Balaenoptera borealis
Sei Whale
i
2026-08-05: itis_id 180526 via WoRMS external link
The sei whale is a baleen whale. It is one of ten rorqual species, and the third-largest member after the blue and fin whales.W CalCOFI holds 8 observations of it in 1 dataset between 1990 and 2012.R
- 8
- observations
- 8
- records
- 8
- sampling events
- 1990–2012
- years
- 1
- datasets
- 18 m
- 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: Balaenoptera borealis Sei Whale · code
SEWH
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:137088")
import calcofi4py as cc
con = cc.cc_get_db()
con.sql("SELECT * FROM obs_bio WHERE taxon_key = 'worms:137088'").df()Read from taxa.json of release v2026.10.20, written at release by calcofi4db::build_taxa_catalog(). The catalog's index is /species/.
How big is it 18 m 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.
Lineage 14 ranks · Biota to Balaenoptera
Credits silhouette · photo · text · length
- Silhouette · T. Michael Keesey · CC BY-SA 3.0 · PhyloPic, drawn from Balaenoptera borealis · source
- Photo · NOAA, Right Wale Aerial Survey · Public domain · commons · source
- Text · Wikipedia, “Sei whale” · CC BY-SA 4.0 · revision 1373879376
- 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, v2026.10.20
Cite the release, v2026.10.20; each dataset's own citation, licence and DOI are on its page. How to cite ↗