Answer · Loch Ness

Acoustic artefacts or transient objects (fish schools, thermocline returns, side lobes, debris).

Still possibleAnswers 1 questionDeduced0

Where it stands

Still possibleIts tests haven't settled it: one piece of evidence for, none against. It needs two reviews to be accepted.

What it predicts

Contacts appear on one sonar and not on another observing the same water.
Contact strength and position fit known artefact patterns for the equipment used.

What would rule it out

The same contact tracked consistently on independent sonars.

Evidence 1 for · none against

Most sonar expeditions have reported echoes they did not understand.

Suggestive

FOR

The questions it answers

What were the unexplained deep sonar contacts?

Part of Does Loch Ness hold a large animal unknown to science?

Open4 answers, none ahead

Cite it

Mysteries Department. (2026). Acoustic artefacts or transient objects (fish schools, thermocline returns, side lobes, debris). [Answer ANS0CRFXJ4P341Q]. https://mysteriesdept.com/r/ANS0CRFXJ4P341Q

@misc{mysteriesdept_ans0crfxj4p341q,
  title     = {Acoustic artefacts or transient objects (fish schools, thermocline returns, side lobes, debris).},
  author    = {{Mysteries Department}},
  year      = {2026},
  note      = {Answer, catalog key ANS0CRFXJ4P341Q},
  url       = {https://mysteriesdept.com/r/ANS0CRFXJ4P341Q}
}