How to Identify Cancridae

Cancridae is a animal family in the Animalia kingdom, order Decapoda, class Malacostraca. The family contains 12 accepted species worldwide.

Key Identification Features

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Representative Cancridae Species

How to identify Metacarcinus novaezelandiae (Hombron & Jacquinot, 1846)

Metacarcinus novaezelandiae (Hombron & Jacquinot, 1846)

Metacarcinus novaezelandiae (Hombron & Jacquinot, 1846)

The pie crust crab (Metacarcinus novaezelandiae) is a crab found around New Zeal…

How to identify Metacarcinus gracilis (Dana, 1852)

Metacarcinus gracilis (Dana, 1852)

Metacarcinus gracilis (Dana, 1852)

Metacarcinus gracilis, the slender crab, is a small cancrid crab easily confused…

How to identify Cancer productus Randall, 1840

Cancer productus Randall, 1840

Cancer productus Randall, 1840

Cancer productus Randall, 1840 is a crab with distinct color and physical featur…

How to identify Cancer plebejus Poeppig, 1836

Cancer plebejus Poeppig, 1836

Cancer plebejus Poeppig, 1836

Cancer plebejus, commonly called the Chilean crab, is a crab species found off t…

How to identify Cancer pagurus Linnaeus, 1758

Cancer pagurus Linnaeus, 1758

Cancer pagurus Linnaeus, 1758

Cancer pagurus is a northeast Atlantic crab species with a distinct lobed carapa…

How to identify Cancer irroratus Say, 1817

Cancer irroratus Say, 1817

Cancer irroratus Say, 1817

Cancer irroratus (Atlantic rock crab) is a North American eastern coast crab wit…

How to identify Metacarcinus anthonyi (Rathbun, 1897)

Metacarcinus anthonyi (Rathbun, 1897)

Metacarcinus anthonyi (Rathbun, 1897)

Metacarcinus anthonyi, the yellow rock crab, is a commercially fished crab speci…

How to identify Cancer borealis Stimpson, 1859

Cancer borealis Stimpson, 1859

Cancer borealis Stimpson, 1859

Cancer borealis, the Jonah crab, is a marine brachyuran crab found along North A…

How to identify Metacarcinus magister (Dana, 1852)

Metacarcinus magister (Dana, 1852)

Metacarcinus magister (Dana, 1852)

Metacarcinus magister (Dungeness crab) is a commercially prized edible crab nati…

How to identify Romaleon antennarium (Stimpson, 1856)

Romaleon antennarium (Stimpson, 1856)

Romaleon antennarium (Stimpson, 1856)

Romaleon antennarium is a crab species with distinct physical features that set …

How to identify Glebocarcinus oregonensis (Dana, 1852)

Glebocarcinus oregonensis (Dana, 1852)

Glebocarcinus oregonensis (Dana, 1852)

Glebocarcinus oregonensis is a crab species with distinct physical traits, defin…

Browse all 12 Cancridae species →

Frequently Asked Questions

How do you identify Cancridae?

Cancridae animals belong to the Decapoda order in the Animalia kingdom. This species has large pincers with distinctive black tips, and has no serrations or projections on the ventral side of its claws. For instant identification, use the iNature app — AI-powered and works offline.

What are the key characteristics of Cancridae?

Cancridae is classified in the order Decapoda, class Malacostraca, phylum Arthropoda. Cancer pagurus, described by Linnaeus in 1758, has distinct coloration based on age: adult carapaces are reddish-brown, while young specimens have purple-brown carapaces.

Sources: GBIF, iNaturalist, Wikipedia · Disclaimer

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