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Species · accepted · checked 2026-08-05

Lissodelphis borealis

Northern Right Whale Dolphin

WoRMS 254975ITIS 180454key worms:254975
i

2026-08-05: itis_id 180454 via WoRMS external link

Silhouette · T. Michael Keesey · CC BY-SA 3.0 · PhyloPic, drawn from Lissodelphis borealis
Northern Right Whale Dolphin3.1 m
a person1.7 m

max · sealifebase

Photograph of Lissodelphis borealis
Photo · guyincognito · CC BY-NC 4.0 · inat NC

The northern right whale dolphin is a small, slender species of cetacean found in the cold and temperate waters of the North Pacific Ocean. Lacking a dorsal fin, and appearing superficially porpoise-like, it is one of the two species of right whale dolphin.W CalCOFI holds 47 observations of it in 1 dataset between 1988 and 2017.R

47
observations
47
records
47
sampling events
1988–2017
years
1
datasets

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.

  • Seabirds & Marine Mammals 47 obs · 47 events · 1988–2017
    name used: Lissodelphis borealis Northern Right Whale Dolphin · code NRWD

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.

Groups

calcofi:marine_mammals

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 Seabirds & Marine Mammals table constrained to this taxon
https://erddap.calcofi.io/erddap/tabledap/farallon_bird-mammal.html?&taxon_key=%22worms:254975%22