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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 IndiaHilsa production dropped 26% in five years, fisheries minister tells parliament 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 IndiaHilsa production dropped 26% in five years, fisheries minister tells parliament

EveryFish

Small: 5 to 20 cm

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

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South AsiaGreen spotted puffer Small brackish water pufferfish with a tiny genomeOther · Rivers and lakes

🇰🇭 Cambodia and 1 moreFigure 8 puffer A small brackish water pufferfish with distinctive eye-like markings.Other · Rivers and lakes

🇮🇩 IndonesiaCelebes rainbowfish A small, transparent silverside from Sulawesi streams.Other · Rivers and lakes

WorldGuntea loach A small Asian loach that breathes through its gut to survive in poor water.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

Photo credits on this page

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

Green spotted puffer: Starseed, CC BY-SA 3.0 de, source
Figure 8 puffer: ColdmachineUK, CC BY 2.5, source
Celebes rainbowfish: Shigella dysenteriae at English Wikipedia, CC BY-SA 3.0, source
Guntea loach: Sir Francis Day, Public domain, source
Lined seahorse: No machine-readable author provided. Stevenj assumed (based on copyrig, 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.