Acording to U.S. Fish & Wildlife Service the manatee is an endangered species. I would hope that they have the latest info.

Florida has 57 animals in this list.
E= Endagered
T= Threatened
Florida
Notes:
* This report shows the species listed in this state according to the Federal Register listing description.
* This list does not include experimental populations and similarity of appearance listings.
* This list includes species or populations under the sole jurisdiction of the National Marine Fisheries Service.
* Click on the highlighted scientific names below to view a Species Profile for each listing.
Listed species (based on published population data) -- 112 listings
Animals -- 57
Status Species/Listing Name
T Bankclimber, purple (mussel) (Elliptoideus sloatianus)
E Bat, gray (Myotis grisescens)
E Beetle, American burying (Nicrophorus americanus)
E Butterfly, Schaus swallowtail (Heraclides aristodemus ponceanus)
T Caracara, Audubon's crested FL pop. (Polyborus plancus audubonii)
E Crocodile, American (Crocodylus acutus)
E Curlew, Eskimo (Numenius borealis)
E Darter, Okaloosa (Etheostoma okaloosae)
E Deer, key (Odocoileus virginianus clavium)
T Eagle, bald lower 48 States (Haliaeetus leucocephalus)
T Jay, Florida scrub (Aphelocoma coerulescens)
E Kite, Everglade snail FL pop. (Rostrhamus sociabilis plumbeus)
E Manatee, West Indian (Trichechus manatus)
E Moccasinshell, Gulf (Medionidus penicillatus)
E Moccasinshell, Ochlockonee (Medionidus simpsonianus)
E Mouse, Anastasia Island beach (Peromyscus polionotus phasma)
E Mouse, Choctawhatchee beach (Peromyscus polionotus allophrys)
E Mouse, Key Largo cotton (Peromyscus gossypinus allapaticola)
E Mouse, Perdido Key beach (Peromyscus polionotus trissyllepsis)
T Mouse, southeastern beach (Peromyscus polionotus niveiventris)
E Mouse, St. Andrew beach (Peromyscus polionotus peninsularis)
E Panther, Florida (Puma (=Felis) concolor coryi)
E Pigtoe, oval (Pleurobema pyriforme)
T Plover, piping except Great Lakes watershed (Charadrius melodus)
E Pocketbook, shinyrayed (Lampsilis subangulata)
E Rabbit, Lower Keys marsh (Sylvilagus palustris hefneri)
E Rice rat lower FL Keys (Oryzomys palustris natator)
T Salamander, flatwoods (Ambystoma cingulatum)
E Sawfish, smalltooth (Pristis pectinata)
E Sea turtle, green FL, Mexico nesting pops. (Chelonia mydas)
T Sea turtle, green except where endangered (Chelonia mydas)
E Sea turtle, hawksbill (Eretmochelys imbricata)
E Sea turtle, Kemp's ridley (Lepidochelys kempii)
E Sea turtle, leatherback (Dermochelys coriacea)
T Sea turtle, loggerhead (Caretta caretta)
E Seal, Caribbean monk (Monachus tropicalis)
T Shrimp, Squirrel Chimney Cave (Palaemonetes cummingi)
T Skink, bluetail mole (Eumeces egregius lividus)
T Skink, sand (Neoseps reynoldsi)
T Slabshell, Chipola (Elliptio chipolaensis)
T Snail, Stock Island tree (Orthalicus reses (not incl. nesodryas))
T Snake, Atlantic salt marsh (Nerodia clarkii taeniata)
T Snake, eastern indigo (Drymarchon corais couperi)
E Sparrow, Cape Sable seaside (Ammodramus maritimus mirabilis)
E Sparrow, Florida grasshopper (Ammodramus savannarum floridanus)
E Stork, wood AL, FL, GA, SC (Mycteria americana)
T Sturgeon, gulf (Acipenser oxyrinchus desotoi)
E Sturgeon, shortnose (Acipenser brevirostrum)
T Tern, roseate Western Hemisphere except NE U.S. (Sterna dougallii dougallii)
E Three-ridge, fat (mussel) (Amblema neislerii)
E Vole, Florida salt marsh (Microtus pennsylvanicus dukecampbelli)
E Whale, finback (Balaenoptera physalus)
E Whale, humpback (Megaptera novaeangliae)
E Whale, right (Balaena glacialis (incl. australis))
E Wolf, gray lower 48 States, except MN and where XN; Mexico (Canis lupus)
E Woodpecker, red-cockaded (Picoides borealis)
E Woodrat, Key Largo (Neotoma floridana smalli)
http://ecos.fws.gov/tess_public/Stat...isted&state=FL
additional info:
http://ecos.fws.gov/speciesProfile/S...do?spcode=A007