Results 41 to 50 of about 1,413 (204)
The authors describe the first case of parasitism on anuran amphibian, Rana temporaria, by the freshwater leech Helobdella stagnalis, in a mountainous area of northwestern Italy.
Rocco Tiberti, Augusto Gentilli
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First record of the introduced freshwater leech Helobdella europaea Kutschera 1987 in Portugal
Primer registre de la sangonera exòtica d'aigua dolça Helobdella europaea Kutschera 1987 a Portugal (Hirudinea, Glossiphoniidae) S'ha comunicat la propagació recent d'espècies de sangoneres exòtiques a tot Europa i encara hi ha una gran llacuna pel que ...
S. Ferreira +4 more
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mporal de la biomasa y la abundancia con base en tres períodos hidrológicos. Se colectaron 2.957 individuos (17 géneros, 11 órdenes). Helobdella fue el taxón dominante aportando 90 % a la biomasa total de la comunidad, seguido de Hyalella, Tanytarsus y ...
Sandra Gómez +2 more
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First Record of Epibiont Ciliates (Ciliophora: Suctoria) Associated with Helobdella adiastola Ringuelet, 1972 (Hirudinea: Glossiphoniidae) in Brazil [PDF]
Epibiosis is an interaction between two organisms, and it can be a relationship with both positive and negative effects. Protozoa of the subclass Suctoria are common epibionts in freshwater environments.
Lucas Duarte de Lima +1 more
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SE DESCRIBE UNA ESPECIE DE SANGUIJUELA DULCEACUÍCOLA HELOBDELLA FANTASMAE N. SP. ESTA DESCRIPCIÓN SE BASA EN EL EXAMEN DE 12 EJEMPLARES RECOLECTADOS EN LA LAGUNA FANTASMA, BARILOCHE (41° 05´S 71° 28´O) DURANTE DICIEMBRE DE 2002.
BETTINA S. GULLO
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Background Leeches are classic annelids that have a huge diversity and are closely related to people, especially medicinal leeches. Medicinal leeches have been widely utilized in medicine based on the pharmacological activities of their bioactive ...
Lei Tong +9 more
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Cephalization refers to the evolutionary trend towards the concentration of neural tissues, sensory organs, mouth and associated structures at the front end of bilaterian animals. Comprehensive studies on gene expression related to the anterior formation
Hee-Jin Kwak +6 more
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Biodiversity of parasites found in the trahira, Hoplias malabaricus (Bloch, 1794), collected in the Batalha River, Tietê-Batalha drainage basin, SP, Brazil [PDF]
Eighty-one Hoplias malabaricus specimens were collected between February 2014 and June 2016. A total of 29 species of metazoan parasites were found, 13 of which were identified as monogeneans, seven were digenean species, seven of which were nematodes ...
THAYANA GIÃO +3 more
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Sessenta espéimes de Pimelodus maculatus provenientes do rio Guandu, Estado do Rio de janeiro, foram examinados para estudo de sua parasitofauna, no perído de agosto de 1999 a fevereiro de 2001.
Michelle Daniele dos Santos +2 more
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In the freshwater ecosystems of Brazil can be found high biodiversity of fish, about 5160 species. However, the Jacaré-Pepira River, located in the state of São Paulo, Brazil, presents a diversity of fish still to be explored in ichthyological studies ...
DÉBORA C. NEGRELLI +3 more
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