CalCOFI.io CalCOFI.io open data ecosystem

Balaenoptera

finback whales

Genusaccepted · checked 2026-08-05WoRMS 137013ITIS 180523key worms:137013
i

2026-08-05: itis_id 180523 via WoRMS external link

Balaenoptera is a genus of rorquals containing eight extant species. Balaenoptera comprises all but two of the extant species in its family ; the genus is currently polyphyletic, with the two aforementioned species being phylogenetically nested within it.W CalCOFI holds 324 observations of it in 1 dataset between 1987 and 2020, across 4 taxa under it.R

324
observations
324
records
1987–2020
years
1
datasets
4
species under it
Photograph of Balaenoptera
Photo · Zejulio · CC BY-SA 4.0 · inat

Observed in nothing keyed to it directly

Every observation under it belongs to one of the taxa under it — 4 taxa · Balaenoptera musculus most observed, in the fold below.

Ways inExplorerdb-queryRPythonThis page as JSON

Code and endpoints R · Python · JSON
R
library(calcofi4r)
con <- cc_get_db()                      # the promoted release
tbl(con, "obs_bio") |> filter(taxon_key == "worms:137013")

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 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 4 taxa · Balaenoptera musculus most observed
Lineage 13 ranks · Biota to Balaenopteridae
Credits silhouette · photo · text
Elsewhere Wikidata · iNaturalist · GBIF

WikidataiNaturalistGBIF

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 ↗