Spawning Behaviour and the Softmouth Trout Dilemma
Morphological, ecological and molecular data sets do not completely agree on the phylogenetic placement of the softmouth trout, Salmo (Salmothymus) obtusirostris (Heckel). Molecules posit that softmouths are closely related to brown trout, Salmo trutta L. while some morphological, ecological and lif...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Sciendo
2014-07-01
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| Series: | Archives of Polish Fisheries |
| Subjects: | |
| Online Access: | https://doi.org/10.2478/aopf-2014-0016 |
| _version_ | 1831719519062589440 |
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| author | Esteve Manu McLennan Deborah Ann Zablocki John Andrew Pustovrh Gašper Doadrio Ignacio |
| author_facet | Esteve Manu McLennan Deborah Ann Zablocki John Andrew Pustovrh Gašper Doadrio Ignacio |
| author_sort | Esteve Manu |
| collection | DOAJ |
| description | Morphological, ecological and molecular data sets do not completely agree on the phylogenetic placement of the softmouth trout, Salmo (Salmothymus) obtusirostris (Heckel). Molecules posit that softmouths are closely related to brown trout, Salmo trutta L. while some morphological, ecological and life history traits place them in the most basal position of the Salmoninae subfamily between grayling (Thymallus) and lenok (Brachymystax). Here we add an additional source of data, behavioural characters based on the first reported observations of softmouth spawning. During spawning softmouth females present three important behaviours not found in the other Salmo members: they continually abandon their nests, rarely staying on them for periods over nine minutes; they expel different batches of eggs at the same nest at intervals of several minutes; and they do not cover their eggs immediately after spawning. These three behaviours are intriguing for two reasons: 1) they are possible homologous to behaviours found in grayling females; 2) when coupled to the nest digging behaviour-widespread in all the salmonines, including softmouths, they seem to be mal-adaptive. |
| first_indexed | 2024-12-21T02:40:16Z |
| format | Article |
| id | doaj.art-4644e819ecb84fc19ca406bd46bf5c2b |
| institution | Directory Open Access Journal |
| issn | 2083-6139 |
| language | English |
| last_indexed | 2024-12-21T02:40:16Z |
| publishDate | 2014-07-01 |
| publisher | Sciendo |
| record_format | Article |
| series | Archives of Polish Fisheries |
| spelling | doaj.art-4644e819ecb84fc19ca406bd46bf5c2b2022-12-21T19:18:41ZengSciendoArchives of Polish Fisheries2083-61392014-07-0122215916510.2478/aopf-2014-0016aopf-2014-0016Spawning Behaviour and the Softmouth Trout DilemmaEsteve Manu0McLennan Deborah Ann1Zablocki John Andrew2Pustovrh Gašper3Doadrio Ignacio4Departamento de Biodiversidad y Biología Evolutiva, Museo Nacional de Ciencias Naturales, Jose Gutierrez Abascal 2, Madrid, SpainDepartment of Ecology and Evolutionary Biology, University of Toronto, 25 Willcocks St, Toronto, M5S 3G5 ON, CanadaTrout Unlimited, 720 Tahoe St STE 1, Reno NV 89509, USAUniversity of Ljubljana, Biotechnical Faculty, Department of Animal Science, Groblje 3,1230 Domžale, SloveniaDepartamento de Biodiversidad y Biología Evolutiva, Museo Nacional de Ciencias Naturales, Jose Gutierrez Abascal 2, Madrid, SpainMorphological, ecological and molecular data sets do not completely agree on the phylogenetic placement of the softmouth trout, Salmo (Salmothymus) obtusirostris (Heckel). Molecules posit that softmouths are closely related to brown trout, Salmo trutta L. while some morphological, ecological and life history traits place them in the most basal position of the Salmoninae subfamily between grayling (Thymallus) and lenok (Brachymystax). Here we add an additional source of data, behavioural characters based on the first reported observations of softmouth spawning. During spawning softmouth females present three important behaviours not found in the other Salmo members: they continually abandon their nests, rarely staying on them for periods over nine minutes; they expel different batches of eggs at the same nest at intervals of several minutes; and they do not cover their eggs immediately after spawning. These three behaviours are intriguing for two reasons: 1) they are possible homologous to behaviours found in grayling females; 2) when coupled to the nest digging behaviour-widespread in all the salmonines, including softmouths, they seem to be mal-adaptive.https://doi.org/10.2478/aopf-2014-0016phylogenyspawning behaviorunderwater video |
| spellingShingle | Esteve Manu McLennan Deborah Ann Zablocki John Andrew Pustovrh Gašper Doadrio Ignacio Spawning Behaviour and the Softmouth Trout Dilemma Archives of Polish Fisheries phylogeny spawning behavior underwater video |
| title | Spawning Behaviour and the Softmouth Trout Dilemma |
| title_full | Spawning Behaviour and the Softmouth Trout Dilemma |
| title_fullStr | Spawning Behaviour and the Softmouth Trout Dilemma |
| title_full_unstemmed | Spawning Behaviour and the Softmouth Trout Dilemma |
| title_short | Spawning Behaviour and the Softmouth Trout Dilemma |
| title_sort | spawning behaviour and the softmouth trout dilemma |
| topic | phylogeny spawning behavior underwater video |
| url | https://doi.org/10.2478/aopf-2014-0016 |
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