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Delisted Species Under the Endangered Species Act (ESA)

Species under review for delisting are those petitioned species that are currently listed as threatened or endangered under the ESA but are actively being considered for removal from the list. NMFS may be petitioned to delist a species or may self-initiate an ESA status review that it has announced in the Federal Register (see "How species are listed").

Proposed for delisting are those species that were found to warrant delisting and were officially proposed as such in a Federal Register notice after the completion of a status review and consideration of other protective conservation measures. Public comment is always sought on a proposal to delist species under the ESA. NMFS generally has one year after a species is proposed for delisting under the ESA to make a final determination.

Delisted species are those species that were formerly listed as threatened or endangered under the ESA but have since been removed because of their status.

Under Review for Delisting (2"species")

SpeciesYearFederal Register notice
Marine Mammals

whale, humpback (1 DPS)
(Megaptera novaeangliae)

  • North Pacific
201378 FR 53391
Marine Turtles

turtle, green
(Chelonia mydas)

  • Hawaiian Population
201277 FR 45571

Delisted (3 "species")

SpeciesYear DelistedYear ListedStatus
Marine Mammals

sea lion, Steller
(Eumetopias jubatus)

  • Eastern DPS
20131990recovered
seal, Caribbean monk
(Monachus tropicalis)
20081967extinct

whale, gray
(Eschrichtius robustus)

  • Eastern North Pacific DPS
19941970recovered

Endangered and Threatened Marine Species

Updated: November 4, 2013