Fish

Whether stream or ocean, the diversity and science of fish goes deep. This is the latest on the science of swimmers.

Latest in Fish

ROV pilots filmed this glass squid at 1,725 meters while exploring the Colorado-Rawson submarine canyon off the coast of Argentina. CREDIT: ROV SuBastian / Schmidt Ocean Institute Due to our legal status as a 501(c)(3) private operating foundation, no media produced by Schmidt Ocean Institute may be used in attempting to influence legislation or lobbying. Additionally, all visual assets (Images, videos, etc) can only be used as stated by creative commons Attribution-NonCommercial-ShareAlike CC BY-NC-SA Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. NonCommercial — You may not use the material for commercial purposes. ShareAlike — If you remix, transform, or build upon the material, you must distribute your contributions under the same license as the original. https://creativecommons.org/licenses/by-nc-sa/4.0/

Marine biologists discover 28 new deep sea species—and an old VHS tape

a shark with brownish yellow scales and spots curled up among coral

‘Walking sharks’ lay eggs without breaking a sweat

By Margherita Bassi

veteranarians sit in an inflatable pool with a large sting ray

Giving a 140 pound stingray a check-up requires 8 people

By Laura Baisas

A pink octopus squid floating upside down spotted by MBARI researchers

Dive into 2025’s most stunning deep-sea wildlife encounters

Inside the mouth of this anchovy, plankton particles are captured by the gill arch system.

Sardine-inspired washing machine filter removes 99% of microplastics

several full fish laying on ice. the fish are orange, white, and multicolored

Afraid your fish is too fishy? Smart sensors might save your nose

By Mack DeGeurin

Newly described muscle anatomy (right) and overall jaw anatomy of Dunkleosteus terrelli (center), compared to a more typical arthrodire (left)

Cleveland’s beloved ancient sea monster was more turtle than shark

Video screenshot of remoras attached to humpback whale

Ride on a humpback whale with little sucker fish

Screenshot of ROV video showing icefish nests on floor of Weddell Sea

The quest to find Shackleton’s ship uncovered an Antarctic mystery

A red cusk-eel burrowed in among tubeworms at a methane seep off the coast of El Quisco in central Chile. Credit: Schmidt Ocean Institute

Tiny spider crabs snack on parasites from Chile’s favorite fish

Research team lowering Redwing submersible into ocean from a boat

Self-piloting submarine set to begin historic mission to circle Earth’s oceans

Smelt fish under ice. Fish spawning in river. Pacific smelt

Fake fish blood may save your ice cream from freezer burn

Three leopard sharks mating in water

First-ever footage of leopard shark sex shows an unexpected trio

Red Hind Grouper in coral reef

Eavesdropping on grunting groupers reveals how the fish communicate

a large, flat head catfish with an open mouth

Monster catfish and its creepy smile invade PA rivers

By Laura Baisas

a fish with bright blue markings swim in a tank

A rainbow of fish dazzles in New Jersey

By Laura Baisas

a lake trout looking up from the water

Meet Mary Catherine, the Great Lakes’ oldest-known trout

By Laura Baisas

Norselaspis illustration

A googly-eyed fish could upend evolutionary history

several small fish with colorful organa and blue scales

Orange male guppies are hornier

By Laura Baisas

small fish in a net being rescued

After a devastating wildfire, rescued fish make a triumphant return to Malibu

By Margherita Bassi