How to Identify Xanthidae

Xanthidae is a animal family in the Animalia kingdom, order Decapoda, class Malacostraca. The family contains 17 accepted species worldwide.

Key Identification Features

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Representative Xanthidae Species

How to identify Etisus dentatus (Herbst, 1785)

Etisus dentatus (Herbst, 1785)

Etisus dentatus (Herbst, 1785)

Etisus dentatus is a species of crab found across many locations in the Indo-Pac…

How to identify Xantho pilipes A.Milne-Edwards, 1867

Xantho pilipes A.Milne-Edwards, 1867

Xantho pilipes A.Milne-Edwards, 1867

Xantho pilipes (Risso's crab) is a small hairy-legged marbled crab found in the …

How to identify Paraxanthus barbiger (Poeppig, 1836)

Paraxanthus barbiger (Poeppig, 1836)

Paraxanthus barbiger (Poeppig, 1836)

Paraxanthus barbiger is the only species in the Paraxanthus genus, part of the X…

How to identify Zosimus aeneus (Linnaeus, 1758)

Zosimus aeneus (Linnaeus, 1758)

Zosimus aeneus (Linnaeus, 1758)

Zosimus aeneus is a toxic Indo-Pacific intertidal crab that can cause fatal huma…

How to identify Lophozozymus pictor (Fabricius, 1798)

Lophozozymus pictor (Fabricius, 1798)

Lophozozymus pictor (Fabricius, 1798)

Lophozozymus pictor is a highly toxic mosaic-spotted crab found across the Indo-…

How to identify Xantho hydrophilus (Herbst, 1790)

Xantho hydrophilus (Herbst, 1790)

Xantho hydrophilus (Herbst, 1790)

Xantho hydrophilus is a species of crab found in northeastern Atlantic coastal w…

How to identify Atergatis floridus (Linnaeus, 1767)

Atergatis floridus (Linnaeus, 1767)

Atergatis floridus (Linnaeus, 1767)

Atergatis floridus is a toxic Indo-Pacific crab with a characteristic lacy-patte…

How to identify Cycloxanthops novemdentatus (Lockington, 1877)

Cycloxanthops novemdentatus (Lockington, 1877)

Cycloxanthops novemdentatus (Lockington, 1877)

Cycloxanthops novemdentatus is the largest xanthid crab in California, ranging f…

How to identify Lybia tessellata (Latreille, 1812)

Lybia tessellata (Latreille, 1812)

Lybia tessellata (Latreille, 1812)

Lybia tessellata, the mosaic boxer crab, is a small tropical Indo-Pacific crab p…

How to identify Xantho poressa (Olivi, 1792)

Xantho poressa (Olivi, 1792)

Xantho poressa (Olivi, 1792)

Xantho poressa is a crab with distinct juvenile and adult colouration and habita…

Browse all 17 Xanthidae species →

Frequently Asked Questions

How do you identify Xanthidae?

Xanthidae animals belong to the Decapoda order in the Animalia kingdom. It is a well-known, brightly colored species with distinct striking patterning. For instant identification, use the iNature app — AI-powered and works offline.

What are the key characteristics of Xanthidae?

Xanthidae is classified in the order Decapoda, class Malacostraca, phylum Arthropoda. Its carapace is trapezoid in shape, and each side of the carapace margin has a distinct tooth-shaped projection located just behind the short-stalked eye.

Sources: GBIF, iNaturalist, Wikipedia · Disclaimer

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