APHOTOMARINE

An educational resource dedicated mainly to the photography
and diversity of marine life that can be found in coastal waters
and intertidal areas of Great Britain and Ireland by David Fenwick.

Crabs - Brachyura (Crustacean images)
Brachyura (Infraorder) > Eubrachyura (Section) > Heterotremata (Subsection) > Cancroidea (Superfamily) > Atelecyclidae (Family)

Atelecyclus
Atelecyclus rotundatus (Olivi, 1792) - Circular crab

Edible crabs

Brachyura (Infraorder) > Eubrachyura (Section) > Heterotremata (Subsection) > Cancroidea (Superfamily) > Cancridae (Family)

Cancer
Cancer pagurus Linnaeus, 1758 - Edible or Great crab

Mask crabs

Brachyura (Infraorder) > Eubrachyura (Section) > Heterotremata (Subsection) > Corystoidea (Superfamily) > Corystidae (Family)

Corystes
Corystes cassivelaunus (Pennant, 1777) - Mask crab

Angular crabs

Brachyura (Infraorder) > Eubrachyura (Section) > Heterotremata (Subsection) > Goneplacoidea (Superfamily) > Goneplacidae (Family)

Goneplax
Goneplax rhomboides (Linnaeus, 1758) - Angular crab

Spider crabs

Brachyura (Infraorder) > Eubrachyura (Section) > Heterotremata (Subsection) > Majoidea (Superfamily) > Epialtidae (Family) > Pisinae (Subfamily)

Pisa
Pisa armata (Latreille, 1803) - Gibbs' spider crab
Pisa tetraodon (Pennant, 1777) ?
- Four-horned spider crab

Brachyura (Infraorder) > Eubrachyura (Section) > Heterotremata (Subsection) > Majoidea (Superfamily) > Inachidae (Family) > Inachinae (Subfamily)

Achaeus
Achaeus cranchii Leach, 1817 - Cranch's spider crab

Inachus
Inachus phalangium (Fabricius, 1775)
- Leach's spider crab

Macropodia
Macropodia deflexa Forest, 1978 - A spider crab
Macropodia rostrata (Linnaeus, 1761)
- Long-legged spider crab

Macropodia tenuirostris (Leach, 1814)
- Slender spider crab

Brachyura (Infraorder) > Eubrachyura (Section) > Heterotremata (Subsection) > Majoidea (Superfamily) > Majidae (Family) > Majinae (Subfamily)

Eurynome
Eurynome aspera (Pennant, 1777) - Strawberry crab

Maja
Maja brachydactyla Balss, 1922
- Common or Prickly spider crab or Corwich crab

For Maja squinado see Maja brachydactyla above.

Hairy or Bristly crabs

Brachyura (Infraorder) > Eubrachyura (Section) > Heterotremata (Subsection) > Pilumnoidea (Superfamily) > Pilumnidae (Family)

Pilumnus
Pilumnus hirtellus (Linnaeus, 1761)
- Hairy or Bristly crab

Toothed crabs

Brachyura (Infraorder) > Eubrachyura (Section) > Heterotremata (Subsection) > Portunoidea (Superfamily) > Pirimelidae (Family)

Pirimela
Pirimela denticulata (Montagu, 1808) - Toothed crab

Swimming crabs

Brachyura (Infraorder) > Eubrachyura (Section) > Heterotremata (Subsection) > Portunoidea (Superfamily) > Polybiidae (Family)

Bathynectes
Bathynectes longipes (Risso, 1816)
- Red swimming crab

Liocarcinus
Liocarcinus depurator (Linnaeus, 1758) - Harbour crab
Liocarcinus holsatus (Fabricius, 1798) - Flying crab
Liocarcinus navigator (Herbst, 1794)
- Arch-fronted swimming crab (syn. L. arcuatus)

Liocarcinus vernalis (Risso, 1816) - Grey swimming crab

Macropipus
Macropipus tuberculatus (P. Roux, 1830 [in P. Roux, 1828-1830]) - Knobby swimming crab or swimcrab

Necora
Necora puber (Linnaeus, 1767) - Velvet swimming crab

Polybius
Polybius henslowii Leach, 1820 - Nipper swimming crab

Shore, Green or Carcinid crabs

Brachyura (Infraorder) > Eubrachyura (Section) > Heterotremata (Subsection) > Portunoidea (Superfamily) > Carcinidae (Family) > Carcininae (Subfamily)

Carcinus
Carcinus maenas (Linnaeus, 1758)
- Common shore crab, Shore crab or Green crab

Brachyura (Infraorder) > Eubrachyura (Section) > Heterotremata (Subsection) > Portunoidea (Superfamily) > Carcinidae (Family) > Platyonichinae (Subfamily)

Portumnus
Portumnus latipes (Pennant, 1777)
- Pennant's swimming crab

Xaiva
Xaiva biguttata (Risso, 1816) - A carcinid crab

Furrowed crabs

Brachyura (Infraorder) > Eubrachyura (Section) > Heterotremata (Subsection) > Xanthoidea (Superfamily) > Xanthidae (Family) > Xanthinae (Subfamily)

Xantho
Xantho hydrophilus (Herbst, 1790) - Montagu's crab
Xantho pilipes A. Milne-Edwards, 1867 - Risso's crab

Image showing the difference in rear leg hair between
Xantho hydrophilus and Xantho pipipes (click to view)

Pea and Columbus Crabs

Brachyura (Infraorder) > Eubrachyura (Section) > Thoracotremata (Subsection) > Grapsoidea (Superfamily) > Grapsidae (Family)

Planes
Planes minutus (Linnaeus, 1758)
- Columbus or Gulf-weed crab (non-native species)

Planes marinus Rathbun, 1914 ?
- Drifter crab (non-native species)

Brachyura (Infraorder) > Eubrachyura (Section) > Thoracotremata (Subsection) > Grapsoidea (Superfamily) > Varunidae (Family) > Varuninae (Subfamily)

Eriocheir
Eriocheir sinensis H. Milne Edwards, 1853
- Chinese Mitten Crab (invasive non-native species)

Hemigrapsus
Hemigrapsus sanguineus (De Haan, 1835)
- Asian shore crab (non-native species)

Hemigrapsus takanoi Asakura & Watanabe, 2005
- Brush-clawed crab (non-native species)

Brachyura (Infraorder) > Eubrachyura (Section) > Thoracotremata (Subsection) > Pinnotheroidea (Superfamily) > Pinnotheridae (Family) > Pinnotherinae (Subfamily)

Pinnotheres
Pinnotheres pisum (Linnaeus, 1767) - Pea crab

Other crabs

Brachyura (Infraorder) > Podotremata (Section) > Dromioidea (Superfamily) > Dromiidae (Family)

Dromia
Dromia sp. possibly Dromia personata (Linnaeus, 1758)
- Sponge crab

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Crabs - Parasites and diseases of commercial species

Crabs brachyura crustacean images UK