Sergio N. Stampar

Sergio N. Stampar
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Sergio verified their affiliation via an institutional email.
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Sergio verified their affiliation via an institutional email.
São Paulo State University | Unesp · Faculdade de Ciências de Bauru

PhD

About

115
Publications
142,800
Reads
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1,312
Citations
Introduction
Associate Professor at São Paulo State University (UNESP/FC-Bauru). Research projects in Marine Biology with emphasis in Cnidaria, especially in Life Cycle, Reproduction, Systematics, Evolution, Phylogeography and DNA Barcoding.
Additional affiliations
March 2020 - January 2022
São Paulo State University
Position
  • Professor (Associate)
August 2013 - February 2020
São Paulo State University
Position
  • Professor (Assistant)
Education
April 2008 - May 2012
University of São Paulo
Field of study
  • Zoology
April 2008 - May 2012
University of São Paulo
Field of study
  • Zoology

Publications

Publications (115)
Article
Full-text available
The low evolutionary rate of mitochondrial genes in Anthozoa has challenged their utility for phylogenetic and systematic purposes, especially for DNA barcoding. However, the evolutionary rate of Ceriantharia, one of the most enigmatic "orders" within Anthozoa, has never been specifically examined. In this study, the divergence of mitochondrial DNA...
Article
Full-text available
The life cycles of many marine taxa are still unknown, especially those species with indirect development and long-lived larval stages. Life cycles of cnidarians are relatively well known for most groups except Ceriantharia. This taxon presents taxonomic problems stemming from the lack of association between planktonic larval forms, often described...
Article
Upside-down jellyfish (genus Cassiopea ) can be found in tropical coastal waters worldwide. Until now reports of the genus from Brazilian waters have been scant. We report here medusae and scyphistomae collected from Cabo Frio, Rio de Janeiro state. Although we could not unambiguously identify the material using morphological criteria, genetic sequ...
Chapter
Full-text available
The systematics of the class Anthozoa has been built-up by a number of authors with different approaches. However, despite all efforts the evolutionary position of the tube-dwelling anemones (subclass/order Ceriantharia) remains unclear. This dilemma has arisen especially due to lack of understanding of the homologies that date back to the early tw...
Article
Full-text available
Sequences and structural attributes of mitochondrial genomes have played a critical role in the clarification of relationships among Cnidaria, a key phylum of early-diverging animals. Among the major lineages of Cnidaria, Ceriantharia (“tube anemones”) remains one of the most enigmatic in terms of its phylogenetic position. We sequenced the mitocho...
Article
Full-text available
The present study reveals a novel predator-prey interaction in freshwater ecosystems: that of a free-living protozoan, Coleps sp., and polyps of the genus Hydra. Despite the common perception that larger body size confers competitive advantages, this finding shows that a large number of small-sized phagotrophic organisms, Coleps sp., attack Hydra p...
Preprint
Full-text available
Tube-dwelling anemones, animals belonging to the subclass Ceriantharia, are characterized as essential organisms for reef structures, playing complex ecological relationships with other living beings. However, the difficulty in collecting specimens leads to a lack of detailed environmental and biogeographical studies for the subclass, given the cha...
Article
Full-text available
This study aimed to analyse the microbial biodiversity in ceriantharian tubes through shotgun metagenomics, to enhance the understanding of ecological dynamics in these microhabitats. We sampled two tubes of Ceriantheomorphe brasiliensis in Florianópolis (SC), and two tubes of Ceriantheopsis lineata in Alcatrazes archipelago (AK), South and Southea...
Preprint
Full-text available
Based on a phylogenetic and morphological analysis of different populations of Actinostella flosculifera (Le Sueur, 1817) species complex throughout the Caribbean Sea, the Gulf of Mexico, and Brazil, and on the descriptions of Barragán et al . [1] from the Caribbean Sea and Ocaña (1994) from the Canary Islands (CI), as well as other studies in Sout...
Poster
Full-text available
Brazil is one of the two South American countries to have records ofthe four genera of freshwater cnidarians, being pioneers in the study of these organisms. Nevertheless, these studies were discontinued, resulting in a significant lack of information about these organisms. Hydra is the best known of these genera, and from the first report in Brazi...
