Hansarsia
Hansarsia is a genus of krill, formerly known by the name Nematoscelis (e.g.), a junior homonym.W CalCOFI holds 21,916 observations of it in 1 dataset between 1951 and 2019, across 5 taxa under it.R
- 21,916
- observations
- 21,916
- records
- 1951–2019
- years
- 1
- datasets
- 5
- species under it
Observed in nothing keyed to it directly
Every observation under it belongs to one of the taxa under it — 5 taxa · Hansarsia difficilis most observed, in the fold below.
Ways inExplorerdb-queryRPythonThis page as JSON
Code and endpoints R · Python · JSON
library(calcofi4r) con <- cc_get_db() # the promoted release tbl(con, "obs_bio") |> filter(taxon_key == "worms:1649781")
import calcofi4py as cc
con = cc.cc_get_db()
con.sql("SELECT * FROM obs_bio WHERE taxon_key = 'worms:1649781'").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 not on record
Not on record: no authority the fetcher reads carries a length for this taxon (a genus page could show the range of its species).
Under it 5 taxa · Hansarsia difficilis most observed
- sp Hansarsia difficilis20,972
- sp Hansarsia tenella636
- sp Hansarsia atlantica289
- sp Hansarsia gracilis16
- sp Hansarsia microps3
Lineage 10 ranks · Biota to Euphausiidae
Credits silhouette · photo · text
- Silhouette · Steven Haddock · Public Domain Mark · PhyloPic, drawn from Euphausia pacifica · source
- Photo · Lisa Bennett · CC BY 4.0 · inat · source
- Text · Wikipedia, “Hansarsia” · CC BY-SA 4.0 · revision 1303340845
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 ↗