Fishing Logic & Physics from Japan
RIVOSEA
  • JDM Gear Lab
  • Technique & Logic
  • Japan Fishing Reports
  • Where to Buy
  • Contact
  • JDM Gear Lab
  • Technique & Logic
  • Japan Fishing Reports
  • Where to Buy
  • Contact

JDM Tackle

Technique & Logic

Your Red Lure is Black: The Physics of Light Underwater

Why buy red lures? Physics proves they turn black at 10m. Understand light attenuation and why JDM "Glow" and "Keimura" are essential for deep sea jigging.
2026.01.23
Technique & Logic
JDM Gear Lab

Daiwa 23 Airity 4000XH Review: The Paradox of “Lightness” and the 80cm Yellowtail Test

When Daiwa released the 23 Airity, the fishing world was shocked by one number: 200g (for the 4000XH model).It is a mast...
2026.01.22
JDM Gear LabTechnique & Logic

Archives

  • January 2026

Recent Posts

  • Your Red Lure is Black: The Physics of Light Underwater
  • Your Line is Too Thick: The “Parachute Effect” Killing Your Jig
  • Stop Using Treble Hooks: The “Leverage Trap” Is Killing Your Catch
  • Stop Just Reeling Fast: The Japanese Secret to Triggering Kingfish & Amberjack
  • Daiwa 23 Airity 4000XH Review: The Paradox of “Lightness” and the 80cm Yellowtail Test

Recent Comments

No comments to show.

Categories

  • JDM Gear Lab
  • Technique & Logic
RIVOSEA
  • Contact
  • About RIVOSEA
  • Privacy Policy & Disclaimer
© 2026 RIVOSEA.