Katran Crypton Symbios Colour-Changing Mono Line 1000m Carp Fishing

Katran Crypton Symbios is an innovative monofilament fishing line that changes colour depending on the angle of light. This premium-quality line is engineered for anglers who demand low stretch, high abrasion resistance and reliable knot performance in demanding fishing situations.

The colour-shifting effect allows the line to blend into its surroundings in any water, helping to avoid spooking cautious fish. Because it merges with the environment rather than standing out, it is a practical choice for clear or heavily pressured waters where fish are easily alarmed.

One of the standout characteristics of Crypton Symbios is its very low stretch. This gives a more direct connection to the rig, which can be beneficial when bite indication and hook-setting response matter. The line also holds knots securely, has virtually no memory and resists coiling, so it behaves well on the reel and through the rod guides.

The line is highly resistant to wear and has a smooth, polished surface that helps it glide easily through the rod rings. This makes it well suited to long-distance fishing, where reduced friction can support smoother casting and less resistance during retrieve. The polished finish also helps protect against dust and dirt, keeping the line cleaner for longer.

Special markings are placed every 250 metres, which is useful for spooling, distance control and keeping track of how much line remains on the reel. The line is supplied in a metal tin that protects it from ultraviolet light and mechanical damage during transport and storage.

Crypton Symbios is available in several diameters, allowing anglers to choose the balance of strength and presentation that suits their fishing. The range includes 0.261 mm, 0.286 mm, 0.309 mm and 0.331 mm options, with the 0.261 mm version supplied on a 1250 m spool and the other diameters on 1000 m spools.

Technical Specifications:

Brand – Katran
Model – Crypton Symbios
Product Type – Monofilament Fishing Line
Line Type – Monofilament
Colour – Multicoloured / Colour-Changing
Length – 1000 m (0.261 mm variant: 1250 m)
Available Diameters – 0.261 mm, 0.286 mm, 0.309 mm, 0.331 mm
Breaking Strain – 5.3 kg (0.261 mm), 5.8 kg (0.286 mm), 7.03 kg (0.309 mm), 7.94 kg (0.331 mm)
Stretch – Very Low
Memory – Virtually None
Surface – Polished, Smooth
Abrasion Resistance – High
Knot Strength – Strong Knot Holding
Markings – Every 250 m
Packaging – Metal Tin
Special Features – Colour-Changing, UV-Protective Tin, Low Memory, Smooth Casting
Suitable For – Long-Distance Fishing, Carp Fishing, Coarse Fishing