Two new populations of the European mudminnow, Umbra krameri Walbaum, 1792, were encountered in Banat and Oltenia regions, southwestern Romania, within 2014-2017. The mudminnows were captured with a hand net used normally for frogs. This is the first record of this species for Banat. In Oltenia U. krameri was encountered in a region where it was considered extinct. In both areas U. krameri was present in its characteristic habitats, i.e., small water bodies with dense aquatic vegetation. Umbra krameri is subject to human pressure in both areas, but this pressure is more severe in Banat, where the agriculture is more intensive. The rare findings of the species in southern Romania are probably due to unsuitable searching methods often used in surveys, i.e., conducted only in large, but unsuitable aquatic habitats, and using classical ichthyological methods, such as electrofishing.

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The diet of some populations of Lissotriton montandoni from north-western Romania is composed of prey belonging to 20 categories. The food components of the Carpathian newts are similar to those of other species of newts. Most of the prey are aquatic animals, but terrestrial prey also has a high percentage abundance. The consumed prey categories are common in the newts' habitats as well, but in natural ponds the prey item with the highest abundance in the diet is not the most frequent one in the habitat. Thus, although the Carpathian newts are basically opportunistic predators, they still display a certain trophic selectivity

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Terrestrial isopods from warm shores neighboring the thermal waters from western Romania remain active in the winter. This phenomenon is registered in 35 habitats, affecting 12 species (Hyloniscus transsilvanicus, H. riparius, Haplophthalmus danicus, Trichoniscus sp., Androniscus roseus, Cylisticus convexus, Protracheoniscus politus, Trachelipus nodulosus, T. rathkii, Porcellio dilatatus, Armadillidium vulgare, A. versicolor), the most common being T. nodulosus. Females with a marsupium were observed in the cold season in the case of some small-sized species that are present in the immediate vicinity of the shores of thermal waters (A. roseus, H. riparius and H. transsilvanicus). The high temperatures of the thermal waters warm the surrounding terrestrial environment, affecting the life cycle of the terrestrial isopods