Polyphyly of the Pikeminnows (Teleostei: Cyprinidae) Inferred Using Mitochondrial DNA Sequences

Houston, Derek D.; Ogden, Thomas H.; Whiting, Michael F.; Shiozawa, Dennis K.

doi:10.1577/t09-075.1

Cited by 15 publications

(19 citation statements)

References 55 publications

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“…Hubbs et al (1974) postulated that relict dace descended from a common ancestor that also gave rise to Gila and Rhinichthys during the Pliocene, and persisted through the Quaternary. Such a time frame is consistent with a recently reported divergence time estimate of 3.8 Ma between Relictus and Gila orcuttii (Houston et al 2010b). During the Pleistocene, Ruby Valley and Butte Valley contained pluvial Lake Franklin and Lake Gale, respectively, and these pluvial lakes were connected within the same drainage system (Hubbs et al 1974).…”

Section: Discussionsupporting

confidence: 88%

“…The deep divergence between these clades [estimated by Houston et al (2010b) to have occurred approximately 24 million years ago] strongly suggests that the differences are not simply a reflection of genetic divergence within these habitats. Rather, the observed differences correspond to two divergent evolutionary lineages that have come into contact as a result of anthropogenic activities.…”

Section: Discussionmentioning

confidence: 99%

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Evaluating the genetic status of a Great Basin endemic minnow: the relict dace (Relictus solitarius)

2012

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The relict dace (Relictus solitarius) is an endemic minnow restricted to isolated spring systems within Butte, Goshute, Ruby and Steptoe valleys in the eastern Nevada portion of the Great Basin. It is the only native fish in these basins, but speckled dace (Rhinichthys osculus) have been introduced into some localities in Ruby Valley and, based on morphology, the two species are believed to have hybridized in those areas. We used DNA sequence data from one mitochondrial gene (cytochrome b) and one nuclear intron (S7) to determine if putative relict dace populations in Ruby Valley share mtDNA haplotypes with speckled dace, or show signs of hybridization. Results of our analyses show that 11 of 16 Ruby Valley populations sampled contain only speckled dace, and one speckled dace population exhibited signs of limited introgressive hybridization. The remaining five Ruby Valley populations that were sampled contain relict dace that remain genetically distinct from speckled dace. The integrity of the Ruby Valley relict dace populations should be actively protected, particularly in the area surrounding Ruby Lake where speckled dace have been widely introduced.

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Section: Discussionsupporting

confidence: 88%

Section: Discussionmentioning

confidence: 99%

Evaluating the genetic status of a Great Basin endemic minnow: the relict dace (Relictus solitarius)

2012

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“…Ptychocheilus was proposed as a monophyletic group closely related to Mylopharodon based on morphological analyses (Carney & Page 1990;Mayden et al 1991). A recent molecular analysis by Houston et al (2010a), based on limited mitochondrial sequences, while not well supported, did not resolve Ptychocheilus as monophyletic; P. lucius was more closely related to some species of Gila than to other species of Ptychocheilus. Conversely, molecular analyses of the heterogeneous genus Algansea have supported prior morphologic analyses by Barbour and Miller (1978) in identifying the genus as monophyletic, and resolved it sister to Agosia, both part of a clade including south western North American cyprinids (i.e.…”

Section: Brief Review Of Taxonomic and Systematic Historymentioning

confidence: 98%

“…In these cases, like that also occurring and underlying any of the world's faunas and floras, differing evolutionary hypotheses regarding members of the "western fauna" have emerged in different studies simply from using different characters, different character/homology interpretations, and/or different types of data analyses (see nonphylogenetic and phylogenetic studies of Miller 1945aof Miller , b, 1959of Miller , 1965Bailey 1956;Miller & Hubbs 1960;Bailey 1956;Uyeno 1960;Avise & Ayala 1976;Mayden 1989, Mayden et al 1991Coburn & Cavender 1992;Simons & Mayden 1997, 1998Simons et al 2003;Smith et al 2002;Bufalino & Mayden 2010a, b, c;Houston et al 2010a).…”

Section: Brief Review Of Taxonomic and Systematic Historymentioning

confidence: 99%

Molecular systematics of western North American cyprinids (Cypriniformes: Cyprinidae)

