Figure 6: Vortex generation and particle concentration in paddlefish preserved in suspension-feeding position. | Nature Communications

Figure 6: Vortex generation and particle concentration in paddlefish preserved in suspension-feeding position.

From: Fish mouths as engineering structures for vortical cross-step filtration

Figure 6

(a) Tracer dye visualization of vortex generated directly downstream of the backward-facing step formed by the first branchial arch on the fish’s left side. (b) The vortex concentrated Artemia cysts on the mesh primarily in zone 3 of the slot, directly downstream of the first branchial arch. Ar, Artemia cysts; BA, branchial arch; Me, mesh; Vo, vortex. Scale bars, 0.5 cm.

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