Colossal Squids by Raina Mooncrest

Colossal Squids explores the mysterious world of these elusive deep-sea creatures and their slightly smaller cousins, the giant squids, highlighting their biology, behavior, and the scientific challenges they present.
The book addresses the fundamental biological aspects of colossal squids, including their anatomy, physiology, and genetics, offering insights into adaptations to extreme deep-sea conditions like high pressure and low light.
Readers will discover how colossal squids fit into the marine ecology, their hunting strategies, and their interactions with sperm whales, their primary predators.
Despite decades of squid research, much about these animals remains unknown, illustrating the vastness of the unexplored ocean.
The book starts with an overview of cephalopod biology and taxonomy, then progressively explores hunting strategies, diet, and the largely unknown reproductive behavior of these animals.
A key focus is the ongoing "battle" between colossal squids and sperm whales, analyzing evidence from whale stomach contents and scars.
The book concludes by examining the technological and logistical challenges of studying these deep-sea animals, including the use of remotely operated vehicles (ROVs).