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Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.

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

6 Adults
1 Male Adult
1 Juvenile
Cambaridae  Crayfish Juvenile

1 Streamside Picture of Crustacea-Malacostraca Arthropods:

10 Underwater Pictures of Crustacea-Malacostraca Arthropods:

Recent Discussions of Crustacea-Malacostraca

Help to get some specimens of the isopod Caecidotea communis
11 replies
Posted by Leonardo on Mar 29, 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

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 3, 2009 in the order Amphipoda
Last reply on Apr 3, 2009 by Halabano
Hi! i m working on Pakistani amphipods. i want to be intouch with scientists & students working on amphipods taxonomy & ecology
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

Comment on Crustacea-Malacostraca:

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» Class Crustacea-Malacostraca (Crayfish, Scuds, and Sowbugs)
Order in Crustacea-Malacostraca
MysidaMysis Shrimp00
1 order (Order Mysida) isn't included.
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