CalCOFI CalCOFI CalCOFI.io open data ecosystem

Phyllosoma (Lobster Larvae)

CalCOFI Lobster Phyllosoma

calcofi_phyllosomaCalCOFICustom terms stated by the providerdoi:10.6073/pasta/9e38121ebb26f1b59b7b39b2eff844fav2026.09.05ingested

years
1951–2009
observations
1,859
sampling events
1,859
stations
35
taxa
1
depth
0–239.2 m
observations per year, 1951–2009
st50-ln76.7 · 79 obsst55-ln76.7 · 50 obsst60-ln76.7 · 39 obsst45-ln80 · 4 obsst50-ln80 · 64 obsst55-ln80 · 53 obsst35-ln83.3 · 1 obsst60-ln80 · 51 obsst40-ln83.3 · 100 obsst45-ln83.3 · 77 obsst50-ln83.3 · 38 obsst55-ln83.3 · 54 obsst35-ln86.7 · 105 obsst60-ln83.3 · 55 obsst40-ln86.7 · 45 obsst45-ln86.7 · 49 obsst25-ln90 · 2 obsst50-ln86.7 · 48 obsst30-ln90 · 127 obsst55-ln86.7 · 46 obsst35-ln90 · 80 obsst60-ln86.7 · 48 obsst40-ln90 · 3 obsst45-ln90 · 50 obsst25-ln93.3 · 55 obsst50-ln90 · 9 obsst30-ln93.3 · 94 obsst55-ln90 · 51 obsst35-ln93.3 · 49 obsst60-ln90 · 54 obsst40-ln93.3 · 51 obsst45-ln93.3 · 47 obsst50-ln93.3 · 51 obsst55-ln93.3 · 43 obsst60-ln93.3 · 45 obs125°W120°W30°N35°N
35 CalCOFI stations sampled, sized by observations, over the survey grid.

Overview

Spiny lobster (Panulirus interruptus) phyllosoma larvae counts by developmental stage from CalCOFI net tows, 1951-2008. Source: EDI knb-lter-cce.188.4 (Koslow).

Principal investigators
J. Anthony Koslow
Keywords
EARTH SCIENCE > BIOSPHERE > ECOSYSTEMS > AQUATIC ECOSYSTEMS > PLANKTON > ZOOPLANKTONEARTH SCIENCE > BIOLOGICAL CLASSIFICATION > ANIMALS/INVERTEBRATES > ARTHROPODS > CRUSTACEANS > DECAPODS

Coverage

1 variable

abundance

Life stages

phyllosoma

Access

Every endpoint this dataset can be reached through, grouped by how you would use it. Every URL is in the release record and answered when the release was cut.

Explore

Apps that read this dataset from the release. A row marked “this dataset” opens with it already selected.

CalCOFI Explorerthis datasetAcross datasets

https://calcofi.io/explore/?datasets=calcofi_phyllosoma

Station Explorerthis datasetAcross datasets

https://app.calcofi.io/station/?dataset=calcofi_phyllosoma

Hexagon Explorerthis datasetAcross datasets

https://app.calcofi.io/hex/?datasets=calcofi_phyllosoma

Cruise Explorerthis datasetAcross datasets

https://app.calcofi.io/cruise/?datasets=calcofi_phyllosoma

Query

SQL against the release itself, in the browser — nothing to install and nothing downloaded until a query asks for it. __TBL:obs__ resolves to the pinned release’s parquet.

db-query — the SQL shell, prefilledDuckDB-WASM over the released parquet, in your browser
-- calcofi_phyllosoma in the CalCOFI release v2026.09.05
SELECT *
FROM __TBL:obs__
WHERE dataset_key = 'calcofi_phyllosoma'
LIMIT 100;

https://calcofi.io/db-query/?sql=--+calcofi_phyllosoma+in+the+CalCOFI+release+v2026.09.05%0ASELECT+%2A%0AFROM+__TBL%3Aobs__%0AWHERE+dataset_key+%3D+%27calcofi_phyllosoma%27%0ALIMIT+100%3B#sql-shell--shell

Code

The same release, from a script.

con <- calcofi4r::cc_get_db()
calcofi4r::cc_cite("calcofi_phyllosoma")
con = calcofi4py.cc_get_db()
calcofi4py.cite("calcofi_phyllosoma")
DuckDB, anywhereno CalCOFI package needed — the object is a plain parquet file
SELECT * FROM read_parquet('https://storage.googleapis.com/calcofi-db/ducklake-staging/tables/obs/dataset_key=calcofi_phyllosoma/286a2994473f95991f4531a3/data_0.parquet') LIMIT 100;

Get the data

Every way to have the bytes, by source. Nothing here asks you to register first.

Files from the release (Parquet)

The frozen objects this release is made of. A partition holds only this dataset’s rows; a shared table holds every dataset’s, so filter on dataset_key.

obsthis dataset’s rows · 25.3 KB · since v2026.09.04sha256 08708d605378…

https://storage.googleapis.com/calcofi-db/ducklake-staging/tables/obs/dataset_key=calcofi_phyllosoma/286a2994473f95991f4531a3/data_0.parquet

CF netCDF

One self-describing file, for a tool that reads netCDF.

