Scientific name: |
Atyaephyra desmaresti |
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German name: |
Freshwater shrimp |
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Origin / spreading: |
actually, from sweet areas and brackish water areas of the Mediterranean area (North Africa and Südeuropa) now also in Germany, Belgium and Holland and a. River meadow 30 km northwesterly from Freiburg, the Rhine, lip canal, rope(clothes line), medium land canal |
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Description: |
Mostly clear coloured; brown and blue colourings are also possible for it; the shrimp(prawn) can change the colouring in the course of her(their) life. In colour all together very variably. Rust rum with from 20 to 25 small(little) movable stings(prickles), front part of the unteredge with 5-8 to bigger teeth |
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Gender differences: |
Females greater than the little man(male). |
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Size of the females in mm: |
4 cm |
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Size of the little men(the males) in mm: |
on average 23 |
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Age expectation: |
From 12 to 18 monate |
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Water temperature: |
Posture possibly in the cold water washbasin, temporarily(for the time being) to 25 degrees. |
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PH factor: |
around 7 |
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Pelvic equipment: |
Enough hiding places should be offered to the skin; ideally feinfiedrige plants are as for example a Java moss. |
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Feed: |
All current dry fodder kinds, Growing up, Detritus, no infertile aquarium, small(little) green algae. |
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Behaviour: |
Together peacefully. |
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Nationalisation possibility: |
Small(Little) fish in "neon size", thus for cold water suitable, perhaps crayfishes(crawfishes) with a bigger washbasin(baker). |
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Kind(Way) of the increase: |
Females carry(wear) from beginning of April till the end of August eggs, interest(portion) of weight-bearing(basic) females is the highest(top) in June. The first Jung's animals from June by a size of about 6 mms, grow up to end of the year on about 20 mms (little man(male)) or 22 mms (female). |
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Gelegegrössen/promising number: |
up to 1500 eggs |
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Frequency of the increase: |
yearly(annually) once |
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Breeding: |
The breeding has already succeeded about several generations at room temperature in the kind washbasin. They have planktonische larvae which need accordingly fine futter. |
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Remarks: |
Picture 3: Young shrimp |
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Literature: |
" Wirtz, Peter (1991): Local freshwater shrimps, DATZ 44 (6), 403-403; Stresemann, Erwin: Excursion fauna, Vol. 1 Invertebrate, Berlin, in 1976 " |
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