Crayfish in a dream: what does it mean?
A freshwater animal built like a small lobster, and in Britain and Ireland now mostly a story about an invasive species eating the native one.
How do the four traditions read it?
Each reading below comes from a named tradition and a cited source, so you can see where it came from and decide what fits your dream. The four often disagree, and that is the point: a symbol rarely means one fixed thing, and the distance between Freud, Jung, modern research and myth tells you more than any single verdict could.
How did Freud read this symbol?
Freud would probably attend to something that goes backwards when startled, since retreat as a first reaction is a shape he would find useful whatever animal was carrying it.
After Freud, The Interpretation of Dreams (Brill trans., 1913), public domain.How did Jung read this symbol?
A Jungian reading might take an armoured creature that lives under a stone in moving water as a small image of something guarded, and would ask what turned the stone over.
Our summary of a Jungian reading, in our own words, not Jung's. See Jung, ed., Man and His Symbols (1964).What does modern dream research say?
This is a childhood image for a great many people, attached to a specific stream and a specific summer rather than to anything eaten. The dream usually brings the place with it.
Our summary of the continuity position. See Hall and Van de Castle, The Content Analysis of Dreams (1966).What do myth and folklore say?
The American signal crayfish was introduced to British waters in the 1970s for food and carries a plague that is lethal to the native white-clawed crayfish while leaving it unharmed. The native species has collapsed across most of its range as a direct result. It is now largely confined to isolated headwaters and a few stocked ponds, and moving one between waters without a licence is an offence.
Rosmerta Publishing editorial synthesis. Our own words; no quoted text.How can writers use this symbol?
The same symbol, read as craft material rather than as a dream. What it does on the page, how genres use it differently, and what happens when you turn it inside out. Written for novelists, screenwriters and poets who need the symbol to actually work, and it ends with something to try.
Where does this appear in literature?
The invasion story is the one worth having: an animal that is not malicious, carrying something it cannot feel, wiping out its own relatives.
Rosmerta Publishing editorial synthesis. Our own words; no quoted text.What does it do in a story?
The armoured thing under the stone.
What are the genre conventions?
A boil in Louisiana, or a child with a bucket.
How to subvert it
Write the licensed trapper whose job is killing them all.
Try this
Two hundred words in a stream, turning over stones.
Only the first of these names a source. What a symbol does in a story, how genres treat it, how to invert it and what to try are our editorial judgement as writers and editors, not findings from a body of research. They are offered as craft opinion and should be argued with.
The books behind these readings
These are the books this entry actually draws on, not a general reading list. Where a text is in the public domain we link the free copy first, because you should not have to pay for something you can read for nothing. Every edition listed has been checked to exist and to be the right one.
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The Interpretation of Dreams
The source behind every Freud reading in the dictionary. This is the 1913 Brill translation we adapt from, and it is free to read online.
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Man and His Symbols
The accessible Jung, and the honest place to start for the archetype material our Jung readings summarise.
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