Sorry, this page is still under construction and not filled yet with information. But to give you at least an idea about what kind of fishes will be displayed here I insert a few picture of my favorite fishes, the mudminnows.
The European mudminnow, Umbra krameri in different pictures. The second picture shows a jung specimen, while the last picture is a grandma of six years and 13 cm TL.
Here a specimen of Umbra pygmaea with blue anal fin, maybe the result of a hybridisation with U. limi. Several of such specimens were found in a garden pond that contained both species.
Age determination in mudminnows: The left picture shows a body scale in nomal light, the right picture shows the same scale in phase-contrast light. The year ring is more clear visible. The specimen (a Umbra pygmaea from a german field population) was caught in winter.
Here you may find my list of literature about Umbra, Novumbra and Dallia.
Here you have access to some early articles I wrote about mudminnows:
- Bohlen, J. 1995: Laboratory studies on the reproduction of the European Mudminnow, Umbra krameri Walbaum, 1792. Annalen des Naturhistorischen Museums zu Wien 97 B: 502-507 Abstract Full Text (pdf) (C) Naturhistorisches Museum, Wien
- Bohlen, J. 1991: Beobachtungen zu Verbreitung, Biologie und Gefährdung des Europäischen Hundsfisches Umbra krameri Walbaum, 1792 (Pisces, Umbridae). Österreichs Fischerei 44: 286-290
- Bohlen, J. 1990: … und es gibt sie doch noch! Über Umbra krameri in Ungarn. DATZ 9/1990: 549-552
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