Tag Archives: homogenisation

The Japanese Skeleton Shrimp

The Japanese skeleton shrimp is responsible for the reduction of many Norwegian local species who flee in terror because LOOK AT IT

The Japanese skeleton shrimp is responsible for the reduction of many Norwegian local species who flee in terror because LOOK AT IT (Image Credit: Erling Svensen, CC BY 4.0)

Today’s creatures look horrific. Or they would, at least, if they weren’t so tiny. A long-range invader, the Japanese skeleton shrimp (Caprella mutica) is tiny, but their ability to colonise new areas quickly has made them a problem for other aquatic invertebrates since their first sighting in Norway 20 years ago.

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The Asian Ladybeetle

The Asian Ladybeetle, which has now established itself in Norway and will likely be a permanent fixture in our ecosystem

The Asian Ladybeetle, which has now established itself in Norway and will likely be a permanent fixture in our ecosystem (Image Credit: Scott Bauer, US Department of Agriculture, Public Domain)

Reasons for deliberately introducing novel species vary, from their aesthetic appeal to a boost they may provide the economy with. Using them for biological control is another, and it has led to some of the world’s most infamous biological invasions. Today we look at the Asian Ladybeetle, which Norwegian farmers were keen on importing into the country to use to control pest species that were damaging local crops.

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