Underwater wildlife in a Dutch city


This video is about underwater wildlife research in Leiden, the Netherlands.

The city of Leiden is along the Rhine river, and has many canals as well.

Weekly Witte Weekblad reports about underwater wildlife in Leiden.

It includes two rare threatened fish species: eel and freshwater bullrout.

Other fish species: northern pike, common roach, bream, carp and tench.

Introduced species in Leiden include red swamp crayfish; and Orconectes limosus, another North American crayfish. And Chinese mitten crab.

Cumberland turtles and other turtles also occur in Leiden waters.

Here is a website about underwater wildlife research in Leiden.

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