Caspian Sea Biodiversity Project under umbrella of Caspian Sea Environment Program

Check-list for Caspian Sea mysids (opossum shrimps)

by Victor Petryashev (malacostraca@zin.ru) and Mikhail Daneliya

	Family	Species	Year and Author	Origin	Relative magnitude	Status	Distribution areas	Data of the last study done
	1	2	3	4	5	6	7	8
1.	Mysidae	Hemimysis anomala	G.O. Sars, 1907	Ponto-Caspian, introduced in the North and Baltic Seas	Less numerous	Firm grounds and clay, 1.5 – 40 m.	Eastern coast of Middle, South Caspian, lower flow of the Volga, Don, Dnieper, Dniester, Danube Rivers, the Sea of Azov, Black, Baltic, North Seas.	Derzhavin, 1939; Bacescu, 1969; Salemaa and Hietalahti, 1993, Daneliya, 2002a
2.		Mysis caspia	G.O. Sars, 1895	Caspian	Ordinary	Epibenthic and pelagic, 38 – 390 m.	Middle, South Caspian.	Derzhavin, 1939; Atlas of Caspian Sea Invertebrates, 1968.
3.		M. macrolepis	G.O. Sars, 1907	Caspian	Less numerous	Pelagic, 200 – 300 m, more often 250 – 300 m.	Middle, South Caspian.	Derzhavin, 1939; Atlas of Caspian Sea Invertebrates, 1968.
4.		M. microphthalma	G.O. Sars, 1895	Caspian	Ordinary	Pelagic, 50 – 750 m , more often 138 – 390 m.	Middle, South Caspian	Derzhavin, 1939; Atlas of Caspian Sea Invertebrates, 1968.
5.		M. amblyops	G.O. Sars, 1907	Caspian	Ordinary	Pelagic, 50 –750 m.	Middle, South Caspian	Derzhavin, 1939; Atlas of Caspian Sea Invertebrates, 1968.
6.		Schistomysis elegans	G.O. Sars, 1907	Caspian	Ordinary	Firm grounds, sand, 9 – 56 m.	Eastern coast of Middle, South Caspian.	Derzhavin, 1939; Atlas of Caspian Sea Invertebrates, 1968.
7.		Paramysis (Paramysis) baeri	Czerniavsky, 1882.	Caspian	Ordinary	Sand, rarely with silt, 5 – 20 m.	North, Middle, South Caspian, Ural River	Derzhavin, 1939; Bacescu, 1969, Daneliya, 2004.
8.		P.(P.) kessleri	G.O. Sars, 1895	Ponto-Caspian	Ordinary	Silt, sand, 1 – 114 m.	North, Middle, South Caspian; lower flow of Danube, South Bug, Dniester, Dnieper Rivers.	Derzhavin, 1939; Bacescu, 1969, Daneliya, 2004.
9.		P.(P.) eurylepis	G.O. Sars, 1907	Caspian	Less numerous	Firm grounds, sand, 10 – 114 m.	Middle Caspian	Derzhavin, 1939; Atlas of Caspian Sea Invertebrates, 1968 Daneliya, 2004.
10.		P.(Metamysis) ullskyi	Czerniavsky, 1882	Ponto-Caspian	Ordinary	Sand, rarer silt, clay, 0.5 – 15 m.	North, rarer Middle, South Caspian, the Volga, Oka, Kama, Ural Rivers; Sea of Azov, the Don River, lower flow of the Danube, South Bug, Dniestr, Dnieper Rivers.	Derzhavin, 1939; Bacescu, 1969, Daneliya, 2002a, 2004.
11.		P.(M.) grimmi	G.O. Sars, 1895	Caspian	Ordinary	Silt, rarer sand, 10 – 185 m, more often 30 – 80 m.	Middle, South Caspian.	Derzhavin, 1939; Atlas of Caspian Sea Invertebrates, 1968, Daneliya, 2004.
12.		P.(M.) inflata	G.O. Sars, 1907	Caspian	Less numerous	Firm grounds with sand and silt, 10 – 80 m, more often 20 – 60 m.	South part of North, Middle Caspian.	Derzhavin, 1939; Atlas of Caspian Sea Invertebrates, 1968, Daneliya, 2004.
