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Species Directory

African Coelacanth

Overview Conservation & Management Resources

African Coelacanth

Latimeria chalumnae

640x427-african-coelacanth.png

Protected Status

ESA Threatened - Foreign
Tanzanian DPS

Quick Facts

Weight
198 pounds
Lifespan
48 years, average
Length
Up to 6.5 feet
Threats
Bycatch, Habitat destruction
Region
Foreign
See Regulatory Actions

About The Species

The African coelacanth belongs to an ancient lineage of bony, lobe-finned fish. The species was believed to have gone extinct over 65 million years ago but was rediscovered off the coast of South Africa in 1938. The Tanzanian distinct population segment (DPS) is thought to represent a single, isolated population of the species, having diverged approximately 200,000 years ago. The size of the population is likely small, with no connectivity to other populations. It also has late maturity and the longest generation time of any vertebrate. The main threats to the African coelacanth Tanzanian DPS include bycatch in shark gillnet fisheries and habitat destruction due to development. In 2016, NOAA Fisheries listed the DPS as threatened under the Endangered Species Act.

Protected Status

ESA Threatened - Foreign

1 distinct population segment

  • Tanzanian DPS

Appearance

The coelacanth has several unique physical features. Most notably are its paired lobe fins that extend away from the body and move in an alternating pattern. The body of the fish appears iridescent dark blue in film or video footage but under natural light the color is light brown with white blotches throughout that have been used for individual identification. They also have thick, armor-like scales and a unique joint at the back of the skull that allows them to open their upper and lower jaws at the same time.

Behavior and Diet

The coelacanth is a slow drift-hunter and eats a variety of benthic and epi-benthic prey, such as cephalopods, eels, cuttlefish, and deepwater fishes.

Where They Live

The Tanzanian DPS of African coelacanth lives among deep, rocky terraces comprised of sedimentary limestone. In this habitat, coelacanths are thought to use submarine cavities and shelves that have eroded out of the limestone composite for shelter between 230 to 460 feet in depth and in temperatures around 68° F.

Lifespan & Reproduction

The average lifespan of coelacanths is estimated to be 48 years of age. Female coleacanths reach maturity between 16 and 19 years and give birth to live young after a very lengthy gestation period of 3 years, which is the longest gestation period of any vertebrate species.  

Threats

Bycatch

Historically, fisheries bycatch has been the most significant threat to the coelacanth. The Tanzanian DPS in particular is subject to bycatch in the Tanzanian shark gillnet fishery, which has been expanding over the last decade.

Habitat Destruction

The Tanzanian DPS may experience direct habitat loss due to deep-water port construction, including submarine blasting and channel dredging known to occur in coelacanth habitat.

Scientific Classification

Kingdom Animalia
Phylum Chordata
Class Sarcopterygii
Order Coelacanthiformes
Family Latimeriidae
Genus Latimeria
Species chalumnae

In the Spotlight

Management Overview

The Tanzanian distinct population segment (DPS) of African coelacanth is listed as threatened under the Endangered Species Act.


Regulatory History

In 2013, NOAA Fisheries received a petition to list the African coelacanth as threatened or endangered under the Endangered Species Act. In our 90-day finding, we concluded that the petitioned action may be warranted. After completing a status review, we proposed to list the Tanzanian DPS of the species as threatened and requested comments from the public. In 2016, NOAA Fisheries listed the Tanzanian DPS of African coelacanth as threatened under the Endangered Species Act.

Key Actions and Documents

Actions & Documents Incidental Take

Listing the Tanzanian DPS of African Coelacanth as Threatened Under the Endangered Species Act

We, NOAA Fisheries, issue a final rule to list the Tanzanian Distinct Population Segment (DPS) of African coelacanth (Latimeria chalumnae) as a threatened species under the Endangered Species Act (ESA). We will not designate critical habitat for this…
  • Final Rule (81 FR 17398, March 29, 2016)
  • Proposed Rule (80 FR 11363, March 3, 2015)
  • 90-day Finding (79 FR 10104, February 24, 2014)
  • Endangered Species Act Status Review Report for the Coelacanth: Latimeria chalu…
  • Petition (2013)
Final Rule
,
Foreign
Effective
April 28, 2016

More Information

  • Listing Foreign Species Under the ESA

Science Overview

Documents

Document

Endangered Species Act Status Review Report for the Coelacanth (Latimeria chalumnae)

This report is the status review for the African coelacanth, Latimeria chalumnae. This report…

More Documents
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