Malacostraca | Decapoda
Holthuis, L.B. 1991. (Ref. 4)
Size / Weight / Age
Max length : 15.0 cm TL male/unsexed; (Ref. 4); 10.5 cm TL (female)
Benthic; depth range 1 - ? m (Ref. 4)
Climate / Range
Temperate, preferred 9°C (Ref. 107945); 62°N - 34°N, 148°W - 120°W (Ref. 4)
Eastern Pacific: Alaska to USA.
Rostrum ending in three teeth, the median tooth broad and triangular, the lateral teeth much shorter. A groove between the median and lateral teeth, also a very shallow median longitudinal groove. Lower surface of rostrum without spines. Anterolateral border of carapace with a very small tooth at the level of the eye. First pereiopods subchelate. Dactylus of adult male on inner surface with a longitudinal row of 6-12 tubercles, that are placed close together. Carpus with some anterior spines. Merus with a subdistal anterodorsal spine (Ref. 4).
It has lengths of 11 cm, total body length (Ref. 259); 15 cm (males) and 10.5 cm (females), total length (Refs. 4, 258). It burrows in muddy sand of the intertidal zone, sometimes under rocks; burrows are Y-shaped, and about 0.6 to 1 m deep (Ref. 4). Found in bays and estuaries (Ref. 112892). Members of the order Decapoda are mostly gonochoric. Mating behavior: Precopulatory courtship ritual is common (through olfactory and tactile cues); usually indirect sperm transfer (Ref. 833). Also Refs. 83321, 111904, 112751 (Ref. 56049).
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
Fisheries: commercial; bait: occasionally
FAO(fisheries: production) | FisheriesWiki | Sea Around Us
Estimation of some characteristics with mathematical models