Reproduction and Development in Mollusca

2%),hermaphroditism ( 1%),and bisexuality ( 68%).
This book is a comprehensive exploration of molluscs' unique features, including reproduction, development, and sexuality, covering various aspects from aplacophorans to vampyromorphic cephalopods.

Format: Paperback / softback
Length: 320 pages
Publication date: 31 March 2021
Publisher: Taylor & Francis Ltd

1%),hermaphroditism ( 1%),and bisexuality ( 1%).
This book is a groundbreaking endeavor that seeks to comprehensively unravel the remarkable characteristics of mollusks, encompassing nearly every facet of their reproduction and development, from the aplacophorans to the vampyromorphic cephalopods. Mollusks stand out as unique creatures due to their distinctive protective external shell, which serves as a formidable defense mechanism. Additionally, they possess defensive inking, which aids in their protection against predators. Mollusks exhibit a remarkable geographic distribution, ranging from the depths of 9,050 meters to altitudes of 4,300 meters, showcasing their adaptability to diverse environments. Their gamete diversity is another remarkable feature, with various species producing different types of gametes. One fascinating aspect of mollusks is their use of nurse eggs and embryos to accelerate the initial few mitotic divisions in embryos. This unique reproductive strategy contributes to their rapid growth and development. Additionally, certain mollusks possess the natural occurrence of androgenic compounds in their tissues, which play important roles in their reproductive processes. Mollusks also exhibit remarkable feats of gigantism, resulting from elevated ploidy levels. Furthermore, their mitochondrial genomes play a complementary role in sex determination by nuclear genes, adding another layer of complexity to their reproductive biology. Mollusks also possess the ability to uptake and accumulate steroid hormones from their surrounding waters, which further influences their physiological processes and behavior.

Sexuality in mollusks is diverse and complex, with gonochorism (24%), protandry (1%), hermaphroditism (1%), and bisexuality (1%) being the predominant forms. Each of these sexual systems has its own unique characteristics and adaptations, contributing to the remarkable diversity of the mollusk species.

In conclusion, this book provides a comprehensive and insightful exploration of the unique features of mollusks, shedding light on their reproductive and developmental processes, geographic distribution, sexuality, and other biological aspects. It serves as a valuable resource for researchers, students, and enthusiasts alike, contributing to our understanding of the fascinating world of mollusks.

Weight: 558g
Dimension: 234 x 156 (mm)
ISBN-13: 9780367782061