Florent's Guide To The

Tropical Reefs

Panamic Arrow Crab
Stenorhynchus debilis
Panamic Arrow Crab
Category: Neck Crabs
Scientific Name: Stenorhynchus debilis
Size: 1 to 2 in. (2.5 to 5 cm)  
Depth: 10-130 ft. (3-40 m)
Distribution: Gulf of California, Pacific Coast of Mexico to Peru
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
        └Majoidea (Superfamily)
         └Inachoididae (Family) Neck Crabs
          └Stenorhynchus (Genus)
           └S. debilis (Species)
WoRMS ID: 441967🔗
iNaturalist ID: 195311🔗

All Photographs
© 2026 Florent Charpin