The deep sea is awfully cryptic ... the science team overturned chunks of volcanic crust, discovering cave systems teeming with worms, snails, and chemosynthetic bacteria living in 75 degrees ...

Thanks to a yellow pigment that filters out sunlight, barreleyes can't be fooled by a common deep ... deep sea fish, and they all have the same, unique mutations Golden scaleless cave fish ...

Scientists recently filmed a super-rare, ultra-black anglerfish lurking like a living shadow in the deep sea ... deep-sea creature with parasite pig tails Golden scaleless cave fish discovered ...