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RiversEl Niño seen disrupting fish migration patterns SpeciesScientists Discover Mysterious New Fish in the Red Sea – and Have Never Seen It Again OceanEye to eye with Britain's hidden sharks at SharkAdemy - Oceanographic RiversIn October, biologists surveying a New York harbor for invasive fish pulled up a bright yellow one. It wasn't an invasive species at all OceanShedd Aquarium Sends Shark Eggs to Bolster Wild Populations SpeciesA rare fish has been found in Lake Ontario, North America, whose entire body is golden. It is a nati..OceanThe Great Sea Reef Is Fiji’s Wildest Dive, and a New Frontier for Conservation OceanEckerd College professor contributes to designating Biscayne Bay an Important Shark and Ray Area SpeciesRio Verde Grande Survey Identifies Fifty-Three Fish Species Facing Flow Reductions FisheriesAdams River Salmon Run in Thompson-Nicola RiversEl Niño seen disrupting fish migration patterns SpeciesScientists Discover Mysterious New Fish in the Red Sea – and Have Never Seen It Again OceanEye to eye with Britain's hidden sharks at SharkAdemy - Oceanographic RiversIn October, biologists surveying a New York harbor for invasive fish pulled up a bright yellow one. It wasn't an invasive species at all OceanShedd Aquarium Sends Shark Eggs to Bolster Wild Populations SpeciesA rare fish has been found in Lake Ontario, North America, whose entire body is golden. It is a nati..OceanThe Great Sea Reef Is Fiji’s Wildest Dive, and a New Frontier for Conservation OceanEckerd College professor contributes to designating Biscayne Bay an Important Shark and Ray Area SpeciesRio Verde Grande Survey Identifies Fifty-Three Fish Species Facing Flow Reductions FisheriesAdams River Salmon Run in Thompson-Nicola

EveryFish

Tiny: under 5 cm

Gobies, guppies, tetras and the smallest fish in the world. 24 fish.

Tiny Small Medium Large Very large Giant

🇨🇳 ChinaWhite Cloud Mountain minnow A small, hardy freshwater fish native to China, popular in aquariums for its cold tolerance and peaceful nature.Carp · Rivers and lakes · 1930

🇲🇲 Myanmar and 1 moreCelestial pearl danio A tiny, brightly coloured freshwater fish from Myanmar and Thailand, popular in the aquarium trade.Carp · Rivers and lakes · 2006

🇱🇰 Sri LankaVateria Flower Rasbora Small freshwater fish from Sri Lanka streamsCarp · Rivers and lakes

Photo credits on this page

The small pictures above come from Wikimedia Commons under free licences. Some are cropped to fit.

White Cloud Mountain minnow: Unknown author, CC BY-SA 3.0, source
Celestial pearl danio: Cisamarc, CC BY-SA 3.0, source
Vateria Flower Rasbora: Rupert A. Collins, CC BY 3.0, source

The weekly digest

Every Monday: the fish of the day, new pages on EveryFish, and the conferences and anniversaries of the week ahead.