Romaleon branneri

Furrowed rock crab:

Furrowed rock crab (Romaleon branneri): Romaleon branneri is not uncommon but easily overlooked in the low intertidal and shallow subtidal. It is the only cancrid crab found in Alaska that has a fuzzy carapace. In southern British Columbia the furrowed rock crab overlaps the range of Romaleon antennarius (Stimpson, 1857). Juveniles of that species have a hairy carapace and could be confused with R. branneri. Look at the upper margin of the claws, in R. branneri this is sharply toothed, while in R. antennarius this ridge is rounded. Romaleon branneri is often found in areas with deep rock piles. Carefully moving these rocks reveals this and many other fascinating, rarely seen species.

Local Notes

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References

Weblinks

• WoRMS Page for Romaleon branneri
• Search Arctos Database for Romaleon branneri (Southeast only)
• Search Arctos Database for Romaleon branneri (entire database)
• Encyclopedia of Life search for Romaleon branneri
• iNaturalist Observations for Romaleon branneri in Southeast Alaska

Other References

• Hart 1980
• Kozloff 1996

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  Furrowed rock crab (Romaleon branneri)

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