Chapter
Rhizostomeae research based on morphological approaches was reinforced and diversified by new techniques after the 1970s, including developing methodologies for phylogenetic analysis, the rise of the polymerase chain reaction, and the emergence of different sequencing technologies. Here, we summarize the contribution of morphological and molecular...
Article
Full-text available
Anthopleura is one of the most speciose genera within the family Actiniidae. This genus is particularly characterized by its members having both verrucae on the column and acrorhagi on the margin. In the region of the Baja California Peninsula , in the Mexican Pacific, six species of Anthopleura have been documented, which are relatively well defin...
Article
Full-text available
A new species of box jellyfish, Copula lucentia sp. nov., is described from El Campello, Spain, and compared to the holotype of Copula sivickisi that was successfully recovered after being lost for almost 60 years. So far, the only cubozoan species recorded in the Western Mediterranean was Carybdea marsupialis. The genus Copula just included the ty...
Preprint
Full-text available
The limited temporal completeness and taxonomic accuracy of species lists, made available in a traditional manner in scientific publications, has always represented a problem. These lists are invariably limited to a few taxonomic groups and do not represent up-to-date knowledge of all species and classification. In this context, the B Brazilian meg...
Article
Full-text available
Cnidarians are critical members of aquatic communities and have been an experimental system for a diversity of research areas ranging from development to biomechanics to global change biology. Yet, we still lack a well-resolved, taxonomically balanced cnidarian tree of life to place this research in appropriate phylogenetic context. To move towards...
Article
The genus Antholoba Hertwig, 1882 (Actiniaria, Enthemonae) is characterized by the presence of short and numerous tentacles, a folded oral disc in lobes or cup-shaped with an expanded distal part, transversely wrinkled body wall surface, a very long mesogloeal sphincter, parietobasilar muscles poorly developed, and the absence of acontia. Currently...
Article
Aim: Understanding the factors determining marine community variations is important for biogeography and conservation. Beta diversity is a metric for mapping species composition variations between communities and regionalizing biota. Ecoregions are commonly used for regionalization, but their empirical testing has been limited. Our aim is to map ma...
Article
Full-text available
Aim Knowledge gaps and sampling bias can lead to underestimations of species richness and distortions in the known distribution of species. The goal of this study is to identify potential gaps and biases in marine organisms sampling at the Western Atlantic Ocean, determine their causes and assess its effect on biodiversity metrics. We tested the po...
Preprint
Full-text available
Anthopleura is one of the most numerous genera within the Actiniidae family. This genus is particularly characterized by its members having both verrucae on the column and acrorhagi on the margin. In the region of the Baja California Peninsula, in the Mexican Pacific, six species of Anthopleura have been documented, which are relatively well define...
Article
Full-text available
This study focuses on the analyses of the gastral cavity contents of two species of Ceriantharia, namely Isarachnanthus nocturnus Hartog, 1977, collected in São Sebastião, Brazil, and Pachycerianthus magnus Nakamoto, 1919, collected from two points along the coast of Okinawa Island, Japan. Both morphological (light microscopy) and metagenomic (whol...
Poster
The genus Antholoba Hertwig, 1882 (Actiniaria, Enthemonae) is characterized by the presence of short and numerous tentacles, a folded oral disc in lobes or cup-shaped with an expanded distal part, a smooth or reticulated column wall on its surface, a very long mesogloeal sphincter, and the absence of acontia. At the present, the genus belongs to th...
Presentation
Sea anemones (order Actiniaria) are organisms of the phylum Cnidaria, one of the most biodiverse groups of anthozoans, and they are characterized by being sedentary, solitary marine animals with a polypoid shape. At present, little is known about the actiniarians in the state of São Paulo. Only 14 species of sea anemones have been recorded at the s...
Preprint
Full-text available
A new species of box jellyfish, Copula lucentia sp. nov., is described from El Campello, Alicante, Spain and compared to the holotype of Copula sivickisi that was successfully recovered after being lost for almost 60 years. So far, the only cubozoan species recorded in the Western Mediterranean was Carybdea marsupialis. The genus Copula just includ...
