The Secret Behind the Tender Texture of Fish and the Chewy Bite of Octopus

By. Tri - 21 Aug 2025

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lautnusantara.com_  Seafood has always been fascinating, not only for its flavors but also for its textures. Two popular choices often found on the dining table are fish and octopus. Both come from the ocean, yet they differ greatly in texture. Fish is known for its tender flesh, while octopus is recognized for its chewy bite. But what actually causes this difference

 

 

The Structure of Fish Flesh: Soft and Delicate

The tenderness of fish comes from its short and fine muscle fibers. Fish muscles are arranged in thin layers separated by delicate connective tissue, which makes the flesh break apart easily when cooked.

Another factor is the low collagen content in fish compared to land animals. Collagen is a protein that provides strength and firmness to muscles. Because fish have very little collagen, their flesh cooks quickly, becomes soft, and is easy to digest.

 

 

The Structure of Octopus Flesh: Firm and Chewy

In contrast, octopus has a chewy texture due to its dense muscle fibers and high collagen content. Octopuses rely heavily on their muscles for movement, swimming, and defense, making their muscles strong and elastic. The abundance of collagen results in a firmer, more rubbery bite.

 

 

To achieve a tender texture, octopus requires special cooking techniques. Common methods include simmering for a long time, pounding the flesh before cooking, or using natural tenderizers such as ginger, pineapple, or papaya leaves to help break down the collagen.

 

 

Culinary Differences in Preparation

Because of these textural differences, the cooking process for fish and octopus varies:

  • Fish: Needs only a short cooking time, whether frying, steaming, or grilling. Overcooking fish can make the flesh dry and crumbly.
  • Octopus: Often requires longer cooking or specific methods to soften its texture. When prepared properly, its chewiness becomes a unique culinary delight.

 

The secret behind fish’s tender flesh and octopus’s chewy bite lies in their muscle structure and collagen content. Fish, with its short fibers and little collagen, offers a delicate texture, while octopus, with its dense and collagen-rich muscles, delivers a chewy sensation. Both bring their own charm to the world of seafood, making ocean cuisine rich in diversity and taste. 

 

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