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Lateral view of a Female Hexagenia limbata (Ephemeridae) (Hex) Mayfly Dun from the Namekagon River in Wisconsin
Hex Mayflies
Hexagenia limbata

The famous nocturnal Hex hatch of the Midwest (and a few other lucky locations) stirs to the surface mythically large brown trout that only touch streamers for the rest of the year.

27" brown trout, my largest ever. It was the sub-dominant fish in its pool. After this, I hooked the bigger one, but I couldn't land it.
Troutnut is a project started in 2003 by salmonid ecologist Jason "Troutnut" Neuswanger to help anglers and fly tyers unabashedly embrace the entomological side of the sport. Learn more about Troutnut or support the project for an enhanced experience here.

Arthropod Class Crustacea-Malacostraca (Crayfish, Scuds, and Sowbugs)

Crustaceans are classified as one of those inconvenient intermediate taxonomic levels, the subphylum. The varieties of interest to trout anglers are in the class Malacostraca.

It contains the orders of scuds (Amphipoda), sowbugs (Isopoda), opossum or mysis shrimp (Mysida), and crayish (Decapoda). Crayfish and scuds are both extremely important trout prey.

Specimens of the Arthropod Class Crustacea-Malacostraca

1 Male Adult
5 Adults
1 Juvenile

1 Streamside Picture of Crustacea-Malacostraca Arthropods:

10 Underwater Pictures of Crustacea-Malacostraca Arthropods:

Discussions of Crustacea-Malacostraca

Help to get some specimens of the isopod Caecidotea communis
11 replies
Posted by Leonardo on Mar 28, 2013 in the family Asellidae
Last reply on Mar 29, 2013 by Leonardo
My name is Leonardo GarcĂ­a, I am a biologist intern in the National Autonomous University of Mexico and I'm doing my thesis with title "Morphological variation in the genus Caecidotea isopods (Packard, 1871) (Crustacea: Peracarida: Isopoda) of Mexico." Inside the National Collection of Crustacean, Biology Institute (UNAM).

I was wondering if somebody can help me to get some specimens of the specie Caecidotea communis and send them to me to continue with my thesis work. It would help and enrich my study.

Thanks for your attention

Leo
Some Photos for Fred
4 replies
Posted by Martinlf on Jan 26, 2011 in the order Isopoda
Last reply on Jan 28, 2011 by FredH
Do these look like the bug you ask about in your post?
Pakistani amphipods
Posted by Halabano on Apr 2, 2009 in the order Amphipoda
Last reply on Apr 2, 2009 by Halabano
Hi! i m working on Pakistani amphipods. i want to be intouch with scientists & students working on amphipods taxonomy & ecology
Taxonomy
2 replies
Posted by DMM on Nov 29, 2006
Last reply on Dec 1, 2006 by DMM
Malacostraca is a class but Crustacea is a subphylum

Start a Discussion of Crustacea-Malacostraca

Arthropod Class Crustacea-Malacostraca (Crayfish, Scuds, and Sowbugs)

Taxonomy
Order in Crustacea-Malacostraca: Amphipoda, Decapoda, Isopoda, Mysida
1 order (Order Mysida) isn't included.
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