Overview

Comprehensive Description

Biology/Natural History: Live on rocky or sandy/shelly bottoms. Juveniles hide in rock crevices or under algae during the day. Eat polychaetes. The left and right second pereopods are different from one another. The carpus of the left pereopod is divided into about 60 articles, while the right has 18-21. Predators include lingcod and pelagic cormorants. The species are protandrous hermaphrodites (male first, then female). After the female molts in November they mate. The female carries her eggs on the abdomen until April, when they hatch into pelagic larvae. The species can live for up to 3 years.
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Source: Invertebrates of the Salish Sea

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This moderately large shrimp has the multiarticulated carpus on its second pereopod and the long rostrum characteristic of Pandalids. Its first antenna is only about as long as its carapace. Abdominal segment 3 does not have a median dorsal ridge nor a spine ahead of the posterior edge (photos). The median dorsal spines on the carapace extend to posterior to the middle of the carapace (see photo above). The prominent upcurved rostrum is not as long as in some other pandalid species--less than 1.5x the length of the carapace. The dorsal rostrum spines are movable. The spine on the antennal scale is longer than the lamella (photo). The telson has 6 pairs of small lateral spines (photo). The animal is usually light translucent orange-red or brownish-red with small red and white spots on the sides of the carapace and narrow red longitudinal stripes on the abdomen (but no large white spots as in P. platyceros). Sometimes has electric blue stripes as well (and notice the blue abdominal spots on the individual above--photo). Length to about 14 cm. The rostrum ends in 3 points (trifid). The second abdominal segment has a transverse dorsal groove (photo).
  • Wicksten,Mary K., 2009. ; Decapod Crustacea of the Californian and OregonianZoogeographic Provinces. ; UC San Diego Scripps Institution of OceanographyLibrary, Scripps Institution of Oceanography. ; http://escholarship.org/uc/item/7sk92dz ;418 pages. ; Published online only. ; This excellent key coversdecapods (crustaceans such as crabs, shrimp, spiny lobsters, hermit crabs,and crayfish) from shallow and deep water from Puget Sound south to thePacific coast of Baja California. ; Includes many subkeys, drawings,and photos. ; No glossary, table of contents, or index. ; Thisis the place to go for the most up-to-date key for decapods. ; MaryWicksten plans to publish an updated version of this key soon.   http://www.wallawalla.edu/academics/departments/biology/rosario/inverts/Annotated_Bibliography.html#Wicksten+2009 External link.
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Distribution

National Distribution

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

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Geographical Range: Alaska to Monterey, CA

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Physical Description

Look Alikes

How to Distinguish from Similar Species: Pandalus stenolepis has 3-5 pairs of small lateral spines on the telson and the outer margin of its antennal scale is concave.
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Ecology

Habitat

Depth range based on 608 specimens in 1 taxon.
Water temperature and chemistry ranges based on 142 samples.

Environmental ranges
  Depth range (m): 0 - 220
  Temperature range (°C): 7.150 - 10.151
  Nitrate (umol/L): 6.725 - 27.466
  Salinity (PPS): 31.893 - 33.609
  Oxygen (ml/l): 3.282 - 6.561
  Phosphate (umol/l): 0.943 - 2.261
  Silicate (umol/l): 15.658 - 43.852

Graphical representation

Depth range (m): 0 - 220

Temperature range (°C): 7.150 - 10.151

Nitrate (umol/L): 6.725 - 27.466

Salinity (PPS): 31.893 - 33.609

Oxygen (ml/l): 3.282 - 6.561

Phosphate (umol/l): 0.943 - 2.261

Silicate (umol/l): 15.658 - 43.852
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Depth Range: Adults are just subtidal to 185 m. Juveniles live shallower and may even be low intertidal.

Habitat: Rocky and sandy benthic or often found on docks.

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Pandalus danae

The following is a representative barcode sequence, the centroid of all available sequences for this species.


There are 4 barcode sequences available from BOLD and GenBank.  Below is a sequence of the barcode region Cytochrome oxidase subunit 1 (COI or COX1) from a member of the species.  See the BOLD taxonomy browser for more complete information about this specimen and other sequences.

NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNGGATAGTAGGAACTTCTTTGAGACTTTTAATTCGGGCTGAACTCGGTCAACCCGGAAGATTGGTTGGAAACGATCAAATTTACAACGTTGTTGTCACAGCTCACGCTTTTGTTATAATTTTCTTCATAGTAATGCCAATTATAATTGGAGGCTTTGGAAATTGATTAGTACCGCTGATATTAGGAGCCCCAGACATGGCTTTTCCCCGAATAAACAATATAAGATTTTGACTTCTACCCCCATCTTTAACACTTCTTCTCTCCAGTGGAATGGTAGAAAGTGGAGTCGGCACTGGATGAACAGTATACCCCCCTTTATCAGCAGGGATCGCCCATGCCGGAGCTTCAGTTGACCTTGGAATTTTTTCTCTTCACCTAGCTGGTGTTTCTTCCATTTTAGGGGCTGTTAATTTCATAACTACTGTAATTAATATACGAAGAAGAGGAATATCTATAGATCGAATACCTTTATTTGTTTGATCAGTTTTTTTAACTGCTCTTTTATTACTTCTCTCCTTACCAGTTCTTGCTGGAGCAATTACAATATTACTAACAGACCGAAACTTAAATACTTCTTTCTTTGACCCAGCCGGGGGTGGAGACCCTATTTTATACCAACACTTATTC
-- end --

Download FASTA File
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Source: Barcode of Life Data Systems (BOLD)

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Statistics of barcoding coverage: Pandalus danae

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 9
Specimens with Barcodes: 11
Species With Barcodes: 1
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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: GNR - Not Yet Ranked

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