What Animals Do Not Have Bones?

Invertebrates are defined as animals without bones. Numerous distinct animal species, including jellyfish, slugs, snails, coral, mussels, crabs, lobsters, and butterflies, are classified as invertebrates. These animals have a vast range of morphological traits, but one thing they all have in common is that they lack bones.

There are many places on earth where invertebrates can be found, albeit some are more widespread than others. Some of the most common species of animals without backbones are jellyfish, slugs, and snails, while others, like flatworms, ticks, and tapeworms, are more covert. While some invertebrates spend the majority of their time on land, others spend their whole life in aquatic habitats like lakes, rivers, oceans, and streams.

Although jellyfish are an invertebrate species that only inhabits water, they can be found in a variety of settings. Others spend their time in freshwater settings, while some like warm waters and flourish in saltwater.

Jellyfish varies significantly in size. Some are quite little and grow to be around a half dollar in size when fully developed, like moon jelly. Others, like golden jellyfish, are bigger and can reach adult sizes of little more than 5 inches.

Freshwater lakes are home to varieties of golden jellyfish, which typically congregate in groups known as colonies. Golden jellyfish migrate and follow the path of the sun in the morning and evening, like many other jellyfish do.

Misha Khatri
Misha Khatri is an emeritus professor in the University of Notre Dame's Department of Chemistry and Biochemistry. He graduated from Northern Illinois University with a BSc in Chemistry and Mathematics and a PhD in Physical Analytical Chemistry from the University of Utah.


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