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Mexican fishermen join fight to save extraordinary amphibian

Mexican fishermen join fight to save extraordinary amphibian

Kuwait Times5 days ago
After decades working as a fisherman on a high-altitude Mexican lake, Froylan Correa is now helping to save an endangered amphibian with gills resembling a lion's mane and a remarkable regenerative ability. The achoque, also known as the Lake Patzcuaro salamander, is a lesser known relative of the axolotl, the small friendly-faced amphibian battling extinction in Mexico City. Overfishing, pollution and reduced water levels in Lake Patzcuaro, its only natural habitat, mean that the achoque is listed as critically endangered by the International Union for Conservation of Nature.
In an attempt to prevent it disappearing, biologists from Michoacana University decided to pay the local Indigenous community of San Jeronimo Purenchecuaro to help the achoque to reproduce. Correa, who knows the lake in the western state of Michoacan like the back of his hand, has a new job as an amphibian egg collector. Now in his 60s, he remembers when the waters teemed with fish and there was no need to worry for the salamander. 'There used to be a lot of achoques,' he told AFP. 'Now the new generation doesn't know about it.'
Israel Correa works at the Achoque Protection Reserve in the community of San Jeronimo Purenchecuaro on the shores of Lake Patzcuaro in San Jeronimo Purenchecuaro, Michoacan state, Mexico.--AFP photos
Biologist and researcher Rodolfo Perez Rodriguez works in his laboratory with specimens of achoque (Ambystoma dumerilii) collected from Lake Patzcuaro.
View of achoques (Ambystoma dumerilii) at the Achoque Protection Reserve.
This aerial view shows the Achoque Protection Reserve in the community of San Jeronimo Purenchecuaro on the shores of Lake Patzcuaro, Michoacan state, Mexico.
Israel Correa holds an achoque (Ambystoma dumerilii) at the Achoque Reserve on the shores of Lake Patzcuaro in the community of San Jeronimo Purenchecuaro, Michoacan state, Mexico.
Fisherman Guadalupe Correa and researchers from the Michoacan University of San Nicolas de Hidalgo (UMSNH), monitor Lake Patzcuaro and search for eggs of achoque (Ambystoma dumerilii).
Israel Correa (right) and his brother, Froylan Correa (left), conduct a checkup at the Achoque Reserve on the shores of Lake Patzcuaro in the community of San Jeronimo Purenchecuaro.
This aerial view shows the Achoque Protection Reserve in the community of San Jeronimo Purenchecuaro on the shores of Lake Patzcuaro.
View of achoques at the laboratory of the Michoacan University of San Nicolas de Hidalgo (UMSNH), in Morelia.
Biologist and researcher Rodolfo Perez Rodriguez of the Michoacan University of San Nicolas de Hidalgo (UMSNH) monitors fish traps at Lake Patzcuaro.
View of achoques (Ambystoma dumerilii) at the Achoque Protection Reserve in the community of San Jeronimo Purenchecuaro on the shores of Lake Patzcuaro.
From lab to lake
After the eggs are collected, biologist Rodolfo Perez takes them to his laboratory at Michoacana University to hatch, in the hope of giving the achoques a better chance of surviving. After the hatchlings have grown enough, they are moved to the community's achoque protection reserve, where the fishermen care for them until they are ready to be released into the lake, said Israel Correa, brother of Froylan Correa.
The achoque belongs to the Ambystoma group, keenly studied by scientists for an extraordinary ability to regenerate mutilated limbs and parts of organs such as the brain and heart. If one loses a tail, it quickly grows another. That has made the salamanders a subject of fascination for scientists hoping to learn lessons that could apply to humans.
Since pre-Hispanic times, the achoque has been a source of food as well as a remedy used by Indigenous people for respiratory illnesses. Its skin color allows it to blend into its natural habitat.
Perez is trying to hatch as many eggs as possible with the help of the locals to prevent its extinction. 'It's been a lot of work,' he said, adding that the biggest challenge is finding money to compensate the fishermen, since the achoques require constant care. Collaboration between scientists and the local community has helped to stabilize the achoque population, according to the researchers.
There are an estimated 80 to 100 individuals who live in a small part of the lake, said Luis Escalera, another biologist at Michoacana University. The number, however, is 'much lower than it was 40 years ago,' he said. For the fishermen fighting to save them, it is a labor of love. 'We can't miss a day without coming because otherwise they'll die,' Israel Correa said at the achoque protection reserve on the shores of Lake Patzcuaro. 'Come rain or shine, even if there's a festival, we have to be here.' — AFP
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Mexican fishermen join fight to save extraordinary amphibian
Mexican fishermen join fight to save extraordinary amphibian

