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Ricardo González-Muñoz

Ricardo González-Muñoz
Instituto de Investigaciones Marinas y Costeras (IIMyC) - Universidad Nacional de Mar del Plata · Laboratorio de Biología de Cnidarios

PhD

About

41
Publications
16,979
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192
Citations
Citations since 2017
23 Research Items
158 Citations
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Publications

Publications (41)
Article
Full-text available
We report two species of sea anemones, Anthopleura nigrescens (Verrill, 1928) and Telmatactis panamensis (Verrill, 1869), for the first time from Parque Nacional Coiba, a large, protected area in the Pacific off Panama. In addition, we describe the external anatomical taxonomic characters and provide images of live specimens of each species. The...
Article
Nine species of sea anemones are documented from the west coast of the Peninsula of Baja California. Short descriptions of Anthopleura artemisia (Pickering in Dana, 1846), A elegantissima (Brandt, 1835), A. sola Pearse & Francis, 2000 and Epiactis prolifera Verrill, 1869 are provided, including images of the external and internal anatomy, as well a...
Article
Full-text available
Fifteen species of sea anemones (Cnidaria, Actiniaria) have been recorded so far in the Colombian Caribbean, comprising approximately 28% of the total number of known species in the Caribbean Sea. Most species recorded are associated with coral reef communities. However, in the region, no records of sea anemones are known from areas with high sedim...
Preprint
Fifteen species of sea anemones (Cnidaria, Actiniaria) have been recorded so far in the Colombian Caribbean, comprising approximately 28% of the total number of known species in the Caribbean Sea. Most species recorded are associated with coral reef communities. However, in the region, no records of sea anemones are known from areas with high sedim...
Article
Full-text available
Anthopleura mariae sp. nov. is a new species of sea anemone (Actiniaria: Actiniidae) from the rocky intertidal of Punta Morro, Baja California, and Punta Eugenia Baja California Sur, México. This species is characterized by a column with verrucae arranged in longitudinal rows from margin to limbus with a red spot atop each verruca, as well as the p...
Article
Full-text available
As part of a biodiversity study on intertidal invertebrates, several sea anemones from the west coast of the Baja California Peninsula were collected in June 2016. The taxonomic features of four specimens agree well with those of the species Anthopleura radians, a recently described sea anemone from northern Chile. This study is the first published...
Article
Full-text available
Introduction: The sea anemones diversity is still poorly studied in Isla del Coco National Park, Costa Rica. Objective: To report for the first time the presence of the sea anemone Exaiptasia diaphana. Methods: Some rhodoliths were examined in situ in Punta Ulloa at 14 m depth, by SCUBA during the expedition UCR-UNA-COCO-I to Isla del Coco Nation...
Article
Full-text available
Sea anemones (order Actiniaria) are among the benthic marine invertebrate groups that commonly inhabit a wide range of coastal environments, including seagrass meadows, rocky bottoms, coral reefs, sandy patches, mangroves, and artificial substrates. However, they are typically overlooked in most faunal studies or biodiversity assessments in shallow...
Article
Full-text available
The spotted cleaner shrimp, Periclimenes yucatanicus (Ives, 1891), forms symbioses with sea anemones that may serve as cleaning stations for reef fishes [...]
Article
The cnidae are the exclusive diagnostic structures of phylum Cnidaria. The inventory of all cnidae types of a particular species is called the cnidom. The study of cnidae has been widely addressed in all classes of cnidarians. Particularly in the order Actiniaria (sea anemones), the study of the composition, size and distribution of cnidae is es...
Article
Full-text available
The sea anemone Condylactis gigantea is an ecologically important member of the benthic community in coral reefs of the tropical Atlantic, and displays two morphotypes with respect to the color in their tentacular tips: the green tip morphotype and the pink/purple tip morphotype. Although some molecular and ecological differences have been found be...
Article
The sea anemone Condylactis gigantea is an ecologically important member of the benthic community in coral reefs of the tropical Atlantic, and displays two morphotypes with respect to the color in their tentacular tips: the green tip morphotype and the pink/purple tip morphotype. Although some molecular and ecological differences have been found be...
Article
Sea anemones (Order Actiniaria) are among the most diverse members of the subclass Hexacorallia and are an emerging model system. Unfortunately, defining species and creating robust phylogenies remain a serious challenge due to simple body plans that reduce the number of available morphological characters, slow mitochondrial sequence evolution and...
Article
The sea anemone Calliactis tricolor (Le Sueur, 1817) is an ecologically important member of the benthic community in coastal and coral reefs of the tropical Atlantic, particularly for their propensity to establish mutualistic symbiotic relationships with hermit crabs. This species is presumably distributed throughout the Gulf of Mexico; however, it...
Article
Full-text available
The sea anemone Calliactis tricolor (Le Sueur, 1817) is an ecologically important member of the benthic community in coastal and coral reefs of the tropical Atlantic, particularly for their propensity to establish mutualistic symbiotic relationships with hermit crabs. This species is presumably distributed throughout the Gulf of Mexico; however, it...
Poster
Full-text available
El Área Marina Protegida Namuncurá–Banco Burdwood es la primer AMP localizada en la plataforma continental de la República Argentina. El Banco Burdwood (53°40' - 55°S; 62° - 58°40'O) es una meseta sumergida con una superficie de aproximadamente 28.000 km2. Entre marzo y abril de 2016 se realizó la campaña al AMP Namuncurá–Banco Burdwood a bordo del...
Article
Anthopleura dalyae sp. nov, a new species of sea anemone (Actiniaria: Actiniidae) from the rocky intertidal zone of La Gallega reef, Veracruz, Mexico, is described and illustrated. This species is characterized by a column that is pale yellow proximally and dark-orange to bright-orange distally, longitudinal rows of verrucae from margin to limbus,...
Article
Full-text available
Lebrunia coralligens is among the most common sea anemone species found inhabiting in coral reefs environments along the Caribbean Sea and Gulf of Mexico. This species exhibit two distinct morphotypes characterized mainly by differences in the location of vesicles on its pseudotentacles. The morphology and cnidae size ranges between representatives...
Article
Full-text available
A second tube-dwelling anemone species of the genus Botruanthus (Cnidaria: Ceriantharia), B. mexicanus sp. nov., was observed in the Veracruz Reef System (1 m depth), Veracruz, Gulf of Mexico, and is described herein. To date, the recorded range of Botruanthus has been restricted to the Pacific Ocean. This new species is the first of this genus rep...
Article
Full-text available
The Zoanthids are an order of cnidarians whose venoms and toxins have been poorly studied. Palythoa caribaeorum is a zoanthid commonly found around the Mexican coastline. In this study, we tested the activity of P. caribaeorum venom on voltage-gated sodium channel (NaV1.7), voltage-gated calcium channel (CaV2.2), the A-type transient outward (IA) a...
Article
Full-text available
Ticks, leeches, and barnacles are among the various kinds of organisms recorded as epibionts on crocodiles (Huchzermeyer 2003; Cupul-Magaña et al. 2011). Although sea anemones have been reported to live on living organisms such as sponges, hermit crabs, and sea turtles (Caine 1986; Patzner 2004; González-Muñoz et al. 2012), no previous reports are...
Article
Full-text available
Background: This study compiles the diversity of sea anemones in different shallow habitats (i.e. rocky shores, coral reefs, mangroves and sandy bottoms) in several locations of Venezuela, including the most important marine reserves of Venezuela: Morrocoy National Park, Mochima National Park, Archipiélago de Los Roques National Park, Laguna de La...
Poster
Full-text available
A pesar de todo el esfuerzo realizado a nivel mundial para la cuantificación de la biodiversidad, aún no ha sido posible registrar a todas las especies existentes. Esto es particularmente notable en las anémonas marinas, grupo de organismos caracterizados por ser difíciles de muestrear, preservar e identificar. En efecto, a pesar de los avances en te...
Article
Full-text available
The species Homostichanthus duerdeni and Anemonia sargassensis are recorded for the first time in the Mexican Caribbean. Homostichanthus duerdeni is taxonomically diagnosed, and images from living specimens, including external and internal features and cnidae, are provided. The extension of the geographical distribution range of A. sargassensis is...
Article
Full-text available
The shallow water sea anemone Phymanthus crucifer exhibits three distinct morphotypes, characterized by the presence or absence of protuberances on the marginal tentacles, as well as intermediate forms. The taxonomic status of the different morphotypes and the diagnostic value of protuberances on the tentacles have been debated for this species and...
Article
Full-text available
Seven sea anemone species from coral reefs in the southern Gulf of Mexico are taxonomically diagnosed and images from living specimens including external and internal features, and cnidae are provided. Furthermore, the known distribution ranges from another 10 species are extended. No species records of sea anemones have been previously published i...
Article
Full-text available
Ten species of sea anemones (Anthozoa: Actiniaria) are documented in the Mexican Caribbean based on observations and collections in 11 coral reef localities during 2006–2011; three of them are new records for Mexico. These species belong to families Actiniidae, Aiptasiidae, Aliciidae, Boloceroididae, Phymanthidae, and Stichodactylidae. Although the...
Article
Silica–carbonate biomorphs are inorganic self-organized structures that mimic the morphology of living organisms. In this study, we present the effect that proteins involved in the in vivo biomineralization of silica and calcium carbonate have on the formation of silica–carbonate biomorphs. We tested four different sources of protein: (1) struthioc...

