Threatened fish
Fish the IUCN Red List rates as Vulnerable, Endangered or Critically Endangered, so at risk of dying out in the wild. The ratings are worldwide.
10 fish
AquariumAsian arowana
Scleropages formosus
Sizeup to 90 cm
Freshwater2 states
SportAtlantic blue marlin
Makaira nigricans
Sizeup to 427 cm
Saltwater
SportAtlantic tarpon
Megalops atlanticus
Sizeup to 243.8 cm
FreshwaterBrackishSaltwater
AquariumBetta persephone
Betta persephone
Sizeup to 3.2 cm
Freshwater1 state
Sport · FoodBrown-marbled grouper
Epinephelus fuscoguttatus
Sizeup to 120 cm
Saltwater2 states
FoodHumphead wrasse
Cheilinus undulatus
Sizeup to 229 cm
Saltwater1 state
SportIndo-Pacific sailfish
Istiophorus platypterus
Sizeup to 350 cm
Saltwater1 state
Food · AquariumIridescent shark
Pangasianodon hypophthalmus
Sizeup to 130 cm
Freshwater1 state
FoodJullien's golden carp
Probarbus jullieni
Freshwater2 states
AquariumSiamese fighting fish
Betta splendens
Sizeup to 6 cm
Freshwater