá-Burdwood Bank (MPAN-BB). From 369 specimens sampled, 229 (62.06%) contained food. Prey-s...
Article
Full-text available
: The Squalus genus comprises a group of small demersal sharks occurring circumglobally, popularly known as dogfish sharks. This genus exhibits a conserved morphology, thus making correct morphological identification difficult. Considering these taxonomic problems and the scarcity of molecular data, the present study aimed to identify Squalus genus...
Article
Full-text available
The yellowfin notothen Patagonotothen guntheri is an important fish species in the Marine Protected Area Namuncurá-Burdwood Bank (MPAN-BB) due to its high abundance and significant ecological role. Thus, diet composition and feeding habits were analyzed. To fulfill this purpose, percentage frequency of occurrence, prey-specific abundance, and prey-...
Article
Full-text available
The first non-coastal Sub-Antarctic Marine Protected Area (Namuncurá) in Argentina was created in 2013, at Burdwood Bank (MPAN-BB), an undersea plateau located about 200 km south from Malvinas/Falkland Islands, SW Atlantic Ocean. The main contribution of this work was to explore fish species composition and the structure of fish assemblages in thre...
Article
The detection of substituted or mislabeled seafood may have different consequences on consumers and the environment, including economic losses due to potential commercial fraud, public health effects, uncontrolled impacts on fish species of threatened status, and damage to populations due to overfishing. The molecular identification of processed me...
Article
Full-text available
The present study provides quantitative and qualitative analyses of the dentition of Discopyge tschudii. Overall, 193 individuals (99 males and 94 females) of D. tschudii were collected on scientific trawl surveys conducted by the National Institute for Fisheries Research and Development (INIDEP) and commercial vessels in Argentina. Discopyge tschu...
Article
A description of the tooth morphology of 234 jaws from the southern thorny skate Amblyraja doellojuradoi in the south-west Atlantic Ocean is given. Seven rows of teeth were selected and length and width of each tooth in these rows were measured. It was found that functional series corresponds to the third teeth and the average width and length of t...
Article
Full-text available
The study of the feeding habits of elasmobranch populations should help to elucidate the ecological role of these fishes in the marine ecosystem. Feeding habits of the apron ray, Discopyge tschudii from San Jorge Gulf were investigated. An evaluation of whether the diet of D. tschudii changes with body size, seasons, maturity stage and sex was perf...
Article
Full-text available
A ocorrência de Nesiarchus nasutus é registrado pela primeira vez em águas argentinas, sendo a esta ocorrência mais meridional da espécie no Atlântico Sudoeste. Isto sugere que as características ambientais flutuantes da área seriam adequadas para a presença de espécies tropicais e subtropicais na mesma.
Article
Full-text available
During the research programme conducted on the OV Puerto Deseado in the summers of 2011 and 2013, 36 stations were sampled using a demersal net at depths between 53–590m in the Antarctic Peninsula and South Shetland Islands.Atotal 3378 fish specimens belonging to 36 species were recorded. Notothenidae was the best-represented family in species numb...
Article
Full-text available
A new species of Merizocotyle Cerfontaine, 1894 (Monogenea: Monocotylidae) is described from the nasal tissues of three deep sea rajid skates: the southern thorny skate, Amblyraja doellojuradoi (Pozzi), broadnose skate, Bathyraja brachyurops (Fowler), and yellownose skate, Zearaja chilensis (Guichenot), collected off Buenos Aires Province, Argentin...
Article
Full-text available
The feeding ecology of the southern thorny skate, Amblyraja doellojuradoi, on the Argentine Continental Shelf was evaluated using generalized linear models. Amblyraja doellojuradoi preyed mainly on crabs (85.41% index of relative importance (IRI)) and to a lesser extent on polychaetes (4.98% IRI), teleosts (3.28% IRI), isopods (2.03% IRI), other cr...
Article
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La présente note décrit un cas aberrant de nageoire supplémentaire chez un spécimen de Zearaja chilensis (Guichenot, 1848), capturé au large de la Patagonie dans les eaux argentines.
Article
Full-text available
Teeth morphology has been widely used in taxonomic, biological and fossil teeth studies of Chondrichthyes. Herein, dental abnormalities in Amblyraja doellojuradoi are described. Almost 10% of 182 specimens sampled presented any of these types of dental anomalies: (1) an additional incomplete tooth row between two complete rows, (2) an increasing to...
Article
Full-text available
Teeth morphology has been widely used in taxonomic, biological and fossil teeth studies of Chondrichthyes. Herein, dental abnormalities in Amblyraja doellojuradoi are described. Almost 10% of 182 specimens sampled presented any of these types of dental anomalies: (1) an additional incomplete tooth row between two complete rows, (2) an increasing to...
Article
Full-text available
This work constitutes the first description of the clasper of Amblyraja doellojuradoi. The characterization was based on both external morphology and the composition of the internal cartilages. A comparison based on these structures with other species of the genus is provided. Considering all of the cartilages, the basal and terminal series of A. d...
Article
Full-text available
Egg cases of 21 oviparous chondrichthyan species from the south-west Atlantic Ocean are described and compared. The catshark Schroederichthys bivius has a cigar-shaped egg case with curled tendrils only at the posterior end. Egg cases of the elephant fish Callorhinchus callorynchus are spindle-shaped with anterior and posterior tubular extensions a...

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