Glossary

Terms

LiDAR

A sensor that measures distance by timing pulses of light reflected back from a surface.

Total length

The length of a fish from the front of the snout to the end of the tail.

Catch and release

Returning a fish to the water alive after landing it.

Bag limit

The number of fish of a species one angler may keep in a day.

Slot limit

A protected length range: fish inside the slot must be released.

Solunar periods

Times of day predicted to have more fish activity, based on the positions of the sun and moon.

Public land

Land owned or managed by a government agency and, in many cases, open to the public.

On-device AI

A machine-learning model that runs on the phone itself rather than on a remote server.

Sources for this entry

1. CatchVault official website: Company-published feature pages, species guide and state rule summaries.

Practical guidance is original editorial writing. App details come from the developer’s published descriptions, checked 7 November 2026.

Continue this reading path

How the related websites connect

This reference is published alongside CatchVault. Its state rules, license guides, species profiles and per-water pages live on the CatchVault website.

Cite this entry

Best Fishing Apps. “Glossary.” Content reviewed 7 November 2026.