scholarly journals Report of the Working Group on Population Parameters and Demography of Tursiops truncatus in the Southwest Atlantic Ocean

10.5597/00217 ◽  
2017 ◽  
Vol 11 (1-2) ◽  
pp. 71-78 ◽  
Author(s):  
Pedro Friedrich Fruet ◽  
Paula Laporta ◽  
Paulo André C. Flores

The information herein presented were compiled from six scientific articles, one undergraduate monographs, four master and three doctoral thesis and six working papers presented during the “I South American Meeting of Research and Conservation of Tursiops truncatus”, which was held in Rio Grande, Rio Grande do Sul, Brazil between May 21-23, 2010. Some personal communications complement the information. Each topic discussed in the present report followed the geographical sub-divisions established in the Report of the Working Group on Distribution (this volume): a) Northern Brazil; b) North-eastern Brazil; c) South-eastern Brazil; d) Southern Brazil and Uruguay and e) Argentina.

2017 ◽  
Vol 98 (7) ◽  
pp. 1619-1644 ◽  
Author(s):  
Alexandre Dias Pimenta ◽  
Bruno Garcia Andrade ◽  
Ricardo Silva Absalão

A taxonomic revision of the Nystiellidae from Brazil, including samples from the Rio Grande Rise, South Atlantic, was performed based on shell morphology. Five genera and 17 species were recognized. For the richest genus,Eccliseogyra, the three species previously recorded from Brazil were revised:E. brasiliensisandE. maracatu, previously known only from their respective type series, were re-examined. Newly available material ofE. maracatuexpanded the known geographic range of this species to off south-east Brazil.Eccliseogyra nitidais now recorded from north-eastern to south-eastern Brazil, as well as from the Rio Grande Rise. Three species ofEccliseogyraare newly recorded from the South Atlantic:E. monnioti, previously known from the north-eastern Atlantic, occurs off eastern Brazil and on the Rio Grande Rise; its protoconch is described for the first time, confirming its family allocation.Eccliseogyra pyrrhiasoccurs off eastern Brazil and on the Rio Grande Rise, andE. folinioff eastern Brazil. The genusIphitusis newly recorded from the South Atlantic.Iphitus robertsiwas found off northern Brazil, although the shells show some differences from the type material, with less-pronounced spiral keels. Additional new finds showed thatIphitus cancellatusranges from eastern Brazil to the Rio Grande Rise, and Iphitusnotiossp. nov. is restricted to the Rio Grande Rise.Narrimania, previously recorded from Brazil based on dubious records, is confirmed, including the only two living species described for the genus:N. azelotes, previously only known from the type locality in Florida, andN. concinna, previously known from the Mediterranean. A third species,Narrimania raquelaesp. nov. is described from eastern Brazil, diagnosed by its numerous and thinner cancellate sculpture. To the three species ofOpaliopsispreviously known from Brazil, a fourth species,O. arnaldoisp. nov., is added from eastern Brazil, and diagnosed by its very thin spiral sculpture, absence of a varix, and thinner microscopic parallel axial striae.Papuliscala nordestina, originally described from north-east Brazil, is recorded off eastern Brazil and synonymized withP. elongata, a species previously known only from the North Atlantic.


2008 ◽  
Vol 1 ◽  
Author(s):  
Clarêncio Baracho ◽  
Sergio Cipolotti ◽  
Enrico Marcovaldi ◽  
Moacir Apolinário ◽  
Maurizelia Brito Silva

2017 ◽  
Vol 11 (1-2) ◽  
pp. 99-105 ◽  
Author(s):  
Camilah A. Zappes ◽  
Lilian Sander Hoffmann ◽  
Sérgio Morón ◽  
Pedro Friedrich Fruet ◽  
Paula Laporta

Ethnobiological studies and educational projects related to bottlenose dolphins (Tursiops truncatus, Montagu, 1821) are still incipient in the Southwest Atlantic Ocean (SWAO). We review studies conducted in the region, especially Brazil, where more information is available. Proposals to implement studies related to ethnobiology and environmental education in relation to the species are also presented.


Phytotaxa ◽  
2017 ◽  
Vol 291 (2) ◽  
pp. 101
Author(s):  
GUSTAVO HASSEMER

Here, I review the synonymy of Craniolaria integrifolia and typify this name and its synonyms, including the taxonomically complicated species C. argentina. The distribution of C. integrifolia is also greatly extended by the discovery of a gathering of this species from Piauí, north-eastern Brazil, and the recognition of overlooked gatherings from Rio Grande do Sul, southern Brazil, where the type specimen most probably originated from. An updated identification key to the species of Craniolaria is also provided.


2020 ◽  
Vol 94 ◽  
Author(s):  
D.H. Morais ◽  
M.I. Müller ◽  
F.T.V. Melo ◽  
A. Aguiar ◽  
Y. Willkens ◽  
...  

