Fish see in the dark thanks to extra layers of rod cells in their eyes

Fish see in the dark thanks to extra layers of rod cells in their eyes

Source: newscientist

12/21/2022

Credit: Justin Marshall

The specialised retinas of some nocturnal coral fish result in faster vision and greater sensitivity to dim and bright light. The same adaptation may enable deep-sea animals to see in darkness.

Fish living in dim conditions can have as many as 28 layers of light-sensitive rod cells at the back of their eyes, known as a multibank retina. But exactly how this helps them to see in low light was unclear until now.

Continue...

News Id		Source	Stamp	country
4726	30 New Fish Species Discovered On Borneo; 'The More We Look the More We Find'	Underwatertimes	2006-12-19	SW
4727	Climate Change has Surprising Effect on Endangered Naked Carp; 'Metabolic Holiday'	Underwatertimes	2006-12-19	US
4728	Snakeheads Appear at Home in the Potomac	washington post	2006-10-02	US
4729	Farming endangered blue-fin tuna	bbc news	2006-12-27	JP
4730	World First as Endangered Fish Population Recovers; Shortnose Sturgeon Numbers Up 400%	Underwatertimes	2007-02-06	US
4731	Chips plan to keep an eye on fish	bbc news	2006-10-16	CA
4732	Scientists: First Documented Spawning of White Fish in the Detroit River Since 1900s	underwatertimes	2006-10-17	US
4733	Study: Critical Nutrients in Ecosystems Change when Fish Become Extinct	underwatertimes	2007-03-27	CA
4734	'No debate' that fish farms kill wild salmon, says B.C. scientist	CBC News	2006-10-20	CA
4735	A Swarm of Biologically-inspired Little Underwater Explorers	harvard	2021-01-15	US
4736	Scientists discover electric eels hunting in a group	Smithsonian	2021-01-14	BZ
4737	Robot fish equipped with tiny cameras could change ocean rescues	ctvnews	2021-01-13	CA
4738	The B.C. fish you've likely never heard of that's confounding trawlers and officials	CBC News	2021-01-03	US
4739	Thai Fishermen Break Ranks, Vow to Resume Hunt of Endangered Mekong Catfish; 'We Need to Make A Living'	underwatertimes	2006-03-04	TH
4740	Despite rescue effort, Maine salmon may be facing extinction	underwatertimes	2006-01-31	CA
4741	One fish, two fish: New sensor improves fish counts	underwatertimes	2006-02-02	US
4742	Scientists: Evolutionary Origin of Fins, Limbs Discovered; 'This Confirms a Lovely Idea'	underwatertimes	2006-07-26	US
4743	Study: Great Lakes' Salmon Failing To Thrive Because of 'Junk Food' Diet	Underwatertimes	2006-05-21	US
4744	Warming Swiss rivers threaten fish stocks	swissinfo	2020-12-31	CH
4745	European chub named Fish of the Year	swissinfo	2021-01-02	CH
4746	First as Brit Pair's Carp Conquers Japanese Koi Show; 'Our Fish is Superb'	Underwatertimes	2006-02-04	UK
4747	Researcher: 'Two-Mouthed' Trout Caused by Injury, Not Genetics	underwatertimes	2006-02-08	US
4748	Biologists dispute fish farm study that says farmed salmon can coexist with real salmon	alaskareport	2006-08-03	CA
4749	Study: Protein Myglobin Key to Common Carp's Ability to Survive with Little Oxygen	Underwatertimes	2006-06-01	UK
4750	Skipper nets 'miracle' swordfish	bbc	2006-08-08	UK

189 of [218 - pages.]