Haliphron

Genusaccepted · checked 2026-08-05WoRMS 137643ITIS 205737key worms:137643

2026-08-05: itis_id 205737 via WoRMS external link

The seven-arm octopus, also known as the blob octopus or sometimes called septopus, is one of the two largest known species of octopus; the largest specimen ever discovered had an estimated total length of 3.5 m (11 ft) and mass of 75 kg (165 lb).W CalCOFI holds 1 observations of it in 1 dataset between 2010 and 2010.R

1
observations: 1
records: 2010
years: 1
datasets

Photo · anonymous, no known copyright restrictions (public domain) · Public domain · inat

Observed in nothing keyed to it directly

Every observation under it belongs to one of the taxa under it — 1 taxon, in the fold below.

Ways inExplorer db-query R Python This 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:137643")

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 1 taxon

sp Haliphron atlanticus Seven-arm octopus1

Lineage 10 ranks · Biota to Alloposidae

Credits silhouette · photo · text

Silhouette · T. Michael Keesey · Public Domain Mark · PhyloPic, drawn from Haliphron atlanticus · source
Photo · anonymous, no known copyright restrictions (public domain) · Public domain · inat · source
Text · Wikipedia, “Seven-arm octopus” · CC BY-SA 4.0 · revision 1372281918

Elsewhere Wikidata · iNaturalist · GBIF

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 ↗