Ballast Blog – Invader of the Week – Percnon Gibbesi Crab

Malin Group Ballast Blog

An astounding number of invasive species have established populations in the Mediterranean region, with an estimated introduction of one new species every four weeks for the past five years. This weeks article looks at the species regarded as being the most invasive decapod to enter the Mediterranean – the percnon gibbesi crab. Native to the west and east coast of America and the east coast of the Atlantic, the species is a relatively new arrival to the Mediterranean, having first been found in Sicily in 1999. It has subsequently spread to Greece and Turkey. Transportation via ballast water is a …

Ballast Blog – Invader of the Week – Cyanobacteria

Malin Group Ballast Blog

This weeks article looks at the blue-green algae known as cyanobacteria. Cyanobacteriea is a type of photosynthetic bacteria which can be found in almost every terrestrial and aquatic habitat on earth. Though not an invasive species strictly speaking, they can be considered a particularly troublesome side effect of other invasive species.

Ballast Blog – Invader of the Week – Codium Fragile

Malin Group Ballast Blog

This weeks invader, more commonly referred to as Dead Mans Fingers, is native to the Pacific Ocean around Japan and Korea. However it was first found in Ireland in 1808, and 30 years later in Scotland. It made an appearance on the shores of the Netherlands just before 1900 and can now be found throughout Europe and along the east coast of the US, from the Gulf of St Lawrence all the way to North Carolina. It is not entirely clear how the species came to travel so far, but it is thought that fouling of ships hulls played a …