the “vampire squid from Hell” is likely one of the coolest denizens of the deep. At one-foot long (You thought it was bigger didn’t you?) the fire-y colored invertebrates are also completely covered in light-producing photophores.
This would mean that in many areas of the ocean, the rate of new species added per square kilometer is probably much less than what they found in their sampling area. So, they ended up conservatively estimating the true number at more like 10,000,000 species in the mud. This is still a huge amount of diversity in the deep sea.
While fishing around the island of Tonga we discovered a tangled mother humpback whale with a calf. We hopped in the water to help but had a hard time getting close. We were determined to help this whale, hearing an animal of that