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Great Lakes Water Life Photo GalleryRotifersGastropidae |
Class
Monogononta-Order Ploima
Family Gastropidae
| Image Link | Scientific Name | Lake Superior | Lake Michigan | Lake Huron |
Lake Erie | Lake Ontario | Habitat |
| Ascomorpha spp. | x | x | x | x | |||
 |
Ascomorpha ecaudis | x | x | x | Spring to fall, not commonly pelagic. | ||
 |
Ascomorpha ovalis | x | x | x | x | x | Most common in the fall. |
 |
Ascomorpha saltans | x | x | Spring to fall, not commonly pelagic. | |||
| Gastropus spp. | x | x | x | x | |||
 |
Gastropus hyptopus | x | x | Rare littoral. | |||
 |
Gastropus minor | x | Rare littoral. | ||||
 |
Gastropus stylifer | x | C | C | x | R | Occurs spring through fall. |
Based on: A Guide to the Rotifers of the Laurentian Great
Lakes. RS Stemberger. 1979. U.S. EPA. EPA-600.
with additions from:
A
Lakewide Comparison of Zooplankton Biomass and Its Species Composition
in Lake Erie, 1983-87. Makarewicz, Joseph C.J. Great Lakes Res. 19(2):275-290.
1993.
A
Decade of Predatory Control of Zooplankton Species Composition of Lake
Michigan. Makarewicz, Joseph C., Bertram, Paul, Lewis, Theodore, and
Brown, Jr., Edward H. J. Great Lakes Res. 21(4):620-640. 1995.
Feasibility
of Shoreside Monitoring of the Great Lakes. Makarewicz, Joseph C. J.
Great Lakes Res. 17(3):344-360. 1991.
Lake
Huron Rotifer and Crustacean Zooplankton, APRIL-JULY, 1980. Evans,
Marlene S. J. Great Lakes Res. 12(4):281-292. 1986.
Seasonal
Abundance of Planktonic Rotifers in a Nearshore Area of Central Lake
Michigan. Duffy, Walter G., and Liston, Charles R. J. Great Lakes Res.
4(1):46-49. 1978.
Lake
Superior: an invasion coldspot? 2003. Igor A. Grigorovich, Alexei V.
Korniushin, Derek K. Gray, Ian C. Duggan, Robert I. Colautti& Hugh
J. MacIsaac. Hydrobiologia 499: 191-210.
Ascomorpha ecaudis |
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Profile: Feeds on green flagellates and chrysomonads. 130-200um. |
More photos and information: |
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Ascomorpha ovalis |
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Alternative Names: Ascomorpha ovalis = Aka Chromogaster ovalis, Anapus ovalis, C. testudo Profile: Feeds on Ceratium and Peridinium. 100-200um. |
Ascomorpha saltans |
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Alternative Names: Ascomorpha saltans = A. hyalina Profile: Feeds on chrysomonads, peridiniens, and Ceratium. 95-150um. |
More photos and information: |
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Gastropus hyptopus |
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Profile: Rare. Can be cultured on Synura. 95-360um. |
Gastropus minor |
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Alternative Names: Gastropus minor = Notops minor |
Gastropus stylifer |
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Alternative Names: Gastropus stylifer = Notops pygmaeus, Sacculus orbicularis, Ascomorpha orbicularis. Profile: Feeds on Dinophyceae. 100-250um. |
More photos and information: |
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