Page 70 - Life In Naples Magazine - November 2015
P. 70

ROOKERY BAY

             A RARE ENCOUNTER

             WITH A RARE FISH…
Rby Renée Wilson
          ookery Bay National Estuarine Research Reserve                 and pupping and nursery habitat for juvenile fish. Smalltooth
          staff were conducting a nonbreeding bird route survey          sawfish forage for fish and crustaceans over mangrove-lined,
          recently in the Ten Thousand Islands near Cape                 shallow muddy or sandy bottom, while preferring the moderate
Romano, and were very excited to observe a 30-inch smalltooth            salinity ranges characteristic of the estuary.
sawfish. At this size, the sawfish would be considered “young-
of-the-year” and was most certainly pupped in Reserve waters.               Over the past 15 years, Reserve research staff have been
They were able to watch the sawfish from a distance of just a            gathering data on smalltooth sawfish caught and tagged in the
few feet as it casually swam in a small mudflat pool in just four        Ten Thousand Islands as part of a long-term research program
inches of water, likely attracted by the large number of bait fish       assessing juvenile shark status and trends. This information has
that were also observed.                                                 proven to be very important for supporting the wider effort to
                                                                         better understand this species so that we can collectively be able
   “This was a rare encounter, and a first observation of a              to better manage resources and ensure the continued survival of
smalltooth sawfish in its habitat for me, personally,” said
                                                                                                         this rare and ancient fish.
                                   Reserve research coordinator                                              Learn more about shark and
                                   Kevin Cunniff.
                                                                                                         sawfish monitoring in the reserve at
                                       Smalltooth sawfish, closely                                       www.rookerybay.org.
                                    related to sharks and rays,
                                    historically inhabited coastal and                                       Rookery Bay National Estuarine
                                    estuarine waters from North                                          Research Reserve protects 110,000
                                    Carolina to Texas. However,                                           acres of coastal lands and waters
                                     as their numbers have been                                           between Naples and Everglades
                                     drastically reduced from habitat                                     National Park. It is managed by
                                                                                                          the Department of Environmental
                                     loss and commercial fishing                                          Protection’s Florida Coastal Office
                                      impacts (as by-catch from                                           in cooperation with the National
                                      becoming entangled in fishing                                       Oceanic and Atmospheric
                                      nets), southwest Florida is their                                   Administration, and serves as an
                                     last stronghold. The smalltooth                                      outdoor classroom and laboratory
sawfish was classified as endangered in 2003 under the federal                                            for students and scientists from
Endangered Species Act (ESA)                                                                              around the world.
and is now fully protected. The
ESA designates smalltooth sawfish
Critical Habitat that includes the
waters of Florida Bay, Rookery
Bay Reserve and the Estero Bay/
Caloosahatchee River/Charlotte
Harbor complex.
   According to Cunniff, research
on these fish is in its infancy, and
not a great deal is currently known
about the habits and life history
of this species. Smalltooth sawfish
can grow to lengths of 18 to 25 feet,
attain a weight close to 800 pounds,
and perhaps live for 25 – 30 years.
Reserve waters serve as critically
important habitat for adult fish

	70 											                                                          Life in Naples | November 2015
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