Species · accepted · checked 2026-08-05

Icichthys lockingtoni

Medusafish

WoRMS 279354ITIS 172510GBIF 2398046key worms:279354

2026-08-05: itis_id 172510 via WoRMS external link

Silhouette · Nathan Hermann · CC0 1.0 · PhyloPic, drawn from Pomatomus saltatrix

Medusafish46 cm

bongo net ring71 cm

max · worms_attribute

Photograph of Icichthys lockingtoni — Photo · Wikimedia Commons, no known copyright restrictions (public domain) · Public domain · inat

Icichthys lockingtoni, commonly known as the medusafish, is a species of centrolophid ray-finned fish native to the northern Pacific Ocean, where it ranges from Japan and the Gulf of Alaska to central Baja California in Mexico.W CalCOFI holds 2,459 observations of it in 2 datasets between 1951 and 2023, as larva.R

2,459
observations: 2,459
records: 2,459
sampling events: 1951–2023
years: 2
datasets: larva
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 2,458 obs · 2,458 events · 1951–2023 · larva
name used: Icichthys lockingtoni Medusafish · code 536
Mesopelagic Fish 1 obs · 1 events · 2012
name used: Icichthys lockingtoni · code Icichthys lockingtoni

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/.

Explorer db-query

ERDDAPCalCOFI's own server, the Ichthyoplankton table constrained to this taxon

https://erddap.calcofi.io/erddap/tabledap/swfsc_ichthyo.html?&taxon_key=%22worms:279354%22

Icichthys lockingtoni

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

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/.