Kuwait Times

time5 days ago

  • Kuwait Times

Mexican fishermen join fight to save extraordinary amphibian

After decades working as a fisherman on a high-altitude Mexican lake, Froylan Correa is now helping to save an endangered amphibian with gills resembling a lion's mane and a remarkable regenerative ability. The achoque, also known as the Lake Patzcuaro salamander, is a lesser known relative of the axolotl, the small friendly-faced amphibian battling extinction in Mexico City. Overfishing, pollution and reduced water levels in Lake Patzcuaro, its only natural habitat, mean that the achoque is listed as critically endangered by the International Union for Conservation of Nature. In an attempt to prevent it disappearing, biologists from Michoacana University decided to pay the local Indigenous community of San Jeronimo Purenchecuaro to help the achoque to reproduce. Correa, who knows the lake in the western state of Michoacan like the back of his hand, has a new job as an amphibian egg collector. Now in his 60s, he remembers when the waters teemed with fish and there was no need to worry for the salamander. 'There used to be a lot of achoques,' he told AFP. 'Now the new generation doesn't know about it.' Israel Correa works at the Achoque Protection Reserve in the community of San Jeronimo Purenchecuaro on the shores of Lake Patzcuaro in San Jeronimo Purenchecuaro, Michoacan state, Mexico.--AFP photos Biologist and researcher Rodolfo Perez Rodriguez works in his laboratory with specimens of achoque (Ambystoma dumerilii) collected from Lake Patzcuaro. View of achoques (Ambystoma dumerilii) at the Achoque Protection Reserve. This aerial view shows the Achoque Protection Reserve in the community of San Jeronimo Purenchecuaro on the shores of Lake Patzcuaro, Michoacan state, Mexico. Israel Correa holds an achoque (Ambystoma dumerilii) at the Achoque Reserve on the shores of Lake Patzcuaro in the community of San Jeronimo Purenchecuaro, Michoacan state, Mexico. Fisherman Guadalupe Correa and researchers from the Michoacan University of San Nicolas de Hidalgo (UMSNH), monitor Lake Patzcuaro and search for eggs of achoque (Ambystoma dumerilii). Israel Correa (right) and his brother, Froylan Correa (left), conduct a checkup at the Achoque Reserve on the shores of Lake Patzcuaro in the community of San Jeronimo Purenchecuaro. This aerial view shows the Achoque Protection Reserve in the community of San Jeronimo Purenchecuaro on the shores of Lake Patzcuaro. View of achoques at the laboratory of the Michoacan University of San Nicolas de Hidalgo (UMSNH), in Morelia. Biologist and researcher Rodolfo Perez Rodriguez of the Michoacan University of San Nicolas de Hidalgo (UMSNH) monitors fish traps at Lake Patzcuaro. View of achoques (Ambystoma dumerilii) at the Achoque Protection Reserve in the community of San Jeronimo Purenchecuaro on the shores of Lake Patzcuaro. From lab to lake After the eggs are collected, biologist Rodolfo Perez takes them to his laboratory at Michoacana University to hatch, in the hope of giving the achoques a better chance of surviving. After the hatchlings have grown enough, they are moved to the community's achoque protection reserve, where the fishermen care for them until they are ready to be released into the lake, said Israel Correa, brother of Froylan Correa. The achoque belongs to the Ambystoma group, keenly studied by scientists for an extraordinary ability to regenerate mutilated limbs and parts of organs such as the brain and heart. If one loses a tail, it quickly grows another. That has made the salamanders a subject of fascination for scientists hoping to learn lessons that could apply to humans. Since pre-Hispanic times, the achoque has been a source of food as well as a remedy used by Indigenous people for respiratory illnesses. Its skin color allows it to blend into its natural habitat. Perez is trying to hatch as many eggs as possible with the help of the locals to prevent its extinction. 'It's been a lot of work,' he said, adding that the biggest challenge is finding money to compensate the fishermen, since the achoques require constant care. Collaboration between scientists and the local community has helped to stabilize the achoque population, according to the researchers. There are an estimated 80 to 100 individuals who live in a small part of the lake, said Luis Escalera, another biologist at Michoacana University. The number, however, is 'much lower than it was 40 years ago,' he said. For the fishermen fighting to save them, it is a labor of love. 'We can't miss a day without coming because otherwise they'll die,' Israel Correa said at the achoque protection reserve on the shores of Lake Patzcuaro. 'Come rain or shine, even if there's a festival, we have to be here.' — AFP

Scientists in Mexico develop tortilla for people with no fridge
Scientists in Mexico develop tortilla for people with no fridge