Poster
Full-text available
The Ceriantharia clade (Anthozoa:Cnidarai) includes ~55 currently valid species. With a highly debated phylogenetic position within the Anthozoa group, there is a general consensus that ceriathinds are one of the earliest branches of the cnidarian tree of life. Taking into account their peculiar mitochondrial genome (linear and fragmented, one of t...
Poster
Ceriantharia is an anthozoan clade with a relatively small number of species (~55 extant species) and a relevant evolutionary profile. Because of its alternative phylogenetic affinities, it would be related to ancestral traits and early trends on molecular divergence on main cnidarian clades. To establish a genomic database and related knowledge on...
Poster
The sea anemone Actinostella flosculifera (Le Sueur, 1817) (Actiniaria) is characterized by the presence of a fairly wide marginal ruff that is formed by a number of short or long series of small frond-like papillae, column more or less elongated, usually with adhesive verrucae in its upper part. Currently, A. flosculifera has a wider distribution...
Article
Full-text available
Data collection by citizen scientists is emerging as an important practice for biodiversity detection, mapping, and compilation of big data in open online platforms such as iNaturalist, acting as a source of biodiversity discovery. However, the validation of species identification is a central issue for the scientific use of these data. Here we com...
Article
Full-text available
Introduction: Worldwide, six genera of the class Hydrozoa are recognized in continental waters: the cosmopoli�tan Hydra, the colonial Cordylophora and Pachycordyle, the medusae Craspedacusta and Limnocnida and the little polyp Calpasoma. Even though interest in cnidarians has grown in recent years, those restricted to freshwater continue to be re...
Conference Paper
Full-text available
El presente trabajo constituye una revisión bibliográfica de los géneros Hydra, Cordylophora, Craspedacusta y Calpasoma, representados en América Latina. Aunque el interés por los cnidarios ha crecido en los últimos años, hay poca información sobre aquellos restringidos a agua dulce, y muchos hallazgos no han sido publicados oficialmente. Mediante...
Article
Full-text available
Background Like all cnidarians, the subclass Ceriantharia (Cnidaria, Anthozoa) is known for producing cnidocysts, which mainly serve for prey immobilization, predator defense, and locomotion. Aim The present study aimed to understand the variability of the cnidom, i.e. , the inventory of all cnidocyst types, in the ceriantharians (tube anemones) C...
Article
Full-text available
Background Ceriantharia is a subclass of the phylum Cnidaria, which comprises tube-dwelling marine invertebrates. This subclass is composed of three families, including Arachnactidae, with two known genera. Currently, the genus Arachnanthus has five valid species recorded from Australia, the Mediterranean Sea and both the Southern and Northern Paci...
Article
Behaviour research on Cnidaria, particularly Ceriantharia (Cnidaria, Anthozoa), is generally uncommon. Although ceriantharians or tube-dwelling anemones are known to build soft tubes, their tube-building behaviours remain unknown. In this study, we describe for the first time the tube-building behaviour of Ceriantheomorphe brasiliensis and detail i...
Article
Sea anemones have developed various strategies for interspecific interaction with other organisms and their own ability to obtain food, due to their coevolutionary history, ranging from mutualistic (e.g. clownfish, crustaceans, etc.) and symbiotic associations (zooxanthellae or zoochlorellae) to depredation (e.g. sea slug). This study aims to recor...
Article
From the late 1890s to the mid-1900s, descriptions of Ceriantharia species based solely on analyses of the larval forms were a common practice. Such approaches resulted in taxonomic inconsistencies and an extensive number of species with unreviewed descriptions. The present study discusses the taxonomic position of individuals from the northern Ama...
Article
Full-text available
Corumbella is a terminal Ediacaran tubular, benthic fossil of debated morphology, composition and biological affinity. Here, we show that Corumbella had a biomineralized skeleton, with a bilayered construction of imbricated calcareous plates and rings (sclerites) yielding a cataphract organization, that enhanced flexibility. Each sclerite likely po...
Preprint
Full-text available
Cnidarians are critical members of aquatic communities and have been an experimental system for a diversity of research areas ranging from development to biomechanics to global change biology. Yet we still lack a well-resolved, taxonomically balanced, cnidarian tree of life to place this research in appropriate phylogenetic context. To move towards...
