Metacarcinus magister
Dungeness crab
The Dungeness crab is a species of crab in the family Cancridae. It makes up one of the most important seafood industries along the west coast of North America.W CalCOFI holds 15 observations of it in 1 dataset between 1984 and 2014, as megalopa.R
- 15
- observations
- 526
- records
- 526
- sampling events
- 1984–2014
- years
- 1
- datasets
- megalopa
- life stages
- 22.5 cm
- max length
Observed in 1 dataseti
One row per dataset, and beside it one cell per year, darker with more observations — the same
strip the front door draws per dataset. Each row ends with the name that dataset uses
(dataset_taxon); the accepted name is written once, in the title above. A quiet
pill marks a name the authority does not accept.
i
One row per dataset, and beside it one cell per year, darker with more observations — the same strip the front door draws per dataset. Each row ends with the name that dataset uses (dataset_taxon); the accepted name is written once, in the title above. A quiet pill marks a name the authority does not accept.
-
name used: Metacarcinus magister · code
metacarcinus_magister
Ways inExplorerdb-queryERDDAPRPythonThis page as JSON
Code and endpoints ERDDAP · R · Python · JSON
library(calcofi4r) con <- cc_get_db() # the promoted release tbl(con, "obs_bio") |> filter(taxon_key == "worms:440388")
import calcofi4py as cc
con = cc.cc_get_db()
con.sql("SELECT * FROM obs_bio WHERE taxon_key = 'worms:440388'").df()Read from taxa.json of release v2026.10.21, written at release by calcofi4db::build_taxa_catalog(). The catalog's index is /species/.
How big is it 22.5 cm max
Every mark is a measured length with its own source — hover one to read it. The reference objects are _data/size_reference.csv: two of them, the 505 µm bongo mesh and the net's ring, are CalCOFI's own sampling gear.
Life stages megalopa
- Dungeness Crab Megalopae megalopa
The stages each dataset records for it, from the release's obs_bio.life_stage. Their lengths are under How big is it.
Lineage 17 ranks · Biota to Metacarcinus
Credits silhouette · photo · text · length
- Silhouette · Harold Eyster · CC BY 3.0 · PhyloPic, drawn from Metacarcinus magister · source
- Photo · Dan Boone · Public domain · commons · source
- Text · Wikipedia, “Dungeness crab” · CC BY-SA 4.0 · revision 1374002597
- Length · sealifebase
Elsewhere Wikidata · iNaturalist · GBIF
The same organism on the services the faces were fetched from; the authorities' own pages are the ids in the head.
Cite the release, v2026.10.21
Cite the release, v2026.10.21; each dataset's own citation, licence and DOI are on its page. How to cite ↗