Some folk traditions claim that the Sirena carry their victims under the sea, sacrificing them to water deities.
Other stories claim that the Sirena pretend to need rescuing from drowning, luring men into the sea, but proceed to squeeze the life out of any man who falls prey to their hoax.
Occasional reports had Sirena grabbing seemingly hypnotized humans and drowning them or taking them underwater.
[4] Dugongs, sea turtles, and small cetaceans like dolphins usually accompany the Sirena.
Many Pangasinan myths describe Sirena who drown fishermen and warriors who worship Apo laki.