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Burmese Python
Python bivittatus
Large constrictor established in South Florida that preys on many native mammals, birds and reptiles.
20 Florida Invaders
From giant constrictors and predatory reef fish to aggressive plants, frogs, snails and freshwater species, Florida faces an unusually diverse invasive-species problem.
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Lionfish
Pterois volitans / P. miles
Venomous marine predator that consumes native reef fish and can disrupt Atlantic and Gulf reef communities.
3
Cane Toad
Rhinella marina
Large invasive toad whose toxins can seriously harm native predators and household pets.
4
Cuban Treefrog
Osteopilus septentrionalis
Florida's largest treefrog. It competes with and may consume smaller native frogs and other animals.
5
Green Iguana
Iguana iguana
Large herbivorous lizard that damages landscaping, burrows into infrastructure and affects native habitats.
6
Argentine Black & White Tegu
Salvator merianae
Large omnivorous lizard known to eat eggs of native reptiles and ground-nesting birds.
7
Nile Monitor
Varanus niloticus
Large predatory lizard capable of eating fish, frogs, reptiles, birds, mammals and eggs.
8
Giant African Land Snail
Lissachatina fulica
Destructive agricultural pest that feeds on a very wide range of plants and can damage structures.
9
Island Apple Snail
Pomacea maculata
Large freshwater snail that damages aquatic vegetation and can alter wetland food webs.
10
Walking Catfish
Clarias batrachus
Hardy freshwater fish capable of moving across wet ground and entering new waterways.
11
Mayan Cichlid
Mayaheros urophthalmus
Adaptable Central American fish established in portions of South Florida's freshwater and brackish habitats.
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Peacock Bass
Cichla ocellaris
A nonnative South American sport fish intentionally introduced into southeast Florida canals; included here as a nonnative special case.
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Brazilian Pepper
Schinus terebinthifolia
Dense woody shrub that overtakes native plant communities and forms thick stands.
14
Melaleuca
Melaleuca quinquenervia
Invasive tree that can transform wetlands and displace native vegetation.
15
Australian Pine
Casuarina spp.
Fast-growing coastal trees that shade out native vegetation and alter beach habitats.
16
Air Potato
Dioscorea bulbifera
Aggressive vine capable of climbing over and smothering shrubs and trees.
17
Old World Climbing Fern
Lygodium microphyllum
Climbing fern that can blanket trees and shrubs and alter fire behavior.
18
Cogongrass
Imperata cylindrica
Highly invasive grass that forms dense stands, suppresses native plants and changes fire behavior.
19
Water Hyacinth
Pontederia crassipes
Floating aquatic plant that forms dense mats, blocks waterways and reduces oxygen levels.
20
Hydrilla
Hydrilla verticillata
Submerged aquatic weed that can create thick underwater mats and alter freshwater habitats.