Biologists have long observed that when animals colonize and evolve on isolated islands, small animals tend to become larger while large animals tend to become smaller. Recent research lead by MBARI Postdoctoral Fellow Craig McClain suggests that a similar trend affects animals as they adapt to life in the deep sea.
An international team of scientists recently announced the discovery of a new species of blind deep-sea crab whose legs are covered with long, pale yellow hairs. This crab was first observed in March 2005 by marine biologists using the research submarine Alvin to explore hydrothermal vents along the Pacific-Antarctic ridge, south of Easter Island.
The world’s oceans harbor a wide variety of squid, from 10-centimeter-long market squid to the elusive giant squid, which may grow to over 20 meters in length. Based on decades of observations, marine biologists assumed that all of these species of squids laid their eggs in clusters on the sea floor, where the eggs developed and hatched without any help from their parents.