CalCOFI.io CalCOFI.io open data ecosystem
Species · accepted · checked 2026-08-05

Thysanoessa gregaria

WoRMS 110707ITIS 95572key worms:110707
i

2026-08-05: itis_id 95572 via WoRMS external link

Silhouette · Gabriela Palomo-Munoz · CC BY 4.0 · PhyloPic, drawn from Thysanoessa raschii
Thysanoessa gregaria1.6 cm
US quarter2.4 cm

max · worms_attribute

CalCOFI holds 12,299 observations of it in 1 dataset between 1951 and 2019, as juvenile, adult, furcilia and 12 more stages.R

12,299
observations
12,299
records
5,579
sampling events
1951–2019
years
1
datasets
juvenile · adult · furcilia · furcilia F3 · calyptopis · damaged · furcilia F4 · furcilia F6 · furcilia F2 · furcilia F1 · furcilia F5 · calyptopis C3 · calyptopis C2 · larvae · calyptopis C1
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.

  • Euphausiids (Krill) 12,299 obs · 5,579 events · 1951–2019 · juvenile · adult · furcilia · furcilia F3 · calyptopis · damaged · furcilia F4 · furcilia F6 · furcilia F2 · furcilia F1 · furcilia F5 · calyptopis C3 · calyptopis C2 · larvae · calyptopis C1
    name used: Thysanoessa gregaria · code 28

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 Euphausiids (Krill) table constrained to this taxon
https://erddap.calcofi.io/erddap/tabledap/cce-lter_euphausiids.html?&taxon_key=%22worms:110707%22