The biology of Gammarus (Crustacea, Amphipoda) in the northwestern Atlantic. IX. Gammarus wilkitzkii Birula, Gammarus stoerensis Reid, and Gammarus mucronatus Say

Gammarus wilkitzkii is a circumpolar, arctic species found from the Arctic Ocean south to Newfoundland. Females produce a single large brood of large eggs in the autumn or early winter which hatches and is released from April to July. The species matures at a relatively large size.Gammarus stoerensi...

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Bibliographic Details
Published in:Canadian Journal of Zoology
Main Authors: Steele, D. H., Steele, V. J.
Format: Article in Journal/Newspaper
Language:English
Published: Canadian Science Publishing 1975
Subjects:
Animal Science and Zoology
Ecology, Evolution, Behavior and Systematics
Arctic
Arctic Ocean
Gammarus wilkitzkii
Newfoundland
Online Access:http://dx.doi.org/10.1139/z75-129
http://www.nrcresearchpress.com/doi/pdf/10.1139/z75-129
Description
Summary:Gammarus wilkitzkii is a circumpolar, arctic species found from the Arctic Ocean south to Newfoundland. Females produce a single large brood of large eggs in the autumn or early winter which hatches and is released from April to July. The species matures at a relatively large size.Gammarus stoerensis is an Atlantic amphiboreal species found from eastern Nova Scotia south to Rhode Island. It is a small species and females produce a series of small broods of small eggs between the spring and autumn, but are in the resting stage between then and late winter.Gammarus mucronatus is found from southwestern Newfoundland south to the Gulf of Mexico. It is a small species and produces a low number of small eggs in each of several summer broods.

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