How to Identify Grapsidae

Grapsidae is a animal family in the Animalia kingdom, order Decapoda, class Malacostraca. The family contains 25 accepted species worldwide.

Key Identification Features

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Representative Grapsidae Species

How to identify Pachygrapsus crassipes Randall, 1840

Pachygrapsus crassipes Randall, 1840

Pachygrapsus crassipes Randall, 1840

Pachygrapsus crassipes Randall, 1840 is a crab with a distinctive striped, mottl…

How to identify Planes minutus (Linnaeus, 1758)

Planes minutus (Linnaeus, 1758)

Planes minutus (Linnaeus, 1758)

Planes minutus is a small pelagic swimming crab that associates with Sargassum w…

How to identify Pachygrapsus marmoratus (Fabricius, 1787)

Pachygrapsus marmoratus (Fabricius, 1787)

Pachygrapsus marmoratus (Fabricius, 1787)

Pachygrapsus marmoratus is a speedly intertidal crab with a toothed square carap…

How to identify Grapsus adscensionis (Osbeck, 1765)

Grapsus adscensionis (Osbeck, 1765)

Grapsus adscensionis (Osbeck, 1765)

Grapsus adscensionis is a crab species found in the eastern Atlantic along Afric…

How to identify Metopograpsus thukuhar (Owen, 1839)

Metopograpsus thukuhar (Owen, 1839)

Metopograpsus thukuhar (Owen, 1839)

Metopograpsus thukuhar is a non-burrowing omnivorous mangrove-dwelling crab with…

How to identify Grapsus grapsus (Linnaeus, 1758)

Grapsus grapsus (Linnaeus, 1758)

Grapsus grapsus (Linnaeus, 1758)

Grapsus grapsus, the Sally Lightfoot crab, is a common agile rocky shore crab fo…

How to identify Grapsus tenuicrustatus (Herbst, 1783)

Grapsus tenuicrustatus (Herbst, 1783)

Grapsus tenuicrustatus (Herbst, 1783)

Grapsus tenuicrustatus, the thin-shelled rock crab, is an Indo-Pacific shore cra…

How to identify Geograpsus lividus (H.Milne Edwards, 1837)

Geograpsus lividus (H.Milne Edwards, 1837)

Geograpsus lividus (H.Milne Edwards, 1837)

Geograpsus lividus is a species of crab with a long larval development period an…

How to identify Leptograpsus variegatus (Fabricius, 1793)

Leptograpsus variegatus (Fabricius, 1793)

Leptograpsus variegatus (Fabricius, 1793)

Leptograpsus variegatus is a large intertidal rocky zone crab found across parts…

How to identify Grapsus longitarsis Dana, 1851

Grapsus longitarsis Dana, 1851

Grapsus longitarsis Dana, 1851

Grapsus longitarsis is a tropical benthic intertidal crab from the Grapsidae fam…

How to identify Grapsus albolineatus Latreille, 1812

Grapsus albolineatus Latreille, 1812

Grapsus albolineatus Latreille, 1812

Grapsus albolineatus is an Indo-Pacific crab species that lives on rocky reefs a…

Browse all 25 Grapsidae species →

Frequently Asked Questions

How do you identify Grapsidae?

Grapsidae animals belong to the Decapoda order in the Animalia kingdom. Description: This species of crab typically has a brown, purple, or black carapace marked with green stripes. For instant identification, use the iNature app — AI-powered and works offline.

What are the key characteristics of Grapsidae?

Grapsidae is classified in the order Decapoda, class Malacostraca, phylum Arthropoda. They are yellowish red in color, with distinct hairs on their legs.

Sources: GBIF, iNaturalist, Wikipedia · Disclaimer

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