The largest invertebrate, a spineless creature, in the world is ____________.

By Mandeep Kumar|Updated : August 5th, 2022

1. Cuttle Fish

2. Giant Squid

3. Octopus

4. Colossal Squid

The animals without a backbone or bony skeleton is called invertebrates. They lack a vertebral column, or backbone, in contrast to the cartilaginous or bony vertebrates. They are cold-blooded animals and can live on land or in water.

Answer: Colossal Squid is the largest invertebrate, a spineless creature, in the world.

It is a part of the Cranchiidae family. The largest Colossal Squid was captured in 2007 and weighed 495 kilograms. Its total estimated length is between 33 feet and 46 feet. Colossal Squid is also known as Antarctic squid or giant cranch squid.

5 Characteristics of Invertebrates

Following are the five characteristics of invertebrates:

  • The main difference between vertebrates and invertebrates is the absence of a vertebral column (backbone) in invertebrates.

  • Their cells fire in response to the stimuli such as high temperature, tissue trauma, or changes in pH.

  • They possess an open respiratory system that encompasses tracheae, tracheoles, and spiracles.

  • Neurons are identified in most of invertebrate species.

  • A wide range of invertebrates reproduces partly through sexual reproduction while others are capable of asexual reproduction.

Summary:

The largest invertebrate, a spineless creature, in the world is ____________.

The largest invertebrate, a spineless creature, in the world is the Colossal Squid.

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