Two new crocodile species discovered. They are different from others
The team analysed the genetic sequences of crocodile populations from Cozumel and Banco Chinchorro and compared them to sequences of crocodiles across the Caribbean, Central America and Mexico's Pacific coast.
The newly identified species live in small, isolated populations. (Photo: Getty)
They discovered striking levels of genetic differentiation that led the researchers to conclude that these populations were not simply variants of Crocodylus acutus. "Biodiversity is disappearing faster than we can discover what we're losing. Most species of crocodiles are already endangered, and rapid shoreline development threatens nearly every population. Our research aimed to uncover the true diversity of crocodiles on these isolated islands," Biology Professor Hans Larsson, the principal investigator said.advertisementHe added that these results were unexpected. "We assumed Crocodylus acutus was a single species ranging from Baja California to Venezuela and across the Caribbean. Our study is the first to extensively explore genomic and anatomical variation in these animals," Larsson said. The newly identified species live in small, isolated populations, each numbering fewer than 1,000 breeding individuals. While both populations appear stable, their limited numbers and habitat restrictions make them vulnerable."Now that we recognize these crocodiles as distinct species, it's crucial to protect their habitats. Limiting land development and implementing careful conservation strategies on Cozumel and Banco Chinchorro will be key to ensuring their survival," Larsson said.
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