CF netCDF787 KBsha256 84afe748e0ed…
how far this file is CF

Fully CF: each row is an independent observation with its own time and position, which is a CF point collection. Rows are at the OCCURRENCE grain (event x taxon x life stage x depth), not the event grain, so a sample with many taxa contributes many points.

https://storage.calcofi.io/calcofi-files-public/netcdf/calcofi_phyllosoma/v2026.09.04/calcofi_phyllosoma.nc

ERDDAP (erddap.calcofi.io)

One ERDDAP dataset per grain, each with its own data formats and its own pages. Subset in the browser or query it from a script.

ERDDAP dataset grain data & pagescalcofi_phyllosoma_attribute length/stage frequency CSVnetCDFJSON pageinfograph calcofi_phyllosoma observations CSVnetCDFJSON pageinfograph calcofi_phyllosoma_sample sampling events CSVnetCDFJSON pageinfograph
length/stage frequency
one row per size or stage class of a specimen
observations
one row per measurement, joined to the event it was taken on
sampling events
one row per cast, tow or transect — when, where and how it was sampled

Metadata records

Records about the data, in the standards each portal harvests.

ISO 19115-3XML, from the ERDDAP WAF

https://erddap.calcofi.io/erddap/metadata/iso19115/xml/calcofi_phyllosoma_iso19115.xml

https://erddap.calcofi.io/erddap/metadata/fgdc/xml/calcofi_phyllosoma_fgdc.xml

JSON-LD (schema.org/Dataset)what this page publishes to Google Dataset Search

https://calcofi.io/datasets/calcofi_phyllosoma.jsonld

the record, verbatimthe release’s own entry for this dataset — everything on this page comes from it

https://calcofi.io/datasets/calcofi_phyllosoma.json

DCAT-US 1.1the whole catalog, for data.gov and any CKAN

https://calcofi.io/data.json

STAC collectionone Collection per dataset, an Item per release

https://calcofi.io/stac/#/collections/calcofi_phyllosoma/collection.json

Archives & portals

Where this dataset is registered outside calcofi.io, by the identifier each portal knows it as.

ERDDAP (calcofi.io)calcofi_phyllosomapublished

https://erddap.calcofi.io/erddap/info/calcofi_phyllosoma/index.html

OBISn/a
EDIplanned
NCEIn/a
CalOOSplanned
Zenodo10.5281/zenodo.22281994publishedas part of the integrated database release

https://doi.org/10.5281/zenodo.22281994

EDIknb-lter-cce.188.4externalsource

https://portal.edirepository.org/nis/mapbrowse?packageid=knb-lter-cce.188.4

Everything here is open — nothing on calcofi.io asks you to register first. If this dataset ends up in something you build or publish, register your use so it can be credited and linked back; to hear when a release changes it, stay informed. Questions: data@calcofi.io.

Cite

CalCOFI - Scripps Institution of Oceanography and T. Koslow. 2017. Data pertaining to lobster phyllosoma, Panulirus interruptus, collection methods, locations, identification and staging (1951-2008, months of July and August) ver 4. Environmental Data Initiative. https://doi.org/10.6073/pasta/9e38121ebb26f1b59b7b39b2eff844fa
License: custom (https://portal.edirepository.org/nis/metadataviewer?packageid=knb-lter-cce.188.4)
DOI: https://doi.org/10.6073/pasta/9e38121ebb26f1b59b7b39b2eff844fa
BibTeX
@misc{calcofi_phyllosoma,
  title        = {CalCOFI Lobster Phyllosoma},
  howpublished = {CalCOFI - Scripps Institution of Oceanography and T. Koslow. 2017. Data pertaining to lobster phyllosoma, Panulirus interruptus, collection methods, locations, identification and staging (1951-2008, months of July and August) ver 4. Environmental Data Initiative. https://doi.org/10.6073/pasta/9e38121ebb26f1b59b7b39b2eff844fa},
  year         = {2017},
  doi          = {10.6073/pasta/9e38121ebb26f1b59b7b39b2eff844fa},
  url          = {https://doi.org/10.6073/pasta/9e38121ebb26f1b59b7b39b2eff844fa},
  note         = {License: custom (https://portal.edirepository.org/nis/metadataviewer?packageid=knb-lter-cce.188.4)}
}

…and the release it came from

CalCOFI (2026). CalCOFI Integrated Database, release v2026.09.05 [Data set]. Scripps Institution of Oceanography, NOAA Fisheries, and California Department of Fish and Wildlife. https://calcofi.io/db-schema/?v=v2026.09.05
BibTeX
@misc{calcofi_release_v2026_09_05,
  title     = {CalCOFI Integrated Database, release v2026.09.05},
  author    = {CalCOFI},
  year      = {2026},
  publisher = {Scripps Institution of Oceanography, NOAA Fisheries, and California Department of Fish and Wildlife},
  url       = {https://calcofi.io/db-schema/?v=v2026.09.05}
}