Nonnative Freshwater Fish

Common Name

Scientific name

Year first observed

Method of Introduction

Regionally established populations

Permanent populations that are found in several counties or locations

African jewelfish

Hemichromis letourneuxi

1959

Aquarium release and/or aquaculture escape

Asian swamp eel

Monopterus albus

1997

Possible aquaculture escape

Black acara

Cichlasoma bimaculatum

early 1960s

Aquarium release and/or aquaculture escape

Blackchin tilapia

Sarotherodon melanotheron

early 1960s

Aquarium release and/or aquaculture escape

Blue tilapia

Oreochromis aureus

1961

Escaped from FWC facility; moved by commercial fishermen

Brown hoplo

Hoplosternum littorale

1995

Unknown

Bullseye snakehead

Channa marulius

2000

Unknown

Butterfly peacock

Cichla ocellaris

1984

Released by FWC to control other nonnative fishes

Clown knifefish

Chitala ornata

1994

Aquarium release and/or aquaculture escape

Common carp

Cyprinus carpio

late 1800s

Expansion from Alabama of introduced range

Jaguar guapote

Cichlasoma managuense

1992

Aquarium release and/or aquaculture escape

Mayan cichlid

Cichlasoma urophthalmus

1984

Possible aquarium release

Midas cichlid

Cichlasoma citrinellum

1981

Aquarium release and/or aquaculture escape

Mozambique tilapia

Oreochromis mossambicus

early 1970s

Aquarium release and/or aquaculture escape

Orinoco sailfin catfish

Pterygoplichthys multiradiatus

1981

Aquarium release and/or aquaculture escape

Oscar

Astronotus ocellatus

1960

Aquarium release and/or aquaculture escape

Pike killifish

Belonesox belizanus

1957

Released by the Department of Medicine, University of Miami

Rio Grande cichlid

Cichlasoma cyanoguttatum

early 1940s

Possible aquaculture escape

Spotted tilapia

Tilapia mariae

1974

Aquarium release and/or aquaculture escape

Suckermouth catfish

Hypostomus sp.

1958

Aquarium release and/or aquaculture escape

Vermiculated sailfin catfish

Pterygoplichthys disjunctivus

1991

Aquarium release and/or aquaculture escape

Walking catfish

Clarias batrachus

1967

Aquarium release and/or aquaculture escape

Yellowbelly cichlid

Cichlasoma salvini

1980

Aquarium release and/or aquaculture escape

Locally established populations

Permanent populations that are found within a single county or from 1-2 locations

Silver dollar

Metynnis sp.

1980, 2005

Aquarium release and/or aquaculture escape

Variable platyfish

Xiphophorus variatus

1974

Aquarium release and/or aquaculture escape

Reproducing species (not established)

Species that reproduce but have not formed stable populations

Banded cichlid

Heros severus

1993

Aquarium release and/or aquaculture escape

Bristlenosed catfish

Ancistrus sp.

2001

Aquarium release and/or aquaculture escape

Eartheater

Geophagus sp.

1981

Aquarium release and/or aquaculture escape

Eastern happy

Haplochromis callipterus

1998

Aquarium release and/or aquaculture escape

Hornet tilapia

Tilapia buttikoferi

2005

Aquarium release and/or aquaculture escape

Nile tilapia

Oreochromis niloticus

2006

Aquarium release and/or aquaculture escape

Oriental weatherfish

Misgurnus anguillicaudatus

1988

Aquarium release and/or aquaculture escape

Spotfin spiny eel

Macrognathus siamensis

2002

Aquarium release and/or aquaculture escape

Theraps hybrid

Theraps melanurus x T. zonatus

2001

Aquarium release and/or aquaculture escape

Observed species (not reproducing)

Barred bichir

Polypterus delhezi

2001

Aquarium release and/or aquaculture escape

Black pacu

Colossoma macropomum

mid 1960s

Aquarium release and/or aquaculture escape

Cichlasoma hybrid

C. citrinellum x C. urophthalmus

2005

Aquarium release and/or aquaculture escape

False Siamese shark

Platytropius siamensis

1988

Aquarium release and/or aquaculture escape

Grass carp

Ctenopharyngodon idella

1972

Triploid (sterile) individuals stocked to control aquatic plants

Northern snakehead

Channa argus

2000

Unknown

Redbellied pacu

Piaractus brachypomus

mid 1960s

Aquarium release and/or aquaculture escape

Extirpated species

Species that have been actively eliminated or have naturally died out

Climbing perch

Anabas testudineus

late 1960s

Aquarium release and/or aquaculture escape

Convict cichlid

Cichlasoma nigrofasciatum

early 1960s

Aquarium release and/or aquaculture escape

Croaking gourami

Trichopsis vittata

1978

Aquarium release and/or aquaculture escape

Firemouth cichlid

Cichlasoma meeki

early 1960s

Aquarium release and/or aquaculture escape

Green swordtail

Xiphophorus hellerii

early 1970s

Aquarium release and/or aquaculture escape

Guppy

Poecilia reticulata

early 1970s

Aquarium release and/or aquaculture escape

Jack dempsey

Cichlasoma octofasciatum

late 1960s

Aquarium release and/or aquaculture escape

Pirambeba

Serrasalmus humeralis

early 1960s

Aquarium release and/or aquaculture escape

Redbelly tilapia

Tilapia zillii

1974

Unknown

Siamese fightingfish

Betta splendens

1969

Aquarium release and/or aquaculture escape

Southern platyfish

Xiphophorus maculatus

early 1970s

Aquarium release and/or aquaculture escape

Twospot ctenopoma

Ctenopoma nigropannosum

early 1970s

Aquarium release and/or aquaculture escape

Trahira

Hoplias malabaricus

1974

Possible aquarium release and/or aquaculture escape

Threespot cichlid

Cichlasoma trimaculatum

early 1970s

Aquarium release and/or aquaculture escape



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