No natural hybrids have been recorded at the type locality, but a putative cross with " N . tentaculata " was observed by Urs Zimmermann at the new site.
22.
""'Ercolania tentaculata " "'is a species of sacoglossan sea slug, a shell-less marine opisthobranch gastropod mollusk in the family Limapontiidae.
23.
The freshwater snail " Bithynia tentaculata " is capable of detecting the presence of molluscivorous ( mollusk-eating ) leeches through chemoreception, and of closing its operculum to avoid predation.
24.
This species, like other ctenophores, has a large body cavity and is carnivorous, feeding on copepods and small crustaceans snagged by its two extremely sticky and robust tentacles ( see Tentaculata ).
25.
However, this species, although introduced to the Lake Ontario drainage, has been largely out-competed by another introduced snail, this one from the Palaearctic ecozone, " Bithynia tentaculata ".
26.
An emended Latin diagnosis and botanical description of " N . tentaculata " were provided by B . H . Danser in his seminal monograph " The Nepenthaceae of the Netherlands Indies ", published in 1928.
27.
However, a number of populations of " N . tentaculata " from northern Sarawak produce pitchers exceeding 20 cm in height and these may be very similar in appearance to " N . murudensis ".
28.
Due to the relatively wide distribution of this species, and the estimated unlikelihood of major threats, due to its deep water habitat, the IUCN redlist currently lists " V . tentaculata " as Least Concern.
29.
When birds consume the eggs found in the feces of an intermediate host such as earthworms, snails ( " Planorbarius corneus ", " Bithynia tentaculata " and others ), or slugs, they become infected with the parasite.
30.
"Nepenthes muluensis " & times; " N . tentaculata " was described as " Charles Clarke writes that the authors described " N . ?sarawakiensis " " in such a way that their work cannot be easily repeated ".
