Opisthonema
i
2026-08-05: itis_id 161747 via WoRMS external link
Opisthonema is a genus of herrings, the thread herrings, found in tropical waters of the Western Hemisphere. They get their name from a filamentous nature of the last ray of the dorsal fin.W CalCOFI holds 98 observations of it in 1 dataset between 1951 and 2006, as larva.R
- 98
- observations
- 98
- records
- 98
- sampling events
- 1951–2006
- years
- 1
- datasets
- larva
- life stages
Observed in 1 dataseti
One row per dataset, and beside it 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.
i
One row per dataset, and beside it 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.
-
name used: Opisthonema · code
16
Ways inExplorerdb-queryERDDAPRPythonThis page as JSON
Code and endpoints ERDDAP · R · Python · JSON
library(calcofi4r) con <- cc_get_db() # the promoted release tbl(con, "obs_bio") |> filter(taxon_key == "worms:158694")
import calcofi4py as cc
con = cc.cc_get_db()
con.sql("SELECT * FROM obs_bio WHERE taxon_key = 'worms:158694'").df()Read from taxa.json of release v2026.10.19, written at release by calcofi4db::build_taxa_catalog(). The catalog's index is /species/.
How big is it not on record
Not on record: no authority the fetcher reads carries a length for this taxon (a genus page could show the range of its species).
Life stages larva
- Ichthyoplankton larva
The stages each dataset records for it, from the release's obs_bio.life_stage.
Lineage 11 ranks · Biota to Dorosomatidae
Credits silhouette · photo · text
- Silhouette · John Hlavin · Public Domain Mark · PhyloPic, drawn from Ophisthonema oglinum · source
- Photo · SEFSC Pascagoula Laboratory; Collection of Brandi Noble, NOAA/NMFS/SEFSC · Public domain · commons · source
- Text · Wikipedia, “Opisthonema” · CC BY-SA 4.0 · revision 1258951185
Elsewhere Wikidata · iNaturalist
The same organism on the services the faces were fetched from; the authorities' own pages are the ids in the head.
Cite the release, v2026.10.19
Cite the release, v2026.10.19; each dataset's own citation, licence and DOI are on its page. How to cite ↗