Thysanoessa
i
2026-08-05: itis_id 95571 via WoRMS external link
Thysanoessa is a genus of the krill that play critical roles in the marine food web. They're abundant in Arctic and Antarctic areas, feeding on zooplankton and detritus to obtain energy.W CalCOFI holds 15,902 observations of it in 1 dataset between 1951 and 2019, across 3 taxa under it.R
- 15,902
- observations
- 15,902
- records
- 1951–2019
- years
- 1
- datasets
- 3
- species under it
Observed in nothing keyed to it directly
Every observation under it belongs to one of the taxa under it — 3 taxa · Thysanoessa gregaria 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:110679")
import calcofi4py as cc
con = cc.cc_get_db()
con.sql("SELECT * FROM obs_bio WHERE taxon_key = 'worms:110679'").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 3 taxa · Thysanoessa gregaria most observed
- sp Thysanoessa gregaria12,299
- sp Thysanoessa spinifera3,584
- sp Thysanoessa longipes19
Lineage 10 ranks · Biota to Euphausiidae
Credits silhouette · photo · text
- Silhouette · Gabriela Palomo-Munoz · CC BY 4.0 · PhyloPic, drawn from Thysanoessa raschii · source
- Photo · Dr. Russell R. Hopcroft, Institute of Marine Science, University of Alaska Fairbanks. · CC BY-SA 3.0 · commons · source
- Text · Wikipedia, “Thysanoessa” · CC BY-SA 4.0 · revision 1313842853
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 ↗