Kuwait Times

time02-06-2025

  • Kuwait Times

Scientists in Mexico develop tortilla for people with no fridge

Peering through a microscope, food scientist Raquel Gomez studies microorganisms that add nutrients and preserve tortillas for several weeks without refrigerators -- a luxury in impoverished Mexican communities. The humble tortilla is a Mexican staple, consumed in tacos and other dishes by millions every day, from the Latin American nation's arid northern deserts to its tropical southern jungle. Most Mexicans buy fresh corn tortillas from small neighborhood shops. The wheat flour version developed by Gomez and her team contains probiotics -- live microorganisms found in yogurt and other fermented foods. As well as the nutritional benefits, the fermented ingredients mean the tortilla can be kept for up to a month without refrigeration, much longer than a homemade one, according to its creators. It was developed 'with the most vulnerable people in mind,' Gomez, a professor at the National Autonomous University of Mexico (UNAM), told AFP in her laboratory. Nearly 14 percent of children under five suffer from chronic malnutrition in Mexico, according to official figures. In Indigenous communities, the figure is around 27 percent. Microorganisms of a probiotic are seen under a microscope. Dr. Raquel Gomez Pliego analyzes the microorganisms of a probiotic under a microscope. Dr. Raquel Gomez Pliego prepares "super tortillas". Dr. Raquel Gomez Pliego removes a tortilla from a press. A tortilla is heated on a stove in Mexico City. Fridges unaffordable The tortilla developed by Gomez is not yet commercially available, but it could benefit people like Teresa Sanchez. The 46-year-old housewife smokes meat using a wood-burning stove in her house with wooden walls and a metal roof. Like most of her neighbors in the town of Oxchuc, in the southern state of Chiapas, Sanchez has no refrigerator, so she uses the methods handed down by her Indigenous Tzeltal ancestors. 'My mother taught me and grandparents always do it this way,' she told AFP. 'Where are you going to get a refrigerator if there's no money?' Less than two-thirds of people in Chiapas, a poverty-plagued region with a large Indigenous population, have a refrigerator -- the lowest among Mexico's 32 states. The average maximum temperature in Chiapas rose from 30.1 to 32 degrees Celsius between 2014 and 2024, according to official estimates. Half of its territory is considered vulnerable to climate change. While Oxchuc is located in a mountainous, temperate area, the lack of refrigerators forces its inhabitants to rely on traditional food preservation methods. 'We think about what we're going to eat and how many of us there are. We boil it, and if there's some left over, we boil it again,' Sanchez said. Sometimes meat is salted and left to dry under the sun. Tortillas are stored in containers made from tree bark. For that reason, Sanchez only shops for the bare necessities, although her budget is limited anyway. 'I don't have that much money to buy things,' she said. A worker handles a tortilla at a street food stall in the Roma neighborhood. A woman eats a taco at a street food stall in the Roma neighborhood. Smoked beef is prepared for preservation due to a lack of refrigerators in the municipality of Oxchuc, Chiapas State, Mexico. Dr. Raquel Gomez Pliego prepares "super tortillas". No preservatives Gomez and her team use prebiotics -- which are mainly found in high-fiber foods -- to feed probiotic cultures and produce compounds beneficial to health, she said. Thanks to the fermented ingredients, no artificial preservatives are needed in the laboratory developed tortilla, Gomez said. That is another benefit because such additives have potentially toxic effects, said Guillermo Arteaga, a researcher at the University of Sonora. One of the most commonly used additives in processed wheat flour tortillas is calcium propionate, which is considered harmful to the colon's microbiota, Arteaga said. Although her tortilla is made from wheat flour -- a type eaten mainly in northern Mexico -- Gomez does not rule out using the same method for corn tortillas, which are preferred by many Mexicans but can go bad quickly in high temperatures. The researchers patented their tortilla in 2023. UNAM signed a contract with a company to market the food, but the agreement fell through. Gomez, who won an award in December from the Mexican Institute of Industrial Property, still hopes to find partners to distribute her tortillas. She is confident that even though they were developed in a laboratory, consumers will still want to eat them. - AFP

A 'fireball' lights up Mexico City skies, sparking awe
A 'fireball' lights up Mexico City skies, sparking awe

Arab Times

time17-04-2025

  • Arab Times

A 'fireball' lights up Mexico City skies, sparking awe

MEXICO CITY, April 17, (AP): A bright object, initially appearing to be a meteorite, lit up the skies over Mexico's capital around 3 a.m. Wednesday, stretching over plains, volcanoes and small towns. Videos of a ball of fire shooting over the Latin American country and dissolving in a burst of light over Mexico City struck awe in many - and quickly became the fuel for memes circulating on social media. "No, the meteorite that exploded last night isn't an excuse to talk to your ex,' someone wrote on X, over a GIF of dinosaurs walking through a meteorite shower. Soon, photos of the fireball edited with cartoon characters and political jokes flooded the internet. Scientists across Mexico were quick to note that the object rocketing across the skies was not a meteorite; it was a bolide. Bolides, defined by NASA as fireballs, are "exceptionally bright meteors that are spectacular enough to be seen over a very wide area.' Mario Rodríguez, a doctor in space science with the National Autonomous University of Mexico, said it could also be described as a meteoroid, or a fragment of a meteor. Bolides like the one that coasted over Mexican skies early Wednesday catch fire as they descend to Earth. "Due to the great pressure on the object, they begin to flash with a stretching tail and emit light,' said Rodríguez, one of a group of scientists studying the videos that shocked many Mexicans. He said unlike meteorites, which impact Earth, a bolide disintegrates in the atmosphere. This particular meteoroid, he said, was around 1.5 meters (5 feet) in length and posed no threat to the public.

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