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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

Small: 5 to 20 cm

Sardines, anchovies, most aquarium fish and many reef fish. 175 fish.

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🇳🇿 New Zealand and 3 moreCommon galaxias A small migratory fish of the Southern Hemisphere.Other · Rivers and lakes

🇺🇸 United States and 3 moreLined seahorse A western Atlantic seahorse with white neck lines and male pregnancy.Other · Coasts and shelves · 1810

🇦🇺 Australia and 3 moreSpiny seahorse A small, thorn-covered marine fish from the Indo-Pacific.Other · Coasts and shelves

Photo credits on this page

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

Common galaxias: Lycaon.cl, CC BY-SA 3.0, source
Lined seahorse: No machine-readable author provided. Stevenj assumed (based on copyrig, CC BY-SA 3.0, source
Spiny seahorse: Nhobgood Nick Hobgood, CC BY-SA 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.