This 6-foot-long, 200-pound catfish is a goliath

This 6-foot-long, 200-pound catfish is a goliath—and makes an epic migration

By Stefan Lovgren

Source: nationalgeographic

3/21/2024

Credit: Professor Dr. Diego Zacardi and MSc. Fabíola Silva

When Ronaldo Barthem began studying the dorado, a type of goliath catfish, in an estuary of Brazil’s Amazon River several decades ago, he was puzzled by the absence of adult fish. Where, he wondered, did the golden-hued animal, which can grow up to six feet long, go to spawn?

Years of investigation revealed a stunning answer: The dorado swims through several countries, all the way to the foothills of the Andes on the opposite side of the continent, to complete its life cycle. The 7,000-mile roundtrip journey is by far the longest migration made by any freshwater fish in the world, according to recently published research in the journal Fish and Fisheries.

Continue...

News Id		Source	Stamp	country
4851	New fish species found off Taitung	taipeitimes	2005-05-28	TW
4852	In River of Many Aliens, Snakehead Looms as Threat	Washington Post	2005-05-28	US
4853	Foiling fugitive fish	innovations	2005-02-21	CA
4854	Scientist finds little surprise lurking at bottom of the harbour	smh	2005-07-11	CA
4855	Sinking Fish May Fast-Track Mercury Pollution to the Deep Sea	eos.org	2020-12-22	US
4856	Mint pollution kills 6,000 fish	bbc news	2005-07-04	UK
4857	How fish hear and make sounds at same time	innovations	2005-04-07	US
4858	Fishy secret of why men attract	bbc news	2005-03-22	UK
4859	Researcher Focuses on Atka Mackerel	NOAA	2005-03-18	US
4860	'Cowardly and selfish' act hits Turtles Kingston conservation effort		2020-08-24	CA
4861	Where goldfish come from	CNN/Money	2005-03-21	US
4862	Multiple genes permit closely related fish species to mix and match their color vision	eurekalert	2005-10-10	UK
4863	Angler floored by monster catch	bbc news	2005-08-01	UK
4864	Haddock catch plan sparks anger	bbc news	2005-10-21	UK
4865	Ban on long-line commercial fishing may be lifted / Restyled hook won't spare sea turtles, opponents contend	sfgate	2005-08-05	US
4866	New species are being found in record numbers in the river. Now TV viewers have a chance to name one of them	theguardian	2005-04-03	UK
4867	Criminal probe into Barents chase	bbc news	2005-11-01	UK
4868	Fish reveal hidden depths	theguardian	2005-04-15	UK
4869	Scientists call for urgent action to save Atlantic tuna	theguardian	2005-04-28	UK
4870	Some fish like it hot	abc news	2005-04-27	NZ
4871	Tuna fears exaggerated	starbulletin	2005-04-30	US
4872	Quarter of Irish sea cod 'illegal'	bbc news	2005-12-07	IE
4873	'Splash' R.I.P.; Former World Record Blue Catfish Turns Fins Up	underwatertimes	2005-12-09	US
4874	Risk assessments urged for fish escaping from net-pen aquaculture	innovations-report	2005-03-05	US
4875	How an Israeli scientist changed the piscine world	clevelandjewishnews	2005-12-08	IL

194 of [220 - pages.]