Delta smelt

Hypomesus transpacificus · Wherever found · ECOS entity 305

In plain words

Federal ESA status Threatened

The Delta smelt is listed as threatenedthreatened: Likely to become endangered soon. under the federal Endangered Species ActEndangered Species Act: The federal law from 1973 that protects listed animals and plants.. This is the U.S. federal status. It is not the IUCN Red List or a state list. No upcoming date is on the record.

Show the record

Each step shows up to three dates: the date the law sets, the date in the agency's workplan or set by a court, and the date the step was published. Every date links to the document it comes from.

Timeline for Delta smelt
StepStatutory dateWorkplan or court-ordered datePublished (Federal Register)
90-day finding90-day finding: The agency's first answer to a petition, saying whether it is worth a full review.
Statutory date September 27, 1990 (90-day finding, 16 U.S.C. 1533(b)(3)(A)). Federal Register coverage starts October 24, 2024; earlier publications are not on the record yet. 16 U.S.C. 1533(b)(3)(A) Petition linked to this species: inferred from the petition title.
Statute wording for this date: "to the maximum extent practicable". 16 U.S.C. 1533(b)(3)(A)
Statutory date November 5, 2002 (90-day finding, 16 U.S.C. 1533(b)(3)(A)). Federal Register coverage starts October 24, 2024; earlier publications are not on the record yet. 16 U.S.C. 1533(b)(3)(A) Petition linked to this species: inferred from the petition title.
Statute wording for this date: "to the maximum extent practicable". 16 U.S.C. 1533(b)(3)(A)
Statutory date June 7, 2006 (90-day finding, 16 U.S.C. 1533(b)(3)(A)). Federal Register coverage starts October 24, 2024; earlier publications are not on the record yet. 16 U.S.C. 1533(b)(3)(A) Petition linked to this species: inferred from the petition title.
Statute wording for this date: "to the maximum extent practicable". 16 U.S.C. 1533(b)(3)(A)
Not in the workplan Not published as of October 24, 2026
5-year review notice
Statutory date March 5, 1998 (5-year review, 16 U.S.C. 1533(c)(2)(A); counted from the ECOS listing date). Federal Register coverage starts October 24, 2024; earlier publications are not on the record yet. 16 U.S.C. 1533(c)(2)(A)
Statute wording for this date: "at least once every five years". 16 U.S.C. 1533(c)(2)(A)
Not in the workplan Not published as of October 24, 2026

Petitions

  • “Delta smelt (Hypomesus transpacificus); List as Endangered”: petition date (closed). Source: ECOS petitions report, ECOS species profile. Petition linked to this species: inferred from the petition title.
  • “Delta smelt (█████████ transpacificans); Delist”: petition date (closed). Source: ECOS petitions report, ECOS species profile. Petition linked to this species: inferred from the petition title.
  • “Smelt, delta (Hypomesus transpacificus); emergency reclassify to endangered”: petition date (closed). Source: ECOS petitions report, ECOS species profile. Petition linked to this species: inferred from the petition title.

Identifiers and sources

This record
https://conservanode.org/id/species/305
ECOS
Species profile 321