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Rockworm

Marphysa sanguinea

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The Anaconda of the Sea

The Rockworm (or Cordella in Italian) is a bait that inspires awe with its size.

It is a worm that can reach great lengths, resembling a cord or a small snake.

It is the heavy artillery for fishing on difficult, rocky bottoms (Rock Fishing) and for Surf Casting when targeting large game.
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🔍 Description and Characteristics
It has a pink to red color, and its body is flat and extremely long.

It lives in sand and mud. What sets it apart is its toughness and intense mobility.

It does not break easily and withstands attacks from crabs and small fish.

A note on its scientific name. Marphysa sanguinea was first described from the English coast and for decades the name was applied to every similar worm worldwide. Recent genetic work showed it is in fact a group of several closely related species, so the Rockworm sold around the Mediterranean may well belong to a different member of that group. It changes nothing for the fishing, but it does explain why Rockworms from different suppliers do not always look alike.

🪝 Baiting Technique and Equipment
Due to its length, the Rockworm is cut into pieces.

The Baiting: We cut a piece of 10-15 centimeters (always starting from the tail so that the rest remains alive).

We use a baiting needle to pass it onto the hook.

Appearance: Once in the water, the piece continues to twist and move vigorously, visually provoking the fish.

Hooks: Large, strong hooks are the only way to go, as the fish that will attack the Rockworm are not small.
🎣 Targets and Catches
The Rockworm is for black and strong fish.

White Seabreams (especially the large ones) adore it.

It is an excellent bait for Groupers, Mottled Groupers, and Brown Meagres when fishing near rocks.

Also, large Gilthead Seabreams and Meagres will be lured by its movement and volume.
⚖️ Pros and Cons
Positives: It is a bait of great endurance and selectivity.

It excludes tiny fish and lasts for a long time in the water. A single worm can provide many baits.

Negatives: It does not have the intense smell of blood like the American Bloodworm or the Sardine, so it relies mainly on sight and movement.

Also, it is not readily available at all tackle shops.
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