While macroinvertebrates are a tasty food source for crayfish, a new study reveals a surprising finding: When crayfish were present in in-stream experimental enclosures, macroinvertebrate density was higher, not lower.
Ecology
Apr 21, 2016
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31
Ecologists have found that Murray crayfish numbers plunged 90 per cent in a high country river after their habitat was lost.
Ecology
Mar 4, 2016
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2
With its orange to greenishly orange motley tip, the new crayfish species has been long-confused with its relatives by the tradesmen who have been collecting them for ornamental purposes. Being exported to countries in Europe, ...
Ecology
Aug 25, 2015
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23
The U.S. Fish and Wildlife Service is proposing to list species of Appalachian crayfish as endangered, with potential consequences for the struggling eastern Kentucky mining industry.
Ecology
Apr 7, 2015
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27
The common frog is one of the amphibians with the highest distribution in the Iberian Peninsula. It reproduces preferably in permanent areas of water where it comes into contact with the red swamp crayfish, which preys on ...
Plants & Animals
Jul 9, 2014
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0
(Phys.org) —A team of researchers working in France has found that when stressed, crayfish tend to exhibit anxiety-like behavior. In their paper published in the journal Science, the team describes how they conducted experiments ...
Hidden in one of Australia's most developed and fastest growing areas lives one of the world's smallest freshwater crayfish species. Robert B McCormack the Team Leader for the Australian Crayfish Project described the new ...
Ecology
Apr 8, 2014
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0
Managing the damage and impact of non-native or invasive species costs the UK nearly £2 bn per year. The UK has seven species of crayfish with established populations – only one is a native species.
Ecology
Feb 18, 2014
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0
Four years ago, UW-Madison researchers wrapped up a multi-year effort to dramatically reduce the population of a destructive invasive species in a northern Wisconsin lake.
Ecology
Sep 9, 2013
7
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Insects are so successful on the land because insect eggs are protected from desiccation. Thanks to an extraembryonic membrane in the egg, the serosa, insects could successfully switch from life in the water to life on land. ...
Plants & Animals
Jun 26, 2013
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