Image from Micrographia Gallery.

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  Genus Hydra

Species H. oligactis (+ H. fusca)

Taxon Information

The Species H. oligactis has been reported (or is assumed) to occur in fresh waters. This taxon has been reported from midwestern states of North America.

(These statements were generated automatically from the WInvertebrates database.)

Literature Records

• Hydra oligactis, [North Central United States] (Underhill et al., 1982).
• Hydra oligactis, "widely distributed in the U.S., except probably southeastern states" (Hyman, 1959).
• Pelmatohydra oligactis, "... Douglas Lake, Michigan... In addition, some observations were made in Lake Washington, Le Sueur Co., Minnesota... A few observations were made in lakes near Ann Arbor, Michigan..." (Miller, 1936).
• Pelmatohydra oligactis, (Miller, 1936).
• Hydra oligactis, "... Douglas Lake, Michigan" [North America] (Welch & Loomis, 1924).
• Hydra oligactis, (Welch & Loomis, 1924).

Bibliography

• Underhill, J.C., W.D. Schmid & D.E. Gilbertson. 1982. Taxonomic Keys to the Common Animals of the North Central States, exclusive of the parasitic worms, terrestrial insects, and birds, 4th edition. 205 pp.
• Hyman, L.H. 1959. Coelenterata. [in] W.T. Edmondson (ed.). Ward & Whipple Fresh-Water Biology, 2nd edition: 313-322.
• Miller, D.E. 1936. A limnological study of Pelmatohydra with special reference to their quantitative seasonal distribution. Transactions of the American Microscopical Society 55(2): 123-193. [Available online]
• Welch, P.S. & H.A. Loomis. 1924. A limnological study of Hydra oligactis in Douglas Lake, Michigan. Transactions of the American Microscopical Society 43: 203-235. [Available online]

Web Pages

• Integrated Taxonomic Information System
• Micrographia Gallery
• World Hydrozoa Database
• World Register of Marine Species