<abstract xmlns="http://www.w3.org/1999/xhtml"><p> A camera inside an underwater housing was used to record a pair of Danube huchen, Hucho hucho (L.) spawning at the Ybbs River, Austria. A description of spawning behaviour is made including observations of two other Danube huchen pairs recorded at the Rivers Mur and Pielach. Results were compared with the spawning behaviour of Siberian taimen, Hucho taimen (Pall.), Manchurian trout, Brachymystax lenok (Pall.) and Sakhalin taimen, Parahucho perryi (Brevoort). Danube huchen females, likewise the Siberian taimen and Manchurian trout females, rest for a variable number of minutes after the spawning act, before covering the eggs with gentle tail beating. This behaviour joins Danube huchen with Siberian taimen intragenerically and Hucho with Brachymystax intergenerically, distinguishing it from Parahucho and strengthening our current conception of the Salmoninae subfamily.</p></abstract>

A camera inside an underwater housing was used to record a pair of Danube huchen, Hucho hucho (L.) spawning at the Ybbs River, Austria. A description of spawning behaviour is made including observations of two other Danube huchen pairs recorded at the Rivers Mur and Pielach. Results were compared with the spawning behaviour of Siberian taimen, Hucho taimen (Pall.), Manchurian trout, Brachymystax lenok (Pall.) and Sakhalin taimen, Parahucho perryi (Brevoort). Danube huchen females, likewise the Siberian taimen and Manchurian trout females, rest for a variable number of minutes after the spawning act, before covering the eggs with gentle tail beating. This behaviour joins Danube huchen with Siberian taimen intragenerically and Hucho with Brachymystax intergenerically, distinguishing it from Parahucho and strengthening our current conception of the Salmoninae subfamily.

Spawning behaviour of Danube huchen from three Austrian rivers

Departamento de Biodiversidad y Biologia Evolutiva Museo Nacional de Ciencias Naturales (CSIC) Jose Gutierrez Abascal 2, Madrid, Spain

Department for Water, Atmosphere and Environment Institute of Hydrobiology and Aquatic Ecosystem Management University of Natural Resources and Life Sciences, Vienna, Austria

Fisheries & Aquatic Life

{"article-title":"Spawning behaviour of Danube huchen from three Austrian rivers"}

A camera inside an underwater housing was used to record a pair of Danube huchen, Hucho hucho (L.) spawning at the Ybbs River, Austria. A description of...

Spawning behaviour of Danube huchen from three Austrian rivers

Online veröffentlicht: 27. Nov. 2013

Seitenbereich: 169 - 177

DOI: https://doi.org/10.2478/aopf-2013-0014

Schlüsselwörter
phylogeny of behaviour, underwater video, postspawning behaviour, male digging

This content is open access.

Spawning behaviour of Danube huchen from three Austrian rivers

Online veröffentlicht: 27. Nov. 2013

Seitenbereich: 169 - 177

DOI: https://doi.org/10.2478/aopf-2013-0014

Schlüsselwörterphylogeny of behaviour, underwater video, postspawning behaviour, male digging

This content is open access.

Schlüsselwörter
phylogeny of behaviour, underwater video, postspawning behaviour, male digging