Article · Wikipedia archive · Last revised Aug 6, 2026

Polybius holsatus

Polybius holsatus, sometimes known by the common name flying crab, is a species of swimming crab found chiefly in the North Sea, Irish Sea and English Channel. It has a carapace up to 4 centimetres (1.6 in) wide, which is brownish-grey with a green tinge. It is very similar in appearance to the harbour crab Polybius depurator.

Last revised
Aug 6, 2026
Read time
≈ 1 min
Length
227 w
Citations
7
Source
Polybius holsatus
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Arthropoda
Clade: Pancrustacea
Class: Malacostraca
Order: Decapoda
Suborder: Pleocyemata
Infraorder: Brachyura
Family: Polybiidae
Genus: Polybius
Species:
P. holsatus
Binomial name
Polybius holsatus
(Fabricius, 1798) 1
Synonyms
  • Polybius holsatus (Fabricius, 1798)
  • Macropipus holsatus (Fabricius, 1798)

Polybius holsatus, sometimes known by the common name flying crab, is a species of swimming crab found chiefly in the North Sea, Irish Sea and English Channel.23 It has a carapace up to 4 centimetres (1.6 in) wide, which is brownish-grey with a green tinge.4 It is very similar in appearance to the harbour crab Polybius depurator.4

The diet of P. holsatus comprises crustaceans, especially juvenile Crangon, molluscs such as Macoma balthica, and fish.5 P. holsatus sometimes hosts the parasitic barnacle Sacculina.4

References

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