Monofilament

A single strand of nylon. Cheap, forgiving, stretchy, and floats. The classic beginner line and still the best choice for treble-hook baits and topwater.

When to use it

Beginners
Topwater and treble-hook baits
Live bait with a bit of give
Reel backing

Strengths

Inexpensive
Stretch forgives mistakes and cushions hooksets
Easy knots
Floats (good for topwater)

Weaknesses

Stretch kills sensitivity at distance/depth
Weakens in UV over time
Larger diameter than braid

Key facts

Best species: Panfish, trout, bass on cranks/topwater, surf bait

Underwater visibility: Moderate — clear/low-vis colors help

Stretch: High

Abrasion resistance: Good

Casting: Good

Knot notes: Excellent — very knot-friendly

Common mistakes

Leaving mono on the reel for years until it's brittle
Expecting braid-like sensitivity