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Hansarsia atlantica

Speciesaccepted · checked 2026-08-05WoRMS 1649783key worms:1649783

CalCOFI holds 289 observations of it in 1 dataset between 1951 and 2017, as adult, furcilia, juvenile, calyptopis.R

289
observations
289
records
207
sampling events
1951–2017
years
1
datasets
adult · furcilia · juvenile · calyptopis
life stages
1.2 cm
max length
Zoology Accessions Register: Crustacea: 1935 - 1962: page 191
Photo · The Trustees of the Natural History Museum, London · CC BY 4.0 · gbif

Observed in 1 dataset
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.

  • 289 obs207 events1951–2017adult · furcilia · juvenile · calyptopis
    name used: Nematoscelis atlantica · code 14 synonym

Ways inExplorerdb-queryERDDAPRPythonThis page as JSON

Code and endpoints ERDDAP · R · Python · JSON
ERDDAPCalCOFI's own server, the Euphausiids (Krill) table constrained to this taxon
https://erddap.calcofi.io/erddap/tabledap/cce-lter_euphausiids.html?&taxon_key=%22worms:1649783%22

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 1.2 cm max
Hansarsia atlantica1.2 cm
US quarter2.4 cm

max · sealifebase

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 adult · furcilia · juvenile · calyptopis
  • Euphausiids (Krill) adult · furcilia · juvenile · calyptopis

The stages each dataset records for it, from the release's obs_bio.life_stage. Their lengths are under How big is it.

Lineage 11 ranks · Biota to Hansarsia
Credits silhouette · photo · length
  • Silhouette · Steven Haddock · Public Domain Mark · PhyloPic, drawn from Euphausia pacifica · source
  • Photo · The Trustees of the Natural History Museum, London · CC BY 4.0 · gbif · source
  • Length · sealifebase
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 ↗