Non-indigenous estuarine and marine organisms

Abbreviations used:

[B.]: found in the Baltic Sea.
[Oreg.]: found in Other regions
[Exp.]: found in Experimental studies.

Notes:

1. Species links contain full entries
2. Other links include full bibliographic reference(s)
3. For explanation see Database Help

	Gulf of Riga/ecofunctional group: Benthic deposit feeders

Alien species name	First observed	Taxon	Ecofunctional group	Origin	Vector of introduction	Salinity range in native habitats	Ecological impact	Impact on uses/resources
Marenzelleria neglecta	1985	Polychaeta	Benthic deposit feeders Benthic suspension feeders	North America	Shipping	Polymixohaline to Euhaline	Benthic-pelagic interaction [B.] Community dominance [B., Oreg.] Competition [B., Exp., Oreg.] Food-prey [B.] Habitat change [B.] Predation [B.]
Potamopyrgus antipodarum	1887	Mollusca	Benthic deposit feeders	Pacific	Shipping	Limnetic to Polymixohaline	Community dominance [B.] Competition [Oreg.] Food-prey [B., Oreg.] Herbivory [Oreg.] Transfer of parasites and diseases [Oreg.]