Dolphin (Mahi Mahi) Ruler


This is the original Mahi Ruler by Release Ruler

  • DIMENSIONS – the Mahi ruler is 2″ wide x 66″ long and can record mahi up to 80 lbs.
  • ACCURATE – Each ruler is made of PVC vinyl which is dimensionally stable and flexible.
  • FISH SCALE – A bonus feature is the patented weight estimation based on the growth scale for mahi. No other ruler offers this innovation.
  • VIVID COLORS – our award winning graphic design offers fisherman the quickest ruler measurement, highest fin to ruler contrast and the best option for catch, photo and release.
  • Made in the USA
  • Easy to use
  • Includes current regulations
  • Heavy duty long lasting
  • Non Corrosive
  • Measures 2 x 66-inches
  • 100% Satisfaction Guaranteed


The Mahi Ruler was designed to measure Mahi. The contrasting color combinations of the ruler provide easily readable measurements. Don’t have a scale handy? The Release Ruler is the ruler to measure not only the length of your Dolphin (Mahi Mahi), but also provide the estimated weight based on scientific data for the average sizes of Dolphin (Mahi Mahi). The ruler is a durable PVC coated vinyl. 100% Satisfaction Guaranteed. For comments or questions e-mail: 

Additional information


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