Variations: Fjörulalli (Beach Walker), Fjörulabbi (Beach Roamer), Fjörudýr (Shore Animal), Rauðkálfur (Red Calf), Saeúlfur (Sea Wolf), Skeljalabbi (Shell Roamer), Skeljalalli (Shell Walker)


The name Skeljaskrímsli, “shell monster”, refers to a number of Icelandic shore animals known by a variety of names. Consistent among the accounts are the association with the beach, a hump on the back, and a coat of shells that rattle as the creature walks. Shell monsters have been sighted on the coasts of all the main regions of Iceland, and at least one report (the Glúmsstaðir farm’s in Fljótavík, Hornstrandir) describes a freshwater specimen.

As specified by Hlidberg and Aegisson, the skeljaskrímsli proper is a quadrupedal marine creature, bulky and powerfully built. It is the size of a winter’s old bull calf or a huge horse. The neck is broad, the jaws and teeth impressive, and the eyes reddish. There may be a phosphorescent glow coming from the mouth. The skeljaskrímsli’s tail is long and armed with a lump at the end. The short, strong legs end in circular feet armed with large claws.

The skeljaskrímsli earns its name from the thick reflective coat of shells (or flaky scales) that covers its body. These rattle and scrape against each other as the creature moves, giving warning of its arrival. As the shell monster approaches, its powerful stench also becomes apparent. There is little good to say about the shell monster – even its blood is toxic.

Skeljaskrímslis live in the sea and haul themselves onto shore in the dark moonless nights of the northern winter. Often they can be seen before or after spells of bad weather and storms. They are attracted to light and will leave deep gouges in farmhouse doors. Suffice to say that anyone who encounters one of these surly brutes will be in for a bad time.

Most weapons are useless against a skeljaskrímsli’s formidable defenses. One farmer who battled a skeljaskrímsli managed to keep it at bay until the monster tired and returned to the sea; the farmer was stricken with leprosy for his trouble. Another farmer managed to wound a skeljaskrímsli, but some of its poisonous blood spattered onto him, and he died in agony soon after.

To harm a skeljaskrímsli one must resort to alternative ammunition. Shooting silver buttons, grey willow catkins, or lamb droppings from a gun are the only ways to injure and kill this beast.

The Fjörulalli is the best-known variant of the skeljaskrímsli. It is also the size of a winter’s old bull calf, and has been reported as being smaller, about as big as a dog. A tail may or may not be present, and the head is a small, rounded outgrowth. It is covered with shells or lava fragments that scrape together as it moves. Unlike the larger shell-monsters, these smaller ones are usually harmless. They will, however, tear the udders off sheep, and pregnant women should avoid them lest they negatively affect their unborn babies.


Hlidberg, J. B. and Aegisson, S.; McQueen, F. J. M. and Kjartansson, R., trans. (2011) Meeting with Monsters. JPV utgafa, Reykjavik.


  1. This beast reminds me of some things:

    1. The martian beast in The Dweller In the Gulf” by Clark Ashton Smith: turtle-like, shelled, and makes a creepy scraping sound…
    2. The silicon-based Horta from Star Trek: also turtle-shaped and makes a creepy scraping sound.
    3. The Bulette or Landshark from Dungeons & Dragons.
    4. The Glyptodon, the ice-age beast like a giant armadillo.
    5. The Rattle-Back from the tv series The Future Is Wild: it rattles…


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