Blue Jigsaw Triggerfish - Pseudobalistes fuscusBlue Jigsaw Triggerfish (Pseudobalistes fuscus) The Blue Jigsaw Triggerfish, Pseudobalistes fuscus, is a powerful and striking Indo Pacific triggerfish with a bold blue, green and grey body pattern that can appear like interlocking lines or jigsaw markings, especially in younger specimens. Also known as the Blue Triggerfish, Blue lined Triggerfish, Rippled Triggerfish or Yellow spotted Triggerfish, this species is hardy, intelligent and full of