AquaNIS: Information system on aquatic non-indigenous and cryptogenic species

Species

Species Name: Blackfordia virginica

Authority: Mayer, 1910

WoRMS AphiaID: 117313

Species Taxonomy

Family: Blackfordiidae

Order: Leptothecata

Class: Hydrozoa

Phylum: Cnidaria

Species Data from AquaNIS

Molecular Information: Not entered

Association with Vessel Vectors: Ballast waters, Biofouling

Plankton Life Stage:

Zooplankton (Adult, Larvae)

Results of species assessment according to Target Species selection criteria

Known human health impact? No

Comments: Not available.

Known economic impact? No

Comments: Not available.

Known measurable environmental impact? Yes

Comments: Potentialy alters trophic interactions or food webs (Hayes et al., 2003)

References: Hayes, K. R., & Sliwa, C., 2003. Identifying potential marine pests—a deductive approach applied to Australia. Mar. Pollut. Bull. 46(1), 91-98.

Included in the final TS list? - Yes

Comments: Assessed by the COMPLETE project experts (2021), included in target species list.

Recipient Region	Introduction Year
Bulgaria / Black Sea	1925
France / Celtic-Biscay Shelf / Celtic seas	1971
France / Celtic-Biscay Shelf / Biscay Gulf	1953
France / Celtic-Biscay Shelf / English Channel	1973
Germany / Baltic Sea	2014
Iran / Caspian Sea	From 1956
Netherlands / North Sea	2014
Portugal / Iberian Coastal	1984
Romania / Black Sea	1940
Russia / Black Sea / Azov Sea	1930
Spain / Iberian Coastal	To 2008
Ukraine / Black Sea	1960 - 1969

Recipient Region	Introduction Year
Germany / Baltic Sea	2014

Country / Port	Detection Year
Netherlands / Hoedekenskerke	2018