The patented WVB is only available through Fly Fishers International. They are available for purchase to fisheries professionals, cooperating organizations and individuals as a tool to enhance fish stocks in the wild through egg planting. Whitlock-Vibert Boxes are also used for research purposes, including sediment studies, and for educational purposes like classroom presentations.
The top try of the box is filled with fertilized eggs. The box is then planted in a stream. The eggs develop and hatch within the top chamber of the box. Once the sac fry have hatched, they can slip through the slots of the top chamber to the bottom nursery chamber. Within the nursery chamber, the sac fry absorb their yolk sac, start to swim, and eventually leave the chamber through the box’s outer slots. The slots surrounding the egg chamber are 3.5 x 13 mm on the top and bottom, and 2 x 2 mm on the sides.
Please refer to the to the complete Whitlock-Vibert Box user’s manual for further details. Click here to view the manual.
In 1988, a group of researchers from the University of Wyoming discovered that modified Whitlock-Vibert boxes (WVB) were effective tools for sediment studies. Modified WVB have proved to be an inexpensive and convenient alternative to traditional methods and many researchers have adopted the protocol 1. Below is a roughly summarized account of the protocol:
When these procedures are followed, results have been found to be comparable to those of a McNeil core sample.
Sales of the Whitlock-Vibert Boxes support the conservation efforts of Fly Fishers International. We appreciate your support and your work in the field to ensure future generations have the opportunity to enjoy our natural habitats. Please use the link below to access the order form and note that appropriate govermental agency approval will be required.
Whitlock-Vibert Box Order Form (fillable PDF, save & e-mail) Please note: you must download the form to your device to be able to use the fillable fields.
Please direct your questions to Nikki Loy by calling 406-222-9369 X 110 or e-mail at firstname.lastname@example.org.