Sometimes the environmental news at Echo can be terrifying – or at least extremely gross.

With tongue in cheek and in honor of Halloween, today we’re asking you to conceive of Great Lakes horror headlines.

The mouths of sea lamprey are about as horrifying as it gets. Photo: michiganseagrant (Flickr)

You’ve got plenty of fodder: Slimey green algae, blood-sucking  sea lamprey, giant leaping carp.

Some examples to get you started:

• The attack of the bloody red shrimp
• The e.coli that ate the beach
• It came for our water
• The case of the disappearing diporeia
• The storm sewer that swallowed Chicago

But you can do better. Show us in the comments section below.