Ultraviolet sensitive fishing attractor flashers and anchovy teaser heads that glow under UV light are used when trolling Stock Photo - Alamy

Flasher light hi-res stock photography and images - Page 4 - Alamy

Jellyfish fishing hi-res stock photography and images - Alamy

Fish attractor hi-res stock photography and images - Alamy

Uv ultraviolet hi-res stock photography and images - Alamy

Fish attractor hi-res stock photography and images - Alamy

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Salmon Whistle 11 Flasher for Salmon Trolling

Ultraviolet sensitive fishing attractor flashers and anchovy teaser heads that glow under UV light are used when trolling Stock Photo - Alamy

Under uv light hi-res stock photography and images - Alamy