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/vector of introduction: Stocking
	Gulf of Riga/vector of introduction: Stocking

Alien species name	First observed	Taxon	Ecofunctional group	Origin	Vector of introduction	Salinity range in native habitats	Ecological impact
Acipenser baeri	1962	Pisces	Fish predacious	Asia, Siberia (inland waters)	Stocking	Limnetic	Hybridization [Exp., Oreg.]
Acipenser gueldenstaedti	1962	Pisces	Fish predacious	Ponto-Caspian	Stocking	Limnetic to Polymixohaline	Hybridization [Oreg.] Transfer of parasites and diseases [Oreg.]
Acipenser ruthenus	1948	Pisces	Fish predacious	Ponto-Caspian	Stocking	Limnetic	Hybridization [Oreg.]
Aristichthys nobilis	1960 **	Pisces	Fish planktivorous	Asia, Siberia (inland waters)	Stocking	Limnetic	Benthic-pelagic interaction [Oreg.] Competition [Oreg.]
Carassius gibelio	1600 **	Pisces	Fish bentophagous	Asia, Siberia (inland waters)	Stocking		Community dominance [B.] Competition [Oreg.] Food-prey [Oreg.] Hybridization [Oreg.]
Cyprinus carpio	1400 **	Pisces	Fish bentophagous	Ponto-Caspian	Stocking	Limnetic	Bioacummulation [Exp., Oreg.] Community dominance [Oreg.] Competition [Oreg.] Habitat change [Oreg.] Herbivory [Exp.] Hybridization [Oreg.] Predation [Exp., Oreg.]
Coregonus autumnalis migratorius	1957	Pisces	Fish planktivorous	Asia, Siberia (inland waters)	Stocking	Limnetic	Food-prey [Oreg.]
Coregonus muksun	1970	Pisces	Fish planktivorous	Asia, Siberia (inland waters)	Stocking	Limnetic	Unknown
Coregonus nasus	1960	Pisces	Fish planktivorous	Asia, Siberia (inland waters)	Stocking	Limnetic	Predation [B.] Transfer of parasites and diseases [B.]
Hypophthalmichthys molitrix	1960	Pisces	Fish planktivorous	Asia, Siberia (inland waters)	Stocking	Limnetic	Benthic-pelagic interaction [Oreg.] Competition [Oreg.]
Huso huso	1962	Pisces	Fish predacious	Ponto-Caspian	Stocking	Limnetic to Polymixohaline	Hybridization [Exp.]
Oncorhynchus keta	1971	Pisces	Fish predacious	Pacific	Stocking	Limnetic to Euhaline	Competition [Oreg.] Food-prey [Oreg.] Predation [Oreg.]

The mark ** next to the year means, that only decade (sometimes even century) is known.