Sergeant Major Fish. Hydrophone recording. Churrs (produced by vibrating swim bladder) 1m12s, 1m27s, 2m06s & 2m40s. Scraping sounds (from grinding teeth) 0m40s, 0m48s, 0m57s & 2m10s. Also many clicks from shrimp. N.B. Exact date of this recording is unknown. Distant engine noise at end of recording. Bunaken National Marine Park, Sulawesi