fishScienceLakes Are Losing Oxygen—and Their Inhabitants Are in DangerBy Jennifer Clare BallEnvironmentThe Coelacanth May Live for a Century. That’s Not Great NewsBy Max G. LevyScienceThis Robot Spies on Creatures in the Ocean's ‘Twilight Zone’By Matt SimonScienceThe Drought Is Making the Klamath River’s Baby Salmon SickBy Anna V. SmithScienceOcean Acidification Could Make Tiny Fish Lose Their HearingBy Max G. LevyScienceThe Genome of Your Pet Fish Is Extremely WeirdBy John Timmer, Ars TechnicaScienceThis Fish Deleted Its Immune System to Fuse With Its MateBy Eric NiilerScienceIn Alaska, Summer’s Getting Too Hot for the Salmon RunBy Miranda WeissScience'Microplastic Hot Spots' Are Tainting Deep-Sea EcosystemsBy Matt SimonScienceThe Fishy Fix to a Methane-Spewing CropBy Moises Velasquez-ManoffScience‘Environmental DNA’ Lets Scientists Probe Underwater LifeBy Eric NiilerScienceThe Fish on Your Plate May Not Be What You OrderedBy Chris D'AngeloThe Big StoryThe Laser Battle Against Blood-Sucking Parasites of the DeepBy Amanda LittleGearThis Stress-Free Fish Tank Lets Plants Do the CleaningBy Arielle PardesScienceTuna Fish School Human Engineers in HydraulicsBy Menaka WilhelmScienceThe Fanged Fish That Drugs Its Enemies With OpioidsBy Matt SimonScienceInside the Race to Invent a Fish-Free Fish FoodBy Megan MolteniScienceThe Drought-Busting Bill Congress Just Passed Might Screw the Endangered Species ActBy Marley WalkerScienceOne Man's Quest to CT Scan All the World's FishesBy Matt SimonSciencePrint an Army of Giant, Articulated Fish From This 3-D DatabaseBy Nick StocktonScienceIn a First, the FDA Clears Genetically Modified Salmon for Eating—It Just Took 20 YearsBy Nick StocktonScienceClimate Change Is Wicked Bad for New England's CodBy Nick StocktonScienceAbsurd Creature of the Week: This Crafty Fish Turns Mussels Into Its Surrogate ParentsBy Matt SimonScienceEl Niño Is Going to Starve a Lot of FishBy Nick StocktonMore Stories