Article
Full-text available
Significance: This paper serves as a reply to the Commentary by Brown and Gibbons (S Afr J Sci. 2022;118(9/10), Art. #12590) on our recently published paper on systematics of the moon jellyfish genus Aurelia (Lawley et al. PeerJ 2021;9, e11954)). We emphasise that we are not advocating for the routine use of molecular data alone in taxonomic diagno...
Article
Full-text available
This study investigates ceriantharian tubes to better understand the biodiversity of marine benthic crustaceans. The inner and outer surfaces of eight tubes of Ceriantharia from the northern coast of the state of São Paulo, Brazil, were analyzed. We observed 14 taxa of crustaceans, including one novel species, Podocerus carmelina sp. nov. We also r...
Article
Full-text available
Cryptic species have been detected across Metazoa, and while no apparent morphological features distinguish them, it should not impede taxonomists from formal descriptions. We accepted this challenge for the jellyfish genus Aurelia, which has a long and confusing taxonomic history. We demonstrate that morphological variability in Aurelia medusae ov...
Article
Full-text available
The use of behavioral data is quite common in studies of chordate animals and some groups of arthropods; however, these data are usually used in ecological and conservation studies. Their use remains uncommon in phylogenetic reconstructions, especially for non-model groups in behavioral studies. This study aims to evaluate the methodological use of...
Article
Full-text available
The massive occurrence of jellyfish in several areas of the world is reported annually, but most of the data come from the northern hemisphere and often refer to a restricted group of species that are not in the genus Cassiopea. This study records a massive, clonal and non-native population of Cassiopea and discusses the possible scenarios that res...
Article
Full-text available
In this study, we performed a bibliographical review examining the scientific literature on "feeding in Anthozoa" for the period from 1890 to 2019, using the scientific database Google Scholar, supplemented with additional literature. This study categorized published scientific papers on this topic by decade of publication, target taxa, variability...
Article
Full-text available
This study is about seven individuals of Botrucnidifer norvegicus Carlgren, 1912 (Anthozoa, Ceriantharia) that were attached to a stony deep-sea coral, Desmophyllum pertusum Linnaeus, 1758 (Anthozoa, Scleractinia). They were collected during surveys at Agdenes, Trondheimsfjord. We included photographs of live specimens, discussed the implications o...
Preprint
Full-text available
In this study, we performed a bibliographical review examining the scientific literature on “feeding in Anthozoa” theme for the period from 1890 to 2019, using scientific databases (Google Scholar) supplemented with additional literature. This study categorized published scientific papers on this topic by decade of publication, target taxa, variabi...
Article
Full-text available
Tube anemones, or cerianthids, are a phylogenetically informative group of cnidarians with complex life histories, including a pelagic larval stage and tube-dwelling adult stage, both known to utilize venom in stinging-cell rich tentacles. Cnidarians are an entirely venomous group that utilize their proteinaceous-dominated toxins to capture prey an...
Article
Full-text available
The fauna of Ceriantharia (tube-anemones) in the South Pacific is poorly studied with only four shallow-water species formally described and these animals are known from few regions in very specific reports. Cerianthids are organisms that live in a tube constructed with a special type of cnidae and are currently grouped in an exclusive subclass of...
Article
Full-text available
The diversity of Ceriantharia is known from studies formally describing species from the late 18th Century onwards. However, no nomenclators including a list and discussion of all valid species have been produced since a list discussed by Carlgren in 1912. The present nomenclator presents a complete list of adult species of Ceriantharia of the Worl...
Preprint
Full-text available
Tube anemones, or cerianthids, are a phylogenetically informative group of cnidarians with complex life histories, including a pelagic larval stage and tube-dwelling adult stage, both known to utilize venom in stinging-cell rich tentacles. Cnidarians are an entirely venomous group that utilize their proteinaceous-dominated toxins to capture prey an...
Article
Full-text available
This study reports on the fauna found in/on tubes of 10 species of Ceriantharia and discusses the characteristics of these occurrences, as well as the use of mollusc shells in ceriantharian tube construction. A total of 22 tubes of Ceriantharia from Argentina, Brazil, Japan, Norway, Portugal and the United States were analysed, revealing 58 species...
