I put out a call seeking information about these events and was sent amongst other things the following pictures. I have a link for two, but not the last. Can you help?

A recent Sky offering, 'Proof Positive' presented by Amanda Tapping, suggests that these images are artefacts of the photographic process. Does anyone beg to differ?

"Cave of swallows" rod.

< < < Direction of travel < < <

A Scottish rod.

"Anomalocaris, which has similarities in appearance to
the giant squid which uses lateral membranes to swim."