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
4501	Wyoming man earns rare ‘Ultimate Angler’ distinction after catching tenth trophy class fish	oilcity news	2021-02-10	US
4502	Gigantic freshwater fish from Amazon found in Caloosahatchee River	Fort Myers News-Press	2021-02-11	US
4503	Fish Swallows Eel In Bizarre Video - But There's More To It Than Meets The Eye	ndtv	2021-02-11	US
4504	Humans push a hulking fish with a chainsaw nose towards oblivion	Nature	2021-02-12	US
4505	Disabled fish gets special life jacket made to help him swim	nypost	2021-02-15	UK
4506	Scientists Set Sail To Study Bluefin Tuna Spawning Grounds In The Oil-Tainted Gulf	Underwatertimes	2010-05-19	CA
4507	First As Oregon Man Sentenced For 'In Stream Work', Habitat Alteration; 'Coho Salmon Are A Gift'	Underwatertimes	2010-04-20	US
4508	Salmon may have been too tired to navigate Whitehorse fish ladder, research suggests	CBC News	2021-02-16	CA
4509	Asian carp may be in Lake Michigan	CBC News	2010-03-24	CA
4510	Fish die as Ukrainian authorities empty reservoir	kyiv post	2010-03-16	UA
4511	'Chemical cocktail' caused fish mutations: report	The Sunshine Coast Daily	2010-03-15	AU
4512	Do fish have feelings too? It's a slippery question for science	daily mail	2010-03-08	CA
4513	Canada border now has its own exhibit at the Aquarium of Niagara	WGRZ	2021-02-22	US
4514	Charleston angler lands monster trout from wheelchair	wvgazettemail	2021-02-06	US
4515	Fish Use 'Secret' Ultraviolet Vision To Distinguish Between Species	underwatertimes	2010-02-28	AU
4516	Canal search locates no Asian carp	upi	2010-02-18	US
4517	Amid carp threat, a call to unhook	wsj	2010-02-17	CA
4518	UN Turns To Forensic Science To Help Combat Illegal Fishing; 'We Need To Push The Envelope'	Underwatertimes	2010-02-01	IT
4519	A nature walk on the Oyster River and some non-retention fishing	campbell river mirror	2019-10-11	CA
4520	Catching Pink Salmon	islandfishermanmagazine	2020-08-05	CA
4521	Father-daughter ice fishing on the Bay of Quinte a cherished tradition	The Globe and Mail	2021-02-14	CA
4522	U.S. Retailer Target To Dump Farmed Salmon For Wild Alaska Salmon; 'Incredible Willingness To Challenge Old Paradigms'	Underwatertimes	2010-01-26	US
4523	Grumpy-looking blobfish in danger of being wiped out - see the pictures	Mirror.co.uk	2010-01-25	UK
4524	Fish Boom Makes Splash in Oregon	wsj	2010-01-21	US
4525	White House to hold Asian carp summit	upi	2010-01-21	US

180 of [218 - pages.]