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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

Sphyrnidae

5 fish on EveryFish name Sphyrnidae among their families.

WorldHammerhead shark Sharks with T-shaped heads for better vision and sensing prey.Shark · Coasts and shelves

WorldGreat hammerhead The largest hammerhead shark, known for its wide cephalofoil and critically endangered status.Shark · Coasts and shelves · 1837

🇺🇸 United States and 4 moreBonnethead A small hammerhead shark with a spade-shaped head and omnivorous diet.Shark · Coasts and shelves

South AsiaWinghead shark A small hammerhead with an exceptionally wide cephalofoil.Shark · Coasts and shelves · 1822

WorldSmooth hammerhead Temperate hammerhead shark with a curved head marginShark · Coasts and shelves · 1758

Photo credits on this page

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

Hammerhead shark: suneko, CC BY 2.0, source
Great hammerhead: Josh Hallett, CC BY 2.0, source
Bonnethead: Valerie Everett, CC BY-SA 2.0, source
Winghead shark: Sir Francis Day, Public domain, source
Smooth hammerhead: D Ross Robertson, Public domain, source

The weekly digest

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