Sepia General Characteristics
After reading this article you will learn about Sepia General Characteristics
General Characteristics of Sepia
- It is a marine mollusc commonly called cuttle-fish
- Body is distinguished into head, neck and trunk
- Head is round and bears two large and bulging eyes, 4 pairs of small straight and forwardly directed arms and a pair of long, curved and clubbed tentacles
- Collar is reduced and is hidden beneath the trunk
- Trunk bears a thick and broad lateral fin, all along its length
- The shell is internal called “cuttlebone”
- Shell of sepia is used as a source of calcium for pet birds
- An ink gland is present which ejects ink-like fluid as a device to escape from the enemy.
- Sexes separate and development is direct
- In male the left tentacle is hectocotelyzed and is used for copulation
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