Chapter
Full-text available
This chapter offers a summary of freshwater cnidarians from the Neotropical region. A short review on methods of identification with the most relevant aspects of morphology and biology can be found, as well as a key identification based on the most recent studies of the group. In this chapter you will find the basic tools necessary to be able to ta...
Article
Full-text available
This study provides the first observation that umbrellar tissue can lead to the formation of virtually all body structures in jellyfish of the order Rhizostomeae. The regeneration process was observed in two specimens of the upside-down jellyfish Cassiopea xamachana Bigelow, 1892, one housed at the Vienna Zoo, Austria and the other in a laboratory...
Article
Full-text available
The present study presents a revision of the genus Ceriantheomorphe Carlgren, 1931, including redescrip-tions of the two presently recognized species, Ceriantheomorphe ambonensis (Kwietniewski, 1898) and Ceriantheomorphe brasiliensis (Mello-Leitão, 1919), comb. nov., and a description of the new species Ceriantheomorphe adelita sp. nov.
Article
Full-text available
The occurrence of Isarachnanthus Carlgren, 1924 (Cnidaria: Anthozoa: Ceriantharia) specimens in Cape Verde Islands is recorded. Identification of the tube anemone species Isarachnanthus maderensis (Johnson, 1861) was possible based on DNA Barcoding. A discussion on biogeographic patterns associated with ocean circulation and life cycle is presented...
Article
Chaetodontidae is among the most conspicuous families of fishes in tropical and subtropical coral and rocky reefs. Most ecological studies focus in the genus Chaetodon, while Prognathodes remains poorly understood. Here we provide the first account on the ecology of Prognathodesobliquus, a butterflyfish endemic to St. Peter and St. Paul’s Archipela...
Article
Full-text available
Ceriantharians or tube-dwelling sea anemones are known for synthesizing soft and flexible tubes made of mucus, cnidae filaments (ptychocysts), and sediments found on the soft bottom. These tubes are used to house and protect them from danger, although many species of marine invertebrates use ceriantharian tubes as alternative substrates. Little is...
Article
Full-text available
While records of Carybdea marsupialis in the literature suggest a worldwide distribution of this species, the validity of some of these records has been questioned recently, as has the validity of some nominal Carybdea species. We inspected material of all known species of Carybdea from multiple locations (i.e. Spain, Algeria, Tunisia, Puerto Rico,...
Poster
Full-text available
Cnidarians are a stunning group of animals with diverse ecologies, life histories, and morphologies. Relationships within the cnidarian tree of life have been the subject of controversy for many years and the position of several nodes, especially within the Anthozoa, remain unresolved. This project aims to clarify the relationships among and within...
Preprint
Full-text available
Research Infrastructures (RIs) are facilities, resources and services used by the scientific community to conduct research and foster innovation. LifeWatch ERIC has developed various virtual research environments, which include many virtual laboratories (vLabs) offering high computational capacity and comprehensive collaborative platforms that supp...
Preprint
Full-text available
Research Infrastructures (RIs) are facilities, resources and services used by the scientific community to conduct research and foster innovation. LifeWatch ERIC has developed various virtual research environments, which include many virtual laboratories (vLabs) offering high computational capacity and comprehensive collaborative platforms that supp...
Preprint
Full-text available
Sequences and structural attributes of mitochondrial genomes have played a key role in the clarification of relationships among Cnidaria, a key phylum of early-diverging animals. Among the major lineages of Cnidaria, Ceriantharia ("tube anemones") remains one of the most enigmatic groups in terms of its phylogenetic position. We sequenced the mitoc...
Preprint
Sequences and structural attributes of mitochondrial genomes have played a key role in the clarification of relationships among Cnidaria, a key phylum of early-diverging animals. Among the major lineages of Cnidaria, Ceriantharia ("tube anemones") remains one of the most enigmatic groups in terms of its phylogenetic position. We sequenced the mitoc...
Article
Full-text available
The upside-down jellyfish Cassiopea xamachana (Scyphozoa: Rhizostomeae) has been predominantly studied to understand its interaction with the endosymbiotic dinoflagellate algae Symbiodinium. As an easily culturable and tractable cnidarian model, it is an attractive alternative to stony corals to understanding the mechanisms driving establishment an...