... of fish locomotion are misleading. In this study, we first examine axial swimming from the two-dimensional viewpoint, detailing the limitations of this view. Then we present data on the kinematics and hydrodynamics of the dorsal fin, the anal fin and the caudal fin during steady swimming and maneuvering...

... to roll. In this paper we examine the hydrodynamics of trout anal fin function and hypothesize that anal fins,located below the fish's rolling axis, produce similar jets to the dorsal fin and help balance rolling torques during swimming. We simultaneously quantify the wake generated by dorsal and anal...

... their pectoral fins more than bluegill during braking. Both species abduct their anal fins greatly after prey capture. Fig. 5. Mean (± s.e.m.) pectoral (A) and anal (B) fin angles in 20 ms bins from 100 ms prior to maximum gape to 60 ms after maximum gape for bluegill sunfish (red circles) and largemouth bass...

... , from the trailing edges of the dorsal and anal fins to the near wake. Simultaneous particle image velocimetry and kinematic measurements were performed during swimming at 1.2 body lengths s –1 to describe the streamwise vortex structure, to quantify the contributions of each fin to the vortex wake...

...E. M. Standen; G. V. Lauder SUMMARY Dorsal and anal fins are median fins located above and below the centre of mass of fishes, each having a moment arm relative to the longitudinal axis. Understanding the kinematics of dorsal and anal fins may elucidate how these fins are used in concert...