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ESAblawg is an educational effort by Keith W. Rizzardi. Correspondence with this site does not create a lawyer-client relationship. Photos or links may be copyrighted (but used with permission, or as fair use). ESA blawg is published with a Creative Commons License.

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florida gators... never threatened!

If you ain't a Gator, you should be! Alligators (and endangered crocs) are important indicator species atop their food chains, with sensitivity to pollution and pesticides akin to humans. See ESA blawg. Gator blood could be our pharmaceutical future, too. See ESA musing.


Follow the truth.

"This institution will be based on the illimitable freedom of the human mind. For here we are not afraid to follow truth wherever it may lead, nor to tolerate any error so long as reason is left free to combat it." -- Thomas Jefferson to William Roscoe, December 27, 1820.


Thanks, Kevin.

KEVIN S. PETTITT helped found this blawg. A D.C.-based IT consultant specializing in Lotus Notes & Domino, he also maintains Lotus Guru blog.

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NOAA may list largetooth sawfish as an endangered species

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74 Fed. Reg. 37671 / Vol. 74, No. 144 / Wednesday, July 29, 2009 / Proposed Rules
DEPARTMENT OF COMMERCE / National Oceanic and Atmospheric Administration / 50 CFR Parts 223 and 224 / Listing Endangered and Threatened Species and Designating Critical Habitat: Notice of Finding on a Petition To List the Largetooth Sawfish (Pristis perotteti) as an Endangered or Threatened Species Under the Endangered Species Act
ACTION: Notice of finding, request for information, and initiation of status review

SUMMARY: We, NMFS, announce a 90 day finding on a petition to list largetooth sawfish (Pristis perotteti) as endangered or threatened under the Endangered Species Act (ESA). We find that the petition presents substantial scientific and commercial information indicating the petitioned action may be warranted. We will conduct a status review of largetooth sawfish to determine if the petitioned action is warranted. To ensure that the status review is comprehensive, we are soliciting scientific and commercial data regarding this species (see below). DATES: Information and comments on the subject action must be received by September 28, 2009.

Sawfish in general inhabit the shallow coastal waters in tropical, subtropical and warm-temperate waters. They are typically found very close to shore lying on muddy and sandy bottoms, in bays, estuaries, and lagoons.  However, Largetooth sawfish move among
salinity gradients freely and appear to have more physiological tolerance of freshwater than smalltooth sawfish Photo from

KEITHINKING: In a 2000 ruling on a prior petition, NOAA said it would “maintain the largetooth sawfish as a candidate species, and continue to solicit more information regarding this species to resolve doubts regarding its range and taxonomy.” 65 Fed. Reg. 12959.  Wildearth Guardians latest petition compelled NOAA to reconsider those doubts, and argued that NOAA "inappropriately discounts the historic abundance of Largetooth Sawfish in Texas waters and elsewhere along the United States Gulf Coast."   However, the information gap remains, and in the recent notice, NOAA again cautions that "Quantitative data on largetooth sawfish population trends are lacking in the petition and our files" and that "There is little information in the petition or our files related to genetic, morphological, or other population structure differences within the species beyond the unique freshwater population of Lake Nicaragua..."

LINKS: NOAA information and links, and Wildearth Guardians petition to list the longtooth sawfish.