Hyas lyratus Dana, 1851
Common name(s): Lyre crab, Pacific lyre crab
|Synonyms: Sayas lyratus|
|Hyas lyratus from 90 m depth, San Juan Channel|
|(Photo by: Dave Cowles July 1999)|
How to Distinguish from Similar Species: The only other local majid crab with a lyre-shaped carapace is Oregonia bifurca, which has a longer rostrum and lives belor 500 m depth.
Geographical Range: Chukchi and Bering Seas south to Puget Sound.
Depth Range: 9 to 640 meters
Habitat: Mixed bottom, especially shelly hash
Biology/Natural History: Carapace is often overgrown with barnacles and other attached species, such as the small tunicate on the base of the rostrum of the species above.
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Wicksten, Mary K., 1976. Studies on the hooked setae of Hyas lyratus (Brachyura: Majidae). Syesis 9: pp 367-368
We capture this crab mainly during deep benthic trawls in the San Juan channel
This individual, carapace length 4.8 cm, was captured in the San Juan Channel July 2005 at 100-150 m depth. Photo by Dave Cowles, July 2005
The undersde of a female. Photo by Dave Cowles, July 2008