CalCOFI.io CalCOFI.io open data ecosystem
Genus · accepted · checked 2026-09-04

Octactis

WoRMS 369960key worms:369960
Silhouette · Levi Simons · CC0 1.0 · PhyloPic, drawn from Dictyochophyceae

Size · not on record: no authority the fetcher reads carries a length for this taxon (a genus page could show the range of its species).

Photograph of Octactis
Photo · Aleksandr Novikov · CC BY-NC 4.0 · inat NC

Octactis is a genus of silicoflagellates, marine photosynthetic unicellular protists that take the form of either flagellates or axopodial amoebae. Described by Josef Schiller in 1925, Octactis contains various species of marine phytoplankton, some of them responsible for algal blooms that are toxic to fish.W CalCOFI holds 183 observations of it in 1 dataset, across 2 taxa under it.R

183
observations
842
records
1
datasets
2
species under it

Observed in

Nothing is keyed to this taxon directly — every observation under it belongs to one of the taxa below.

Under it · 2 taxa

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
R
library(calcofi4r)
con <- cc_get_db()                      # the promoted release
tbl(con, "obs_bio") |> filter(taxon_key == "worms:369960")