Abstract Rhabdias pocoto n. sp. is herein described from the lungs of the swamp frog Pseudopaludicola pocoto Magalhães, Loebmann, Nogueira, Kokubum, Baptista, Haddad & Garda, 2014, from the Caatinga biome in the state of Ceará, in north-eastern Brazil. The new species is characterized by a body that dilates posteriorly, six small lips (protuberances) and two rounded lateral expansions of cuticular inflation on the anterior end, each containing an amorphous gland-like structure inside and a short and conical tail. Additionally, molecular analysis and comparison of the partial mitochondrial cytochrome c oxidase I sequence of R. pocoto n. sp. revealed genetic divergence between the new species and the sequences of Rhabdias spp. previously deposited in GenBank. Phylogenetic analysis grouped the new taxon into the R. pseudosphaerocephala species complex + R. glaurungi clade. The new discovery represents the 19th species of Rhabdias spp. described in the Neotropical region, the ninth in Brazil and the first species of Rhabdias found parasitizing South American frogs of the genus Pseudopaludicola, as well as the first Caatinga biome species of Rhabdias.


2015 ◽  
Vol 8 ◽  
Author(s):  
Valéria Fonsêca Vale ◽  
Carlos Eduardo Rocha Duarte Alencar ◽  
Sávio Arcanjo Santos Nascimento Moraes ◽  
Fúlvio Aurélio Morais Freire

An adult male specimen ofUca rapax(Crustacea, Decapoda, Ocypodidae), containing bilaterally hypertrophied chelipeds, was found in the mangrove area of the Rio Grande do Norte state, north-eastern Brazil. The chelipeds are subequal in size and similar to the major cheliped of normal male specimens ofUca rapax. This paper is the first record of the aforementioned anomaly for the species from the Brazilian coastline.


2017 ◽  
Vol 11 (1-2) ◽  
pp. 29-46 ◽  
Author(s):  
Lilian Lodi ◽  
Camila Domit ◽  
Paula Laporta ◽  
Juliana C. Di Tullio ◽  
Cristiane C. A. Martins ◽  
...  

The study reviews the information available on the distribution patterns of bottlenose dolphins within the SWAO (04oN-56oS, 25oW-67oW) including the northern portion of Brazil, covering the period from 1894 to 2011.


10.5597/00216 ◽  
2017 ◽  
Vol 11 (1-2) ◽  
pp. 62-70 ◽  
Author(s):  
Paula Laporta ◽  
Pedro Fruet ◽  
Salvatore Siciliano ◽  
Paulo A. Flores ◽  
Julio D. Loureiro

We review information on the biology and ecology of common bottlenose dolphin (Tursiops truncatus) in the Southwest Atlantic Ocean (SWAO) with emphasis on growth, feeding ecology, epizootics and parasites, predation and pathologies.


Zootaxa ◽  
2011 ◽  
Vol 3086 (1) ◽  
pp. 1 ◽  
Author(s):  
ALBERTO A. GUGLIELMONE ◽  
SANTIAGO NAVA ◽  
M. MÓNICA DÍAZ

Historical information shows that South American marsupials are irrelevant hosts for South American hard ticks (Ixodidae Murray) of the genera Haemaphysalis Koch, Rhipicephalus Koch and Dermacentor Koch. Twenty two Amblyomma Koch species were occasionally found on Didelphimorphia Gill, but some records are doubtful (i.e., A. dissimile Koch, 1844) and only A. fuscum Neumann, 1907 appears to be a relevant parasite of this type of host. Twelve species of Ixodes Latreille were determined on these hosts, although one of them, I. longiscutatus Boero, 1944, is probably misidentified. Four species, I. amarali Fonseca, 1935b, I. loricatus Neumann, 1899, I. luciae Sénevet, 1940 and I. venezuelensis Kohls, 1953 are usual parasites of Didelphimorphia. These species (I. venezuelensis excluded) have adult ticks feeding mostly on Didelphidae Gray, and sub-adult ticks feeding mostly on Didelphidae and several species of sigmodontine rodents. All parasitic stages of I. venezuelensis were recorded from Didelphimorphia although rodents are also of importance for its life cycle. Records from marsupials and nonmarsupial hosts show that I. amarali is established in eastern Brazil, and I. venezuelensis in Venezuela, Colombia, Panama and Costa Rica. The alleged southernmost record of I. luciae in Central Argentina was found to be erroneous and its southern limit is located in northwestern Argentina and its way northwards includes Bolivia, Peru, western Brazil, French Guiana, Surinam, Trinidad & Tobago, Panama, Guatemala, Belize and southern Mexico with unconfirmed but probably valid records for Ecuador, Colombia, Costa Rica, Nicaragua and Honduras. The distribution of I. loricatus has been historically considered to range from southern Argentina to southern Mexico but southernmost and northernmost records are now considered doubtful along with Venezuelan populations for this tick, while the only records for Panama and Colombia were based on wrong tick identifications. Bona fide populations of I. loricatus range from central-eastern Argentina and southern Uruguay to Paraguay up to north-eastern Brazil. Dromiciops gliroides Thomas, the only member of Microbiotheria Ameghino is the exclusive host of Ixodes neuquenensis Ringuelet, 1947. There is only one record of tick infestation (Ixodes jonesae Kohls, Sonenshine & Clifford, 1969) of Paucituberculata Ameghino, indicating that these marsupials are of no apparent importance for maintenance of South American hard ticks. We speculate that the species of Ixodes feeding on Didelphimorphia and Sigmodontinae Wagner are a clade derived from ancestors feeding exclusively on Didelphidae that radiated after the invasion of South America by Sigmodontinae or their ancestors. Ixodes neuquenensis (established in south-western South America) is considered a relatively new species that radiated from Ixodes parasites of Sigmodontinae invaders in southern South America.


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