The Phylogeny of Oncorhynchus (Euteleostei: Salmonidae) Based on Behavioral and Life History Characters

Esteve, Manu; McLennan, Deborah A.

doi:10.1643/0045-8511(2007)2007[520:tpooes]2.0.co;2

Cited by 15 publications

(12 citation statements)

References 41 publications

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“…Apparently, unlike Siberian taimen which are thought to have the unusual strategy of pair bonding days or weeks before reaching the spawning grounds (Holčík et al 1988;Witkowski 1988), pair formation in Sakhalin taimen follows the general salmonine pattern of occurring on the spawning grounds throughout the breeding season (Edo personal communication; our observations with female 4.). During lateral displays Sakhalin taimen males swim in parallel, pointing their noses upwards, which is similar to the display shown by sockeye (Oncorhynchus nerka) and pink salmon (O. gorbuscha) (Esteve and McLennan 2007). On several occasions males were seen performing displacement quiverings away from the female.…”

Section: Discussionsupporting

confidence: 58%

“…This behaviour, which is widespread throughout the salmonines, probably occurs when a highly motivated male is not getting sufficient feedback from his spawning partner. At no point during the study was either male digging (a behaviour commonly displayed by Oncorhynchus) or the presence of precocious maturing parr (present in Salmo, Salvelinus and some Oncorhynchus species: Esteve and McLennan 2007) observed.…”

Section: Discussionmentioning

confidence: 99%

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Spawning behaviour of Sakhalin taimen, Parahucho perryi, from northern Hokkaido, Japan

Esteve

McLennan

Kawahara³

2009

Environ Biol Fish

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A video camera mounted in an underwater housing and remotely operated was used to monitor the behaviour of five different Sakhalin taimen (Parahucho perryi), females and attendant males spawning in three coastal tributary streams in Northern Hokkaido, Japan. Based on three complete and two incomplete spawnings, we describe in detail for the first time the complete spawning behavioural repertoire of this species. The Sakhalin taimen was originally placed within Hucho, then removed from that genus based on morphological, life history and molecular data. Our study supports that removal-none of the behavioural traits we recorded clustered Parahucho with Hucho uniquely. Similarities between the two genera were all plesiomorphic traits that are widespread throughout the salmonines. The immediate behaviour right after spawning was found to be a major difference between Hucho and Parahucho. Like female Oncorhynchus and Salmo, Sakhalin taimen females cover their eggs by beats of their tails immediately after spawning. This is different from the "rest, then cover" behaviour shown by Siberian taimen (Hucho taimen) as well as lenok (Brachymystax lenok), supporting again that the Sakhalin taimen be removed from Hucho and placed in its own genus.

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Section: Discussionsupporting

confidence: 58%

Section: Discussionmentioning

confidence: 99%

Spawning behaviour of Sakhalin taimen, Parahucho perryi, from northern Hokkaido, Japan

Esteve

McLennan

Kawahara³

2009

Environ Biol Fish

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“…For example, Esteve and McLennan (2007) used Salvelinus as an outgroup in their behaviour-based analysis of phylogenetic relationships within Oncorhynchus (Pacific salmon and trout). At the time their manuscript was written, most of the characters for lake trout had to be coded as "unknown".…”

Section: Introductionmentioning

confidence: 99%

Lake trout (Salvelinus namaycush) spawning behaviour: the evolution of a new female strategy

2007

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A video camera inside an underwater housing was used to record the spawning activities of lake trout, Salvelinus namaycush, in Kushog Lake, Ontario (Canada). Contrary to the commonly accepted belief describing lake trout as the only salmonine to spawn exclusively at night, the recordings were taken during the day. Lake trout spawning behaviour is described in detail and compared with other salmonine species. The loss of female "nest-building" and assumption of a novel itinerant strategy during which females travel across the breeding grounds accompanied by a group of males, is considered to be an important change in the evolution of the lake trout's unique mode of spawning.

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“…At 12:45, she performed one false spawning, then 24 s later she performed two consecutive spawning acts (sequential spawning -two or more spawning acts performed on a single nest and separated by a few seconds or minutes -is another behaviour unique to Salvelinus; Esteve & McLennan 2007). At that time, the female was involved in finishing nest construction.…”

Section: Resultsmentioning

confidence: 99%

“…Information about postspawning behaviour was collected from the literature and previous studies with species across the six Salmoninae genera by the first two authors (see Esteve & McLennan 2007;Esteve et al 2009a,b and references therein). The three postspawning behaviours were initially identified as 'resting' (the female remains over the nest occasionally gently moving her tail), 'cover digging' (female bends her body and beats the gravel substrate with side-to-side flexures of her tail: Fig.…”

Section: Evolution Of the Postspawning Behaviourmentioning

confidence: 99%

Spawning behaviour of amemasu charr, Salvelinus leucomaenis leucomaenis, with a discussion of the macroevolutionary patterns of postspawning behaviour in the Salmoninae

Esteve

McLennan

Kawahara³

2010

Ecology of Freshwater Fish

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Video cameras inside underwater housings were used to record the spawning behaviour of a subspecies of the white-spotted charr, the amemasu charr (Salvelinus leucomaenis leucomaenis) in the Tokimae and Onbetsu Rivers, Hokkaido, Japan. Unlike other Salvelinus species, in which females use lateral swings of their bodies to ventilate and distribute eggs over gravel crevices (undulating) immediately after spawning, female amemasu charr covered their eggs with beats of their tails (cover digging). Cover digging right after spawning has previously been documented in Salmo, Oncorhynchus and Parahucho. Phylogenetic analysis of postspawning behaviours in the Salmoninae indicated that (i) resting then covering the eggs is plesiomorphic for the group, (ii) undulating replaced resting in the ancestor of Salvelinus, (iii) cover digging was advanced in the behavioural sequence to occur immediately after egg deposition in the ancestor of Parahucho + Salmo + Oncorhynchus and in the amemasu.

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The Phylogeny of Oncorhynchus (Euteleostei: Salmonidae) Based on Behavioral and Life History Characters

Cited by 15 publications

References 41 publications

Spawning behaviour of Sakhalin taimen, Parahucho perryi, from northern Hokkaido, Japan

Spawning behaviour of Sakhalin taimen, Parahucho perryi, from northern Hokkaido, Japan

Lake trout (Salvelinus namaycush) spawning behaviour: the evolution of a new female strategy

Spawning behaviour of amemasu charr, Salvelinus leucomaenis leucomaenis, with a discussion of the macroevolutionary patterns of postspawning behaviour in the Salmoninae

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