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 Bothnia/ecological impact: Hybridization
	Gulf of Bothnia/ecological impact: Hybridization

Alien species name	First observed	Taxon	Ecofunctional group	Origin	Vector of introduction	Salinity range in native habitats	Ecological impact
Acipenser ruthenus	1948	Pisces	Fish predacious	Ponto-Caspian	Stocking	Limnetic	Hybridization [Oreg.]
Branta canadensis	1930	Aves	Birds	North America	Stocking	Limnetic	Bioacummulation [Oreg.] Competition Habitat change [Exp., Oreg.] Herbivory [Oreg.] Hybridization [Oreg.] Transfer of parasites and diseases [Oreg.]
Coregonus peled	1960 **	Pisces	Fish planktivorous	Asia, Siberia (inland waters)	Stocking	Limnetic	Hybridization [B., Oreg.] Predation [Oreg.]
Oncorhynchus mykiss	1890	Pisces	Fish predacious	Pacific	Stocking	Limnetic to Euhaline	Competition [Oreg.] Food-prey [Exp.] Habitat change [Oreg.] Hybridization [Oreg.] Predation [Exp.] Transfer of parasites and diseases [Oreg.]
Salvelinus namaycush	1899	Pisces	Fish predacious	North America	Stocking	Limnetic	Bioacummulation [Oreg.] Hybridization [Oreg.] Predation [Oreg.]

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