Fishing Line
Mono, fluoro, braid, and more — with honest strengths, weaknesses, and comparisons.
Fishing Line types
Monofilament
EasyA single strand of nylon. Cheap, forgiving, stretchy, and floats. The classic beginner line and still the best choice for treble-hook baits and topwater.
Fluorocarbon
EasyA dense line that refracts light close to water, making it hard for fish to see. Low stretch, great abrasion resistance, and it sinks — the go-to leader material.
Braided Line
EasyWoven fibers with almost zero stretch and a tiny diameter for its strength. Incredible sensitivity, casting distance, and cutting power — pair it with a leader.
Copolymer
EasyMono's upgraded cousin — multiple nylon materials blended for less stretch and smaller diameter than standard mono, while keeping easy handling and knots.
Wire Leader
ModerateNot a main line — a short bite trace of single-strand or multi-strand wire that toothy fish can't cut through. Essential for mackerel, sharks, and barracuda.
Lead Core Line
ModerateA trolling line with a lead center that sinks to run lures at depth without heavy weights. Color-coded every 10 yards to track how deep you're fishing.
Fly Line Backing
EasyThin, strong line (usually Dacron or gel-spun) that fills the fly reel under the fly line and gives you extra yardage when a strong fish runs past your fly line.
Learn moreHead-to-head
Mono vs Braid
| Monofilament | Braid | |
|---|---|---|
| Stretch | High (forgiving) | Almost none (sensitive) |
| Visibility | Moderate | High — needs a leader |
| Diameter | Thicker | Very thin for its strength |
| Sensitivity | Lower | Highest |
| Cost | Cheapest | Higher |
| Best for | Topwater, cranks, beginners | Sensitivity, distance, cover, depth |
Bottom line: Braid as main line for feel and distance, mono when you want stretch (treble baits/topwater) or a budget spool.
Braid vs Fluorocarbon
| Braid | Fluorocarbon | |
|---|---|---|
| Visibility | High | Very low |
| Stretch | None | Low–moderate |
| Abrasion | Good (cuts on oysters) | Excellent |
| Sinks? | No | Yes |
| Typical role | Main line | Leader (and finesse main line) |
Bottom line: The modern standard: braid main line + a fluorocarbon leader. Braid for casting and feel, fluoro for invisibility and abrasion at the business end.
Fluorocarbon Leader vs Mono Leader
| Fluoro Leader | Mono Leader | |
|---|---|---|
| Visibility | Very low | Moderate |
| Abrasion | Excellent | Good |
| Stretch/shock | Lower | More shock absorption |
| Cost | Higher | Lower |
| Best for | Clear water, wary fish, structure | Topwater, sharp strikes, budget, surf shock |
Bottom line: Fluoro leader when fish are line-shy or near structure; mono leader for topwater, shock absorption, and value.
Line strength by species
| Species | Main line | Leader |
|---|---|---|
| Black Drum | 15–50 lb | 30–50 lb |
| Black Grouper | 65–130 lb | 100–150 lb |
| Blackfin Tuna | 20–65 lb | 40–80 lb |
| Blue Catfish | 20–80 lb | 30–80 lb |
| Bluegill | 2–6 lb | — |
| Brown Trout | 4–10 lb | 6–10 lb |
| Channel Catfish | 10–30 lb | 15–30 lb |
| Crappie | 2–8 lb | — |
| Florida Pompano | 8–20 lb | 15–25 lb |
| Flounder (Southern & Summer) | 8–20 lb | 15–25 lb |
| Gag Grouper | 50–100 lb | 80–130 lb |
| King Mackerel | 20–50 lb | 40–60 lb |
| Largemouth Bass | 8–30 lb | 10–20 lb |
| Mahi-Mahi (Dolphinfish) | 20–50 lb | 40–80 lb |
| Mangrove Snapper (Gray Snapper) | 10–30 lb | 15–40 lb |
| Northern Pike | 10–30 lb | 20–40 lb |
| Rainbow Trout | 2–8 lb | 4–8 lb |
| Red Grouper | 40–100 lb | 60–100 lb |
| Red Snapper | 30–65 lb | 50–80 lb |
| Redfish (Red Drum) | 10–30 lb | 20–40 lb |
| Sharks (Blacktip, Bull, Bonnethead) | 50–130 lb | 100–200 lb |
| Sheepshead | 8–20 lb | 15–25 lb |
| Smallmouth Bass | 6–15 lb | 8–12 lb |
| Snook | 15–50 lb | 30–60 lb |
| Speckled Trout (Spotted Seatrout) | 8–20 lb | 15–25 lb |
| Spotted Bass | 8–20 lb | 8–15 lb |
| Tarpon | 30–80 lb | 60–100 lb |
| Wahoo | 30–80 lb | 60–130 lb |
| Walleye | 6–14 lb | 8–12 lb |
| Yellowfin Tuna | 50–130 lb | 80–150 lb |
| Yellowtail Snapper | 10–30 lb | 15–30 lb |
Ranges are starting points — adjust for fish size, structure, and water clarity.
Quick picks
Cheap, forgiving stretch, easy knots — mistakes cost you less while you learn.
Braid casts far and resists no memory in salt; fluoro leader adds invisibility and abrasion resistance.
Match line to technique — no single bass line does everything well.
Thin braid gives capacity and depth; the top shot adds stretch and abrasion for big fish.
Only wire reliably survives the teeth of mackerel, barracuda, and sharks.