Results: 28

New record of the invasive snail Melanoides tuberculata (Gastropoda, Thiaridae) - Ceará State, Brazil

Braz. j. biol; 80 (2), 2020
Abstract Melanoides tuberculata is a freshwater gastropod native to Africa and Asia, and currently presents distributed worldwide. The first record of Melanoides tuberculata in South America occurred in Brazil, in the city of Santos, state of São Paulo, in 1967. Therefore, the objective of the present s...

Spatial distribution in marine invertebrates in rocky shore of Araucania Region (38° S, Chile)

Braz. j. biol; 80 (2), 2020
Abstract The rocky shores in Chile have a wide invertebrate species diversity, that include species with marked abundances in determined regions. The aim of the present study is to analyse the spatial distribution pattern in different marine invertebrate species in rocky shore of Araucania region, consid...

Age and growth of two populations of Pugilina cochlidium (Gastropoda: Melongenidae), from Thondi coast-Palk Bay in Tamil Nadu-South East coast of India

Braz. j. biol; 80 (1), 2020
Abstract Age and growth of two populations of Pugilina cochlidium were studied. to address the lack of basic information on the growth rates and the size at sexual maturity of organism in a commercially harvested area, which will be important in considering the size limits to conserve this resources in f...

Diversidad malacológica del humedal marino-costero Las Lisas-La Barrona en el Pacífico de Guatemala

Cienc. tecnol. salud; 7 (1), 2020
Los moluscos son uno de los grupos faunísticos dominantes en ambientes estuarinos con bosque de manglar como el humedal Las Lisas-La Barrona. Forman parte de la transferencia de energía a través de las redes tróficas y contribuyen a la estructuración de los hábitats bénticos. El humedal Las Lisas-...

Gastropods as intermediate hosts of Angiostrongylus spp. in the Americas: bioecological characteristics and geographical distribution

Mem. Inst. Oswaldo Cruz; 115 (), 2020
BACKGROUND Intermediate hosts are key organisms in maintaining parasite life cycles, because they can act as amplifiers in the transmission from natural reservoirs to humans. One of the most important groups of intermediate hosts for zoonotic nematode infections are gastropods,slugs and snails. These ar...

New approaches to studying morphological details of intramolluscan stages of Angiostrongylus vasorum

Abstract Angiostrongylus vasorum is a pulmonary artery parasite of domestic and wild canid. On molluscs, intermediate host, first stage larvae (L1) are found after the first day of infection, in the 8th L2 and in the 30 th L3. It was evaluated L1, L2 and L3 recovered by Baermann technique from Achatina f...

Diagnóstico molecular de larvas de Angiostrongylus spp. recuperadas de gastrópodes

Gastrópodes continentais atuam como hospedeiros intermediários de nematódeos de interesse para a saúde humana e animal, como Angiostrongylus spp. e outros pertencentes à superfamília Metastrongyloidea. O procedimento de digestão artificial é comumente utilizado para recuperar larvas de nematódeo...

Imposex in Stramonita haemastoma from coastal sites of Cartagena, Colombia

Braz. j. biol; 78 (3), 2018
Abstract Imposex is the development of male sexual characteristics caused by the toxic effects of some chemicals that acts as an endocrinal disruptor. Antifouling paints contain these chemicals. Cartagena lacks studies to indicate the extent of imposex in its coastal waters. The aim of this study was to ...

Freshwater gastropods in the Northern littoral mesoregion of Espírito Santo, Brazil

Acta sci., Biol. sci; 39 (3), 2017
Studies on the distribution of molluscs in Brazil have been conducted since the beginning of the twentieth and the knowledge of the species distributed in the country represent important findings, which contribute to the understanding of human diseases and those of veterinary importance, transmitted by t...

Assessment of tributyltin contamination based on imposex in Stramonita rustica (Mollusca: Gastropoda) along southern Bahia coast, northeastern Brazil

Braz. j. biol; 77 (1), 2017
Abstract This study investigated the effects of tributyltin (TBT) on the morphology of the genital system of the gastropod Stramonita rustica in southern Bahia, Brazil. For this, 330 specimens were collected during the summer of 2014 at eight sampling points to ascertain whether male sex organs had devel...