Showing: 51 - 58 of 58 RESULTS
New record and update of Pruvotia sopita (Pruvot, 1890) (Mollusca, Aplacophora) in the South of Spain

New record and update of Pruvotia sopita (Pruvot, 1890) (Mollusca, Aplacophora) in the South of Spain

Castro-Claros J.D., Cobo M.C., Lucena-Serrano C., Checa A., Salas C. mcobollovo@ua.edu   Due to their small size and specific habitat, many species are associated to cnidarian colonies, Solenogastres (Mollusca, Aplacophora) often go unnoticed during sampling. Additionally, their identification involves the study of mantle sclerites and the internal anatomy, which requires the use of a specific …

Validation of the most informative descriptors for the species of the gender Cardiomya Adams, 1864 in Brazil

Validation of the most informative descriptors for the species of the gender Cardiomya Adams, 1864 in Brazil

Carvalho de Lima T., Barreto Braga Mello V., de Castro Oliveira C.D. tarcillacarvalho@gmail.com Cardiomya Adams, 1864 is a genus of septibranch bivalves normally found in deep water. Morphological characters of Cardiomya include a rostrate shell and radial sculpture composed by radial ribs. Despite being strongly indicative for generic differentiation, for specific identification, these same characters …

The preliminary results of the nanoplastics and microplastic impact on Unio tumidus and Sphaerium sp.

The preliminary results of the nanoplastics and microplastic impact on Unio tumidus and Sphaerium sp.

Bonk A., Dąbrowska A., Skawina A. a.bonk@student.uw.edu.pl The presence of diverse plastic particles in aquatic environments and their influence on the ecosystems became a world-scale fact. Although the impact of plastics of different sizes on marine environments is under investigation for several years now, little is known about the presence and influence of these materials …

Uncovering the Biodiversity of Gymnomeniidae (Mollusca, Aplacophora) in the Norwegian Sea

Uncovering the Biodiversity of Gymnomeniidae (Mollusca, Aplacophora) in the Norwegian Sea

Bond C.E., Yap-Chiongco M.K., Hawkins T., Partain R.E., Cobo M.C., Kocot K.M. *mkyapchiongco@crimson.ua.edu Aplacophorans are small vermiform molluscs with a world-wide distribution. Divided among two classes, Solenogastres (= Neomeniamorpha) and Caudofoveata (= Chaetodermomorpha) there are less than 500 formally described species although the true diversity of this group is estimated to be far greater. The …

Early life-cycle stages in freshwater mussel conservation and management

Early life-cycle stages in freshwater mussel conservation and management

Benedict A.1*, Geist J.1 *alia.benedict@tum.de Rapid climatic and anthropogenic change have led to the global decline of native freshwater mussels, and an increased spread of those which are invasive. Efforts to maintain freshwater mussel diversity have prompted many programs for their conservation and management. One key point to such programs is the collection, maintenance and …

Effects of episodic point-source pollution on survival of caged juvenile Margaritifera margaritifera

Effects of episodic point-source pollution on survival of caged juvenile Margaritifera margaritifera

Barák V.1,2*, Jahelková V.1, Simon O.1, Bílý M.1, Douda K.2 *barakv@fzp.czu.cz The effects of contaminants are traditionally considered one of the main reasons of the global declines of freshwater mussels including endangered freshwater pearl mussel Margaritifera margaritifera (Linnaeus, 1758) (FPM). The objective of our study was to develop and test a robust design for the …

Freshwater bivalve malacofauna of the Taz River basin (Western Siberia, Northern Asia)

Freshwater bivalve malacofauna of the Taz River basin (Western Siberia, Northern Asia)

Babushkin E.S.1,2,3* *babushkines@gmail.com The Taz River basin (TRB) is a large aquatic system in the north of Western Siberia (WS). Information on the bivalves of this basin is scarce and published almost exclusively in Russian.  This study aims at giving an overview of the freshwater bivalve fauna of the TRB. Malacological collections of the Zoological …

Effect of El-Nino on the growth performance of oyster cultivated on the Amazon coast

Effect of El-Nino on the growth performance of oyster cultivated on the Amazon coast

Altomari L.N., Barros M.R.F., Santos W.C.R., Herrmann M., Chagas R.A. *contatolaltomari@gmail.com The present study aims to analyze the effects of El Niño on the growth of the oyster Crassostrea tulipa on the Amazon coast through the Overall Growth Performance (OGP) index. This index compares the general growth functions of von Bertalanffy from several studies, analyzing …