Infestation Levels

Present:

Presence of New Zealand mudsnails has been detected, but Infestation Level is unknown.

None Found:

No mudsnails were observed at the site.

Trace:

Rare: You have to search numerous rocks and wood to find a snail.

Low:

Occasional: Snails are present on some of the rocks and wood, but not all. There are a few clusters.

Moderate:

scattered: Snails are commonly found on rocks and wood at site, but in limited clusters.

High:

Fairly dense: Snails are commonly found. Heavy clusters of snails on most pieces of substrate.