Salmo rhodanensis
| Salmo rhodanensis | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Salmo rhodanensis | ||||||||||||
| Fowler , 1974 |
Salmo rhodanensis is a species from the family of salmon fish (Salmonidae), in the Rhone and its tributaries, with the exception of Lake Geneva and up to Roya and possibly the lakes in Liguria found.
features
Salmo rhodanensis reaches a body length of up to 80 centimeters. The species has four broad black transverse stripes on its body, which lie behind the gill cover , under the dorsal fin , above the approach of the anal fin and at the end of the caudal peduncle. Red spots are missing. Young animals have 9 to 12 vertically stretched youth spots. Hybrids with the Mediterranean brown trout ( Salmo cetti ) occur locally , which then have red spots and fins with white leading edges.
Way of life
Salmo rhodanensis colonizes slow to fast flowing, clear, cold and well ventilated rivers. Invertebrates, fish and amphibians serve as food. The spawning season is late December and sexual maturity is reached at four years of age.
swell
- Maurice Kottelat , Jörg Freyhof : Handbook of European Freshwater Fishes . Publications Kottelat, Cornol 2007, ISBN 978-2-8399-0298-4 , pp. 417-418 .
Web links
Salmo rhodanensis on Fishbase.org (English)
- Salmo rhodanensis inthe IUCN 2013 Red List of Threatened Species . Posted by: Freyhof, J. & Kottelat, M., 2008. Retrieved October 17, 2013.