## Categories

- **Whales, Shackles & Waves**  
  Marine Life  
  Humpback whale vocalizations and ocean waves  
  Duration: 2:00  
  [Listen Here](https://underwater-sound-library.sofarocean.com/sounds/1-whales_shackles_waves)

- **Fast Moving Vessel**  
  Man-Made  
  Motorized vessel passing overhead  
  Duration: 1:00  
  [Listen Here](https://underwater-sound-library.sofarocean.com/sounds/2-fast_moving_vessel)

- **Pings & Dolphin Whistles**  
  Marine Life  
  Anthropogenic pings accompanied by dolphin whistles  
  Duration: 0:30  
  [Listen Here](https://underwater-sound-library.sofarocean.com/sounds/13-pings_dolphin_whistles)

- **Baseline (Regular Chain)**  
  Earth  
  Natural environmental baseline recording with regular mooring chain  
  Duration: 1:18  
  [Listen Here](https://underwater-sound-library.sofarocean.com/sounds/14-baseline_regular_chain)

- **Baseline (Quiet Chain)**  
  Earth  
  Natural environmental baseline recording with Sofar’s Quiet Chain technology  
  Duration: 1:18  
  [Listen Here](https://underwater-sound-library.sofarocean.com/sounds/15-baseline_quiet_chain)