Content tagged with "Aquatic Invertebrates"

Chinese Mystery Snail

Cipangopaludina chinensis malleata
The Chinese mystery snail is an invasive species quickly taking over urban waters throughout the state. These Asian snails are popular with aquarium hobbyists, and some people appreciate them as food.

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Image of a coldwater crayfish

Coldwater Crayfish

Orconectes eupunctus
This stout crayfish has a very localized distribution in the Eleven Point and Spring River drainages. It has a blue-green head and pincers and a dark, rust-brown carapace. It is an imperiled species.

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image of Crane Fly clinging to a twig

Crane Flies

There are over 500 species of crane flies in North America.
Many people are frightened of crane flies, which resemble huge mosquitoes. But crane flies don’t bite or suck blood. In fact, as adults, most of them don’t have mouths at all!

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Photo of an adult damselfly on a twig next to water.


Species in the suborder Zygoptera
Like their close relatives the dragonflies, damselflies have long bodies, two pairs of long, membranous, finely veined wings, and predaceous aquatic larvae that have extendible mouthparts. Damselflies typically hold their wings together, above the body.

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Truncilla truncata
A common mussel in some areas, deertoe have decorative green markings.

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Image of a devil crayfish

Devil Crayfish

Cambarus diogenes
This powerfully built crayfish is usually a uniform olive or tan, without obvious blotches or spots. Occasional individuals are blue, with yellowish stripes on the abdomen and bright red outlining many body parts. It is found throughout much of the eastern United States.

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Photo of ditch fencing crayfish

Ditch Fencing Crayfish (Shield Crayfish)

Faxonella clypeata
This small, tan crayfish has a pattern of paired blackish dashes along the surface of the carapace and abdomen. The pincers are narrow and cylindrical, with short, abruptly tapering fingers. Sometimes called the shield crayfish, in our state, it's found only only in the southeast, from Ripley County to southern Bollinger County.

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Photo of a male Banded Pennant dragonfly


Species in the suborder Anisoptera
Like their close relatives the damselflies, dragonflies have long bodies, two pairs of long, membranous, finely veined wings, and predaceous aquatic larvae. Dragonflies typically hold their wings stretched outward, horizontally.

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Photo of eastern dobsonfly

Eastern Dobsonfly (Hellgrammite)

Corydalus cornutus
Adult dobsonflies are huge and mothlike, with large wings and a weak, fluttery flight. The fiercely predaceous aquatic larvae, called hellgrammites, are well-known to anglers, who often use them as bait.

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Photograph of Ebonyshell freshwater mussel shell exterior view


Fusconaia ebena
At one time the most valuable shell to the commercial button industry, the ebonyshell is now classified as Endangered in Missouri and is a candidate for federal Endangered status.

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