Northern Snakehead
Channa argus
Freshwater, Invasive species
Category
Freshwater, Invasive Species
Browse freshwater, invasive species identified by the Fish Identifier community.
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Goldfish (Fantail variety)
Carassius auratus
freshwater
Goldfish
Carassius auratus
freshwater
White Perch
Morone americana
freshwater, brackish, semi-anadromous
Tilapia
Oreochromis niloticus
freshwater, brackish
Western Mosquitofish
Gambusia affinis
freshwater
Green Sunfish
Lepomis cyanellus
freshwater
Koi (specifically Yamabuki Ogon variety)
Cyprinus rubrofuscus
Freshwater, Benthic
Oranda Goldfish
Carassius auratus
freshwater
Black Tilapia
Oreochromis niloticus x O. aureus (hybrid or color morph)
freshwater, benthic, invasive
Yellow Perch
Perca flavescens
freshwater
Platy (specifically the Sunburst Wag or Red Wag variety)
Xiphophorus maculatus
Freshwater livebearer
Lionfish (most likely a Red Lionfish)
Pterois volitans (for Red Lionfish, the most common species pictured)
saltwater, reef fish
Oscar
Astronotus ocellatus
freshwater
Tench
Tinca tinca
freshwater
Oranda Goldfish
Carassius auratus auratus
Freshwater ornamental fish
Guppy
Poecilia reticulata
freshwater
Platy (specifically the Orange/Gold Platy variety)
Xiphophorus maculatus
Freshwater livebearer
Fathead Minnow
Pimephales promelas
Fish
No specific fish identified
N/A
Golden Shiner
Notemigonus crysoleucas
freshwater
Freshwater Angelfish
Pterophyllum scalare
freshwater
Freshwater Angelfish
Pterophyllum scalare
freshwater
Dwarf Rasbora
Boraras maculatus
freshwater
Jewel Cichlid
Hemichromis bimaculatus
freshwater
Barramundi
Lates calcarifer
saltwater and freshwater
Koi and Goldfish (specifically a variety like a Fantail Goldfish)
Koi: Cyprinus rubrofuscus or Cyprinus carpio haematopterus (domesticated varieties of the Amur carp). Goldfish: Carassius auratus (domesticated variety of the Prussian carp).
freshwater
Arctic Grayling
Thymallus arcticus
Fish
Angelfish
Pterophyllum scalare
freshwater
Silver Bream
Blicca bjoerkna
freshwater
Coho Salmon
Oncorhynchus kisutch
Saltwater and Freshwater (anadromous)
Ornate Bichir
Polypterus ornatipinnis
freshwater
Kokanee Salmon
Oncorhynchus nerka
freshwater
Ichthyoplankton (Larval Fish)
Teleostean larval stage
Larval, Pelagic, Saltwater/Freshwater
Commerson's Glassy
Ambassis commersoni
estuarine, saltwater, freshwater
Common Roach
Rutilus rutilus
freshwater
Orange Blotched Peacock Cichlid
Aulonocara stuartgranti 'OB'
freshwater
Angelfish
Pterophyllum scalare
freshwater
Golden Shiner
Notemigonus crysoleucas
freshwater
Crucian Carp (Golden Variety)
Carassius carassius
freshwater
Zebrafish Larva
Danio rerio
freshwater
Rio Grande Cichlid
Herichthys cyanoguttatus
freshwater