Pseudechidna brummeri: An unexpected discovery in the North-East Atlantic raises concerns.

Global changes are currently underway, resulting in the discovery and introduction of new species in unexpected locations. One notable case involves the Indo-Pacific species Pseudechidna brummeri, which was observed and captured on film during a nocturnal dive in Portugal. This situation raises the question: How did this species come to inhabit this area? Two primary explanations appear plausible: Another pertinent question to consider is whether there is only one individual of this species or if there are more individuals present?