Florent's Guide To The

Tropical Reefs

Red Monomia
Monomia petrea
Red Monomia
Category: Swimming Crabs
Scientific Name: Monomia petrea
Distribution: Indo-Pacific
Arthropoda (Phylum) Arthropods
└Crustacea (Subphylum) Crustaceans
 └Multicrustacea (Superclass) Typical Crustaceans
  └Malacostraca (Class) Malacostracans
   └Eumalacostraca (Subclass) Decapods, Isopods, and Allies
    └Eucarida (Superorder)
     └Decapoda (Order) Decapods
      └Pleocyemata (Suborder)
       └Brachyura (Infraorder) True Crabs
        └Portunoidea (Superfamily)
         └Portunidae (Family) Swimming Crabs
          └Portuninae (Subfamily)
           └Monomia (Genus)
            └M. petrea (Species)
WoRMS ID: 1061709🔗
iNaturalist ID: 1462331🔗

All Photographs
© 2026 Florent Charpin