Facts about Viperfish

1. 07

   Viperfish larvae possess large eyes that shrink dramatically during development, forcing adult eyes to migrate upward on their skulls as their bodies elongate.

   ViperfishMay 14sharedevelopmentanatomyadaptation
2. 06

   Distensible stomachs in viperfish can expand to accommodate prey nearly as large as their own bodies, enabling them to consume meals that sustain them during extended periods between successful hunts.

   ViperfishMay 14shareanatomypredationadaptation
3. 05

   Deep-sea expeditions have captured viperfish specimens from depths exceeding 5,000 feet, where the species inhabits the bathypelagic zone in near-total darkness and crushing pressures.

   ViperfishMay 14sharehabitatdepthbiology
4. 04

   Viperfish bodies contain minimal muscle and are composed largely of water, allowing them to survive extreme pressure changes while migrating vertically between 600 and 5,000 feet daily.

   ViperfishMay 14sharebiologyadaptationdeep-sea
5. 03

   Viperfish eyes point upward toward the water's surface, an adaptation allowing them to detect silhouettes of prey swimming above in the dimly lit mesopelagic zone.

   ViperfishMay 14shareanatomyadaptationpredation
6. 02

   Photophores along the viperfish's body produce bioluminescent light through chemical reactions, allowing the deep-sea predator to attract prey in waters darker than 3,000 feet below the surface.

   ViperfishMay 14sharebiologybioluminescenceadaptation
7. 01

   Teeth of the viperfish are so large they cannot fully close their mouths, with fangs measuring up to 0.75 inches long relative to their 12-inch body length.

   ViperfishMay 14sharebiologymeasurementadaptation