The Scent of Danger Makes These Fish Hulk Out

The Scent of Danger Makes These Fish Hulk Out

By Susan Cosier

Source: hakaimagazine

6/5/2021

Gilthead seabream swim back and forth in their tank, the yellow markings between their eyes that they’re named for flashing as they glide by. Carlos Díaz-Gil, a graduate student at LIMIA, the marine research and aquaculture laboratory of Mallorca in Spain, adds a few ice cubes to their tank. The ice is made of water from a neighboring tank containing black scorpionfish*, one of the seabream’s feared predators. Díaz-Gil knows that the scent of the scorpionfish, just a trace of its existence, will likely cause the seabream to change in surprising ways.

After a month, Díaz-Gil kills a select few seabream and measures them. The fish’s bodies have gotten deeper—bigger from back to belly—and more difficult for black scorpionfish to swallow, expanding in what appears to be a natural defensive change.

Continue...

News Id		Source	Stamp	country
4351	Slinger angler sets world record for fish caught in 24 hours	Journal Sentinel	2011-08-01	US
4352	Gary the greedy gourami takes a break from eating KitKats	metro	2011-07-31	UK
4353	Natures spring: Cod bounce back	BBC News	2011-07-28	CA
4354	Dumped net angers fisherman	ODT	2011-07-29	NZ
4355	Bloodsucking-fish fossils overturn once-popular theory about our evolution	CBC News	2021-03-15	CA
4356	Canada Launches Satellite Technology That Identifies ‘Dark Vessels’ Illegally Catching Billions of Fish	Fisheries and Oceans Canada	2021-03-14	CA
4357	Blue marlin seen jumping in the surf at Jensen Beach washes up on shore later	Treasure Coast Newspapers	2021-03-01	US
4358	Marine Protected Areas in Oahu Provide Low Safety to Coral Reef Herbivorous Fishes	azocleantech	2021-03-01	US
4359	Maltese company confident of winning Sea Shepherd case	times of malta	2011-07-24	MT
4360	Sport masks 'ecological massacre'	northern star	2011-07-25	AU
4361	'Four-Eyed Fish Sees Above And Below Water	Underwatertimes	2011-07-20	CA
4362	Invasive snakehead found in river near Annapolis	The Baltimore Sun	2011-07-18	US
4363	First Study Into Gm Atlantic Salmon Mating Reveals Danger Of Escape To Wild Gene Pool	underwatertimes	2011-07-13	CA
4364	Answer for Invasive Species: Put It on a Plate and Eat It	nytimes	2011-07-09	US
4365	Teddy Carr In Contention At Bass Northern Open	Underwatertimes	2011-07-08	US
4366	Fishing industry quiet on worms in cod: report	thelocal	2011-07-03	SE
4367	Dairy Farm Owner Fined $15,000 For Discharging Manure Into North Branch Creek West	news.ontario.ca	2016-02-16	CA
4368	The GoFish Cam lets anglers see what's really happening underwater. And it records video too.	boingboing	2021-02-28	US
4369	When Chinook salmon is off the menu, other prey will do for endangered orcas	mongabay	2021-03-03	CA
4370	Ultra-rare Mexican walking fish found in stunned family's garden pond	dailystar	2021-03-02	MX
4371	Alabama Deep Sea Fishing Rodeo looking for Guinness World Record this year	AL	2011-07-03	US
4372	The UAE’s other black gold: Caviar	english.alarabiya.ne	2011-06-27	SA
4373	Record salmon count for River Tyne	BBC News	2011-06-26	UK
4374	Pompano Beach fishing captain cited for illegal possession of goliath grouper	sun-sentinel	2011-06-24	US
4375	Every Single Salmon Contains The Natural Chemical Tag	Underwatertimes	2011-06-23	UK

174 of [218 - pages.]