A new section of border wall in southern Arizona will do more than just stop illegal immigration, a nonprofit advocacy group says.

this boundary wall segment “A paved road across Arizona’s California Canyon is blocking water flow that is critical to the survival of one of only two species of Sonora chub in the United States,” a press release from the Center for Biological Diversity said. .

The group said the “rare desert fish” is a “small, slightly fat fish that feeds on a variety of native foods and has a unique and distinct red coloration on its underside when in its breeding state.”

“New walls and roads will push these endangered fish species to the brink of extinction,” Dr. Krista Kempinen, a senior scientist at the Center for Biological Diversity, said in a statement.

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Past and present impacts of a segment of southern Arizona’s border wall on endangered Sonoran silver carp. (Russ McSpadden/Center for Biological Diversity)

“this Survival of Sonora Silver Carp Relying on access to scarce desert water resources on both sides of the border, exchanging genetic material with populations near Mexico and boosting their populations by migrating fish upstream from Sonora after drought. The new construction makes that impossible,” she continued.

The organization drew attention to this matter a few days ago President-elect Donald Trump He will return to office and beef up border security.

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A close-up of the endangered Sonoran silver carp, a “stream-dwelling minnow” typically five to seven inches long. (U.S. Fish and Wildlife Service)

“Designating California Canyon as critical habitat is more urgent than ever to minimize other threats, such as keeping dairy cows out of pools of Sonora chub,” Kempinen said in the statement. “It must also be done in Adding carefully designed culverts to new border infrastructure to allow for at least some degree of natural flow and migration requires federal officials to act now if they really want to save the fish.”

Earlier this month, Trump accused Gov. Gavin Newsom of being more concerned about protecting endangered smelt species than protecting state residents from wildfires, sparking a debate over whether Democrats should Debate rages over responsibility for California wildfires.

President Donald Trump speaks with U.S. Border Patrol Capt. Rodney Scott as he attends a ceremony commemorating the 200th mile of border wall on the international border with Mexico in St. Louis, Arizona, June 23, 2020. (Saul Loeb/AFP)

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Trump sparked an uproar Wednesday when he took to his “Truth Social” platform to accuse Newsom of wanting to “protect an essentially worthless fish” instead of protecting Californians’ water needs. However, these comments are not new. Trump made the claim in an October interview ahead of the November election. Podcaster Joe Rogan.

Neither the Center for Biological Diversity nor the Trump transition team responded to requests for comment for this story.

Fox News’ Alec Schmel contributed to this report.