Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
 

Register · Log In
HomeGuideID RequestRecentFrassForumsDonateHelp
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

Registration is open for the 2024 BugGuide gathering in Idaho July 24-27

Moth submissions from National Moth Week 2023

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Photos of insects and people from the 2018 gathering in Virginia, July 27-29


Previous events
Taxonomy
Browse
InfoImagesLinksBooksData
Home » Guide » Arthropods (Arthropoda) » Crustaceans (Crustacea) » Malacostracans (Malacostraca) » Eucarida (Crabs, Crayfish, Shrimp, etc.) (Eucarida) » Crabs, Crayfishes, Lobsters, Prawns, and Shrimp (Decapoda) » True Crabs (Brachyura) » Sesarmidae

Family Sesarmidae

Aratus · Armases

Genus Aratus
Mangrove tree crab? - Aratus pisonii Marsh Crab - Aratus pisonii Mangrove Tree Crab - Aratus pisonii Mangrove Tree Crab - Aratus pisonii Mangrove Tree Crab - Aratus pisonii Mangrove Tree Crab - Aratus pisonii Aratus pisonii Mangrove Tree Crab - Aratus pisonii

Genus Armases
Squareback Marsh Crab - Armases cinereum - female Brown crab with a square back (2) - Armases cinereum Brown crab with a square back (3) - Armases cinereum Crab IMG_0939 - Armases cinereum Square-backed Marsh Crab? - Armases cinereum Squareback Marsh Crab - Armases cinereum Squareback Marsh Crab - Armases cinereum Crab - Armases cinereum


Disclaimer: Dedicated naturalists volunteer their time and resources here to provide this service. We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world. If you need expert professional advice, contact your local extension office.

Contributors own the copyright to and are solely responsible for contributed content.
Click the contributor's name for licensing and usage information.
Everything else copyright © 2003-2024 Iowa State University, unless otherwise noted.

Bugguide is hosted by:

Plant Pathology, Entomology and Microbiology at Iowa State University logo

Printer Friendly Version 		Terms of Use
Privacy Statement
Site Map
Contact