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Projects

Projects (7)
Project
The main objective is to characterize the species of sea anemones that have been reported as non-indigenous in the Argentine coasts, through the analysis of their diagnostic morphological characteristics (i.e. internal and external anatomy, and cnidae examination), as well as molecular markers, in order to corroborate their presence. Additionally, we study their records in the region to analyze their ranges of distribution, through tools and methods of species distribution modeling.
Project
Understand the different processes and patterns that are behind the establishment of symbiotic relationships in coastal and marine environments. https://marinespeciesinteractions.org
Project
The general objective of the project is to study patterns of intraspecific variation of cnidocysts in cnidarian polyps, evaluating factors that may explain them. The effects of eviromental variables (ex. temperature, salinity), and ecological ones, such as food availability, on the size and composition of cnidocysts will be analyzed experimentally. The composition and size of the cnidom will also be studied in different stages of development on new individuals with both sexual and asexual origin. In addition, the intraindividual variation in the composition and size of cnidocysts in different areas of different structures of polyps will be evaluated. The cnidom variation in populations genetically distinc, and/or molecular species will be tested. Although the intraspecific variation of cnidocyst sizes is proven, and there are indications of qualitative variations within individuals and at different stages of development, the general patterns of these variations, and mainly, the factors that may explain them are unknown. An effect of some of the mentioned factors on the cnidome could be evidenced by changes in their composition and/or in the sizes of the cnidocysts. Hence, we could not only explain the intraspecific variation of cnida sizes but also evaluate how changes in those factors could affect some of the functions of cnidocysts in the ecology of cnidarian polyps.