13.		P.(Serrapalpisis) lacustris	(Czerniavsky, 1882)	Ponto-Caspian, introduced in the Baltic Sea, Aral Sea, Lake Issyk-Kul.	Ordinary	Sand, silt, often with plants, rarer firm grounds, 0.5 – 6 m.	North, rarer Middle, South Caspian, lower flow and mouths of the Caspian basin rivers, the Sea of Azov, lower flow of the Black and Azov Sea basin rivers, Lakes Abrau, Paleostomi, Beishehir (Turkey), introduced in the Baltic Sea (Kuronian Bay).	Derzhavin, 1939; Bacescu, 1969, Daneliya, 2002a, 2004.
14.		P.(S.) sowinskii	Daneliya, 2002	Ponto-Caspian	Less numerous	Silt, sand, 1 – 15 m.	West coast of Middle Caspian, The Sea of Azov, lower flow of the Don River.	Daneliya, 2002a, b, 2004.
15.		P.(S.) incerta	G.O. Sars, 1895	Caspian	Ordinary	Firm grounds, sand, silt, 5 – 94 m, oftener 10 – 40 m.	South part of North, Middle, South Caspian.	Derzhavin, 1939; Atlas of Caspian Sea Invertebrates, 1968, Daneliya, 2004.
16.		P.(Nanoparamysis) loxolepis	(G.O. Sars, 1895)	Caspian	Ordinary	Silt, 5 – 750 m, more often 20 – 150 m.	Middle, South Caspian.	Derzhavin, 1939; Atlas of Caspian Sea Invertebrates, 1968, Daneliya, 2004.
17.		P.(Mesomysis) intermedia	(Czerniavsky, 1882)	Ponto-Caspian	Ordinary	Sand, rarer silt, 1 – 18 m, oftener 1 – 5 m.	North, rarer Middle, South Caspian, lower flow of the Volga, Ural Rivers; Sea of Azov, lower flow of the Black and Azov Sea basin rivers.	Derzhavin, 1939; Bacescu, 1969, Daneliya, 2002a, 2004.
18.		Caspiomysis knipowitschi	G.O. Sars, 1907	Caspian	Numerous	Firm grounds, rarer sand, silt, 8 – 96 m, more often 10 – 40 m.	South part of North, Middle, South Caspian.	Derzhavin, 1939; Atlas of Caspian Sea Invertebrates, 1968.
19.		Katamysis warpachowskyi	G.O. Sars, 1893	Ponto-Caspian	Numerous	Firm grounds, sand, rarer silt, 1 – 35 m, oftener 1 – 10 m.	North, Middle, South Caspian, the Volga River Delta; lower flow of the Danube, Dniester, Dnieper, Don Rivers.	Derzhavin, 1939; Bacescu, 1969, Daneliya, 2001a,b.
20.		Diamysis pusilla	G.O. Sars, 1907	Caspian	Less numerous	Firm grounds, sand, 10 – 31 m.	Eastern coast of Middle, South Caspian.	Derzhavin, 1939; Atlas of Caspian Sea Invertebrates, 1968.
21.		Limnomysis benedeni	Czerniavsky, 1882	Ponto-Caspian, introduced in the upper Danube River, in the Rhine River, in the Balaton Lake and some Ukrainian lakes, Aral Sea.	Ordinary	Firm grounds, sand, rarer silt, often with algae and freshwater plants, 0.5 – 68 m, oftener 0.5 – 10 m.	North, Middle, South Caspian, lower flow, mouths of the rivers and lakes of the Caspian basin, the Sea of Azov, north part of the Black Sea, lower flow of the Black and Azov Sea basin rivers, introduced in the upper Danube River, in the Rhine River, in the Balaton Lake and some Ukrainian lakes, Aral Sea.	Derzhavin, 1939; Bacescu, 1969, Daneliya, 2001b, 2002a.