Surge in Illegal Trade Compounds Super El Niño Threat to Galápagos Marine Iguanas

A coalition of international scientists warns that a rise in black‑market trafficking of Galápagos marine iguanas coincides with a super El Niño event that is wrecking the algae beds the lizards depend on, pushing the sole sea‑feeding reptile toward an unprecedented survival crisis.

The marine iguana (Amblyrhynchus cristatus) lives only in the Galápagos Islands and has evolved a unique ability to graze on marine algae, diving beneath the waves and basking in the sun to control its body heat. Its specialized diet and habitat have turned it into an emblem of the archipelago’s evolutionary heritage.

This year's super El Niño, among the most intense recorded, has shifted sea‑surface temperatures and altered upwelling around the islands, causing a steep drop in the intertidal algae that the iguanas depend on. Researchers on the ground report widespread signs of starvation, diminished breeding, and higher death rates among young iguanas.

Simultaneously, law‑enforcement officials have observed an “unusual uptick” in the illicit capture and export of marine iguanas. Though exact figures are lacking, wildlife authorities have documented several intercepted consignments bound for the exotic‑pet market, where the reptiles are coveted for their rarity.

Conservation biologists warn that the twin pressures of food shortage and heightened poaching could trigger a rapid population collapse, undoing progress made since the 1970s when the species was classified as vulnerable. The disappearance of this keystone animal would also disturb the wider marine ecosystem, which relies on the iguanas’ grazing to keep algal growth in check.

In reply, the Galápagos National Park Service, together with international NGOs, is stepping up patrols, employing remote‑sensing technology to watch iguana colonies, and rolling out public‑awareness campaigns to reduce demand for the animals. Scientists are also evaluating supplemental feeding schemes to alleviate the immediate food deficit caused by the El Niño.

The episode highlights a broader issue: climate‑driven phenomena such as super El Niños are projected to become more common as global temperatures climb, intensifying stress on delicate island ecosystems. Experts contend that safeguarding the marine iguana will demand not only tougher anti‑trafficking actions but also comprehensive climate‑adaptation plans for the archipelago.

With the super El Niño still unfolding and illegal trade networks remaining active, researchers emphasize that rapid, coordinated measures are vital to stop this iconic species from sliding toward extinction.