The creature was discovered along the shoreline of Luis Siret Beach in Villaricos, yesterday.
A woman first discovered the head and then found the body farther down the beach, according to ThinkSpain.Com.
"A lady found one part and we helped her retrieve the rest. We have no idea what it was. It really stank," said Maria Sanches, the civil protection coordinator for nearby Cuevas del Almanzora.
The Loch Ness Monster is a cryptid, a large unknown animal that inhabits Loch Ness in the Scottish Highlands.
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Others believe it was a mutant fish or some sort of shark species. The best guess is that it is an oarfish, Grind TV reported.
"It's hard to know what we're dealing with. It's very decomposed and we cannot identify what it is," a PROMAR (Programa en Defensa de la Fauna Marina-Sea Life Defense Programme) spokesman Paco Toledano told Ideal.Es Ameria, according to the report.
As far as the horns of the creature are concerned, Toledano said they are actually bones that have fallen out of place.