Fishermen Advocates: Disclosing Forgery in Fishing Industries




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Design of signalling color patterns in fast-moving objects, including blades of spinning lures, must be grounded upon the following 4 basic rules:

1) stimuli must be bilaterally symmetric

2) color stimuli must be located closer to the center of rotation

3) red colors are rather than blue ones

4) stimuli must be simple

For more information, see On the coloration of fast-moving signalling stimili in the nature

In the water, blades of spinning lures form clearly visible conical bodies of rotation with an angle of rotation, depending on spinner construction and velocity of retrieving, from 30o to 60o. The linear velocity of any spot located at R distance from the axis of rotation is v = 2πR/T, where T is an interim of one turn. If, say, the blade makes one turn per second and R = 0,5 cm, the linear velocity of this spot will be about 3 cm/sec. Generally, blades of spinning lures may make several turns per second, and rotation radii of spots may achieve 2-3 cm for lures of middle size. It means (for general principles, see Stojcev et al., 2011) that fish will see as flashing and colored only those spots, which are located as close as possible to the axis of rotation (with the lowest v).

For example, click here to see how Mepps spinners move (at the constant velocity) in the water.

According to the laboratory experiments (Gehres & Neumeyer, 2007; Stojcev et al., 2011), fish (goldfish, Carassius auratus) see fast-moving (7 cm per second) red and blue discs as colorless.

Figure given bellow shows some color pattrens desined on the ground of the foregoing rules.

These patterns can be used for face (convex) and back (concave) surfaces of the blades.

Curently, we are looking for world manufacturers to produce spinning lures with the foregoing and similar color patterns.

All rights reserved, © 2012

Address to Dr. Nick Yurchenko at

Basic References

Gehres M.M., Neumeyer C. 2007. Small field motion detection in goldfish is red-green color blind and mediated by the M-cone type. Visual Neuroscience 24, 399-407

Stojcev M., Radtke N., D'Amaro D., Dyer A.G., Neumeyer C. 2011. General principles in motion vision: Color blindness of object motion depends on pattern velocity in honeybee and goldfish. Visual Neuroscience 28, 361-370

Category: Lures | Views: 888 | Added by: nickyurchenko | Date: 2012-08-04

Blue Fox company offers spinning lures with lots of spotted blades under the mark Vibrax Hot Pepper.

Other producers of spinning lures use the same or similar design patterns.

For decades, these patterns are considered as classic: the effectiveness of them is taken for granted, not qualified or verified. However, direct comparisons in the field of spinning lures with spotted blades and plain blades do not confirm clearly this banality.

An objective of tests described below was to compare these lures using schooling perch, Perca fluviatilis, in the capacity of test objects.

Spinning lures of two types, Vibrax Hot Pepper #1 with black-yellow ring spots on silver blades (SYB) and silver Vibrax Original without spots (S), were compared in the field.

At each estimated locality of perch, 20 presentations (cast and retrieving) of lures were made: 5 with SYB, 5 with S, 5 with SYB and 5 with S. Then an experimentator moved to the other locality, where 20 presentations of the compared lures were made in the reverse order. In total, 220 lure presentatations per 1 day were made, 43 perch were included in the calculation (see Table, null and equal results for SYB and S lures were canceled).

For comparison, the number of landed perch were group per each 10 lure presentations (180 lure presentations were included in the calculation).

Vibrax Original #1
silver blade without spots

Vibrax Hot Pepper #1
silver blade with black spots

Total number of landed perch

Total number of landed perch

Mean number
per 10 lure presentations

Mean number
per 10 lure presentations

Lures had the same brass cores with slver bells

Perch were released. Some landed and released Northern pike, Esox lucius, were no included in the calculation.

At the first glance, it seems that lures with spotted blades are slightly more effective (on an average, 2,67 perch per 10 lure presentations) than lures with plain blades (2,11 perch). However, an estimation of mean difference with the assistance of Student’s t-test does not confirm this hypothesis (n1 = 9, n2 = 9, k =16, t ... Read more »

Category: Lures | Views: 1095 | Added by: nickyurchenko | Date: 2012-07-30

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