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New record of ocellated moray Gymnothorax ocellatus from Mar del Plata (Argentina) along with historical occurrences of the species from FishBase (Froese & Pauly 2017), accounting for its southernmost occurrence in La Paloma (34º45.00'S-54º15.00'W, Uruguay). Distribution range colours indicate degree of suitability of habitat which can be interpreted as probabilities of occurrence (Froese & Pauly 2017). The picture used for identification is included.
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Se presentan los primeros registros documentados de la morena reticulada Muraena retifera Goode & Bean, 1882 y la morena ocelada Gymnothorax ocellatus Agassiz, 1831 para Uruguay y Argentina, respectivamente. Ambos registros se basan en capturas de pesca recreacional y representan extensiones geográficas hacia el sur significativas para estas especi...
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Citations
... Over the past two decades, numerous teleost species of tropical and subtropical origin, as well as other marine organisms, have been documented in temperate waters, providing further support for the WCD hypothesis (e.g. Scenna et al. 2006, Segura et al. 2009, Izzo et al. 2010, Solari et al. 2010, Bogan & Di Martino 2011, Milessi et al. 2012, Delpiani et al. 2013, Bruno et al. 2014, Trobbiani et al. 2014, Spath et al. 2015, Leoni et al. 2016, De Wysiecki et al. 2018). This trend is likely attributable to regional tropicalization, where tropical and subtropical environmental conditions are increasingly observed in areas previously characterized by temperate conditions (Cheung et al. 2012, Milessi et al. 2015. ...
This paper reports the presence of the common dolphinfish, Coryphaena hippurus, in Argentinian waters for the first time, with a specimen collected by experienced sport fishermen near Mar del Plata (38°S). This finding also represents the first record of a species from the Coryphaenidae family in Argentinian waters. The collection of these specimens coincided with sightings of other rarely-seen pelagic and oceanic fish species during the same period, providing further evidence supporting the influx of subtropical fish species from warmer Brazilian waters. These observations highlight the need for continued monitoring of fish populations and their distribution and the ecological dynamics within the region.
... Despite the scarcity of long-term data, reported interannual (2002)(2003)(2004)(2005)(2006)(2007)(2008) variability in Sea Surface Temperature (SST) is very small over most of Río de la Plata Estuary (<1%; Simionato et al. 2010), yet over the last few years there is an increasing presence of tropical and subtropical fish species (De Wysiecki et al. 2018, Milessi et al. 2018 in the marine water adjacent to the Río de la Plata during the warm season (November-February), and coincident with a SST increase (0.5 °C in 2002(0.5 °C in -2018(0.5 °C in , (Milessi et al. 2018. Similar accounts and associations relating to ocean warming have been observed in the Uruguayan fishery landings (1973( , (Gianelli et al. 2019. ...
This chapter provides an overview of the main drivers of change in estuarine systems, their expected causes and impacts on estuarine fish and fisheries. An analysis of global, regional and local patterns of estuarine fish and how climate‐induced change may impact estuarine systems and their fish communities is provided. We also examine the main environmental, climatic and biological stressors likely to impact estuarine fish and associated fisheries. A set of case studies is used to illustrate the differences in potential impacts associated with various global regions and types of estuaries. An understanding of climate change in estuaries will support estuarine ecosystem resilience, inform management and facilitate adaptation.
... At the same time, since 1997 there has been an increase in the amount of positive sea surface temperature anomalies (SSTA) in the Uruguayan coast, and in the last 10 years these have been more intense, with longer duration and higher values Martínez et al., 2017, Manta et al. 2018, Gianelli et al. 2019, Franco et al. 2020). These facts have implied the occurrence of marine species of different taxa with tropical and subtropical distribution, associated to an extended presence of warm subtropical water derived from the Brazilian Current along the Uruguayan continental shelf (Leoni et al. 2016, Martínez et al. 2017, De Wysiecki et al. 2018, Pereyra et al. 2019. ...
In recent times, citizen science has proved to be a major contribution in the study of rare fish species and marine diversity. Since 1997, there has been an increase in the amount of sea surface temperature anomalies (SSTA) in the Uruguayan coast, and in the last 10 years these have been more intense, with longer duration and higher values. Here we report the first records of the Corocoro grunt Orthopristis ruber in the Uruguayan coast (34˚54´S), extending its range circa 700 km south of the previously reported southern limit in Brazil (18˚S to 31˚S). Eight records, coming from recreational and artisanal catches obtained in 2018-2020, were compiled using social networks. Two fishes were collected and preserved as voucher specimens. Several features of the records suggest that these are not occasional and that the distributional range of this species is truly expanding to higher latitudes, namely: 1) the occurrence of juveniles and adults in Uruguayan waters; 2) the number of records compiled; 3) the consecutive years of the records; 4) the testimony of several Uruguayan anglers indicating that they had already fished this species in previous years; and 5) a global scenario of ocean warming with positive sea surface temperature anomalies. Resumen: Registro de cambios en la distribución de especies subtropicales en el Atlántico Sudoccidental mediante ciencia ciudadana: el registro más austral de Orthopristis ruber (Haemulidae, Lutjaniformes). Recientemente la ciencia ciudadana ha demostrado una contribución muy importante al estudio de las especies raras de peces y de la diversidad marina. Desde 1997, ha habido un aumento en la cantidad de anomalías positivas de la temperatura superficial del mar (TSM) en la costa uruguaya, y en los últimos 10 años éstas han sido más intensas, con mayor duración y valores más altos. Aquí reportamos los primeros registros del Corocoro Orthopristis ruber en Uruguay (34˚54'S), extendiendo su distribución 700 km al sur del rango previamente reportado en Brasil (18˚S a 31˚S). Se recopilaron ocho registros, procedentes de capturas recreativas y artesanales entre 2018-2020, utilizando las redes sociales. Se recolectaron dos ejemplares que se conservaron como especímenes vouchers. Varias Panamjas 2021, 16, 261; doi.org/10.54451/PanamJAS.16.3.261 https://panamjas.org/ 262 M. LAPORTA ET AL. características de los registros sugieren que éstos no son ocasionales y que el rango de distribución de esta especie se está expandiendo a latitudes más altas: 1) la ocurrencia de juveniles y adultos en aguas uruguayas; 2) el número de registros recopilados; 3) los años consecutivos de los registros; 4) el testimonio de varios pescadores uruguayos indicando que ya habían pescado esta especie en años anteriores; y 5) un escenario global de calentamiento del océano con anomalías positivas de la TSM. Palabras clave: monitoreo; pesca recreativa; calentamiento del océano, Corocoro; Uruguay.
