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Species · accepted · checked 2026-08-05

Tremoctopus violaceus

Commom blanket octopus

WoRMS 141694ITIS 82668GBIF 2289798key worms:141694
i

2026-08-05: itis_id 82668 via WoRMS external link

Silhouette · T. Michael Keesey · Public Domain Mark · PhyloPic, drawn from Tremoctopus
Commom blanket octopus10 cm
US quarter2.4 cm

max · worms_attribute

Photograph of Tremoctopus violaceus
Photo · Comingio Merculiano in Jatta Giuseppe, no known copyright restrictions (public domain) · Public domain · inat

The common blanket octopus or violet blanket octopus is a large octopus of the family Tremoctopodidae found worldwide in the epipelagic zone of warm seas. The degree of sexual dimorphism in this species is very high, with females growing up to two meters in length, whereas males grow to about 2.4 cm.W CalCOFI holds 10 observations of it in 1 dataset between 2002 and 2021, as invert.R

10
observations
10
records
10
sampling events
2002–2021
years
1
datasets
invert
life stages

Observed in
i

One row per dataset, 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.

  • Ichthyoplankton 10 obs · 10 events · 2002–2021 · invert
    name used: Tremoctopus violaceus Commom blanket octopus · code 9802

How big is it
i

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.

Ways in
i

Read from taxa.json of release v2026.09.11, written at release by calcofi4db::build_taxa_catalog(). The catalog's index is /species/.

Explorerdb-query
ERDDAPCalCOFI's own server, the Ichthyoplankton table constrained to this taxon
https://erddap.calcofi.io/erddap/tabledap/swfsc_ichthyo.html?&taxon_key=%22worms:141694%22