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| "" | Scientists Name: Keith A. Jones, PH.D. Specialty: For 18 years, Keith has studied bass intensively as Director of Research at the Berkley Fish Research Center in Spirit Lake, Iowa. The Center is dedicated to the study of bass and other gamefish for the purpose of designing improved lures and baits. <*dv_3*>Keith earned his Ph.D. in Biology at Texas A&M University. |  |
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To catch fish, one must know fish, inside and out. That's why our scientists here at Berkley intend to shed some light on the ever-mysterious lateral line.
<*dv_1*>How the lateral line works
The exact function of the lateral line and what it senses have long been shrouded in mystery. It has been assigned functions as various as detecting light, touch and chemicals to the secretion of slime.
<*dv_0*>In the 1960s, a remarkable scientist named Sven Dijkgraaf argued convincingly that fish must use their lateral lines to detect water motion. This motion can be generated by the fish itself, water currents, or by some external moving object. The lateral line seems adept at detecting the subtle movements of biological sources (small prey fish, for example) located some distance away.
For this reason, Dijkgraaf described the lateral line sense as "distant touch"—the fish literally feels out distant objects by interpreting how they disperse the intervening water.
<*dv_2*>Click on the fish below to further unravel the mystery of the lateral line.
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