Schönhuth

Shiozawa

Dowling

et al. 2012

Zootaxa

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The phylogenetic or evolutionary relationships of species of Cypriniformes, as well as their classification, is in a era of flux. For the first time ever, the Order, and constituent Families are being examined for relationships within a phylogenetic context. Relevant findings as to sister-group relationships are largely being inferred from analyses of both mitochondrial and nuclear DNA sequences. Like the vast majority of Cypriniformes, due to an overall lack of any phylogenetic investigation of these fishes since Hennig's transformation of the discipline, changes in hypotheses of relationships and a natural classification of the species should not be of surprise to anyone. Basically, for most taxa no properly supported phylogenetic hypothesis has ever been done; and this includes relationships with reasonable taxon and character sampling of even families and subfamilies. As such, like others, many western North American cyprinid genera have had a controversial taxonomic and systematic history.Our effort to better understand the evolutionary history of this artificial geographic grouping of species (Western) surveyed taxa and characters broadly. We analyzed 127 taxa (71 species) from 36 genera, including representative taxa from all 22 western genera hypothesized to form the Western Clade sensu Coburn and Cavender (1992). Our evaluation also included additional sampling from a heterogeneous array of species from the western genera Algansea, Gila, Lepidomeda, Ptychocheilus and Siphateles. Resulting phylogenetic inferences, based on one mitochondrial and three nuclear genes (mtDNA: cytb; nDNA: Rag1, Rhod, S7), consistently resolved a well-supported Western Clade, but one inclusive of Chrosomus erythrogaster. This taxon, always formed the sister group to the extant species of Gila plus 10 other western genera. Our Western Clade is qualitatively different from that of prior studies and does not include the genera Agosia, Algansea, Iotichthys, Lepidomeda, Meda, Mylocheilus, Plagopterus, Pogonichthys, Rhinichthys, Tiaroga or Yuriria. All of these taxa were, however, included in Coburn and Cavender´s (1992) Western Clade. Our broader-scale survey and increased character sampling were always resolved these latter taxa within one of two different major clades: the OPM Clade (sensu Mayden 1989) and the Creek Chub-Plagopterin Clade (sensu Simons et al. 2003). Our hypothesized Western Clade places Orthodon sister to a Western Chub-Pikeminnow Clade also inclusive of Acrocheilus, Eremichthys, Gila, Hesperoleucus, Lavinia, Moapa, Mylopharodon, Ptychocheilus, Relictus and Siphateles. The latter taxa have traditionally been recognized at the generic level, simply on the basis of their morphological distinctiveness and not on the basis of a phylogenetic evaluation of relationships. Composition of our Western Chub-Pikeminnow Clade also reveals genetic divergences between species of some genera (Gila, Ptychocheilus, Siphateles) comparable to genetic divergences documented between genera within the Western Clade. Relationships for th...

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“…Ultimately management decisions for Smallmouth Bass in the Umpqua River basin will depend on balancing the value of this introduced species as a sport fishery against the value of native fishes (Carey et al 2011). Those values include maintaining and preserving native fishes that provide for (1) important sport fisheries (salmon and trout; Tabor et al 1993;Fritts and Pearsons 2004), (2) cultural and ceremonial uses (Pacific Lamprey and salmonids; Close et al 2002), and (3) specific and evolutionary lineages unique to the Umpqua River basin (e.g., Umpqua Chub and Umpqua Pikeminnow Ptychocheilus umpquae; Simon and Markle 1999;Houston et al 2010). These socioeconomic trade-offs and the feasibility of existing methods available for control of Smallmouth Bass will provide ample challenges for management, as well as many uncertainties to resolve and much to learn.…”

Section: Discussionmentioning

confidence: 99%

Bioenergetics Models to Estimate Numbers of Larval Lampreys Consumed by Smallmouth Bass in Elk Creek, Oregon

Schultz

Heck

Kowalski

et al. 2017

N American J Fish Manag

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Nonnative fishes have been increasingly implicated in the decline of native fishes in the Pacific Northwest. Smallmouth Bass Micropterus dolomieu were introduced into the Umpqua River in southwest Oregon in the early 1960s. The spread of Smallmouth Bass throughout the basin coincided with a decline in counts of upstream‐migrating Pacific Lampreys Entosphenus tridentatus. This suggested the potential for ecological interactions between Smallmouth Bass and Pacific Lampreys, as well as freshwater‐resident Western Brook Lampreys Lampetra richardsoni. To evaluate the potential effects of Smallmouth Bass on lampreys, we sampled diets of Smallmouth Bass and used bioenergetics models to estimate consumption of larval lampreys in a segment of Elk Creek, a tributary to the lower Umpqua River. We captured 303 unique Smallmouth Bass (mean: 197 mm and 136 g) via angling in July and September. We combined information on Smallmouth Bass diet and energy density with other variables (temperature, body size, growth, prey energy density) in a bioenergetics model to estimate consumption of larval lampreys. Larval lampreys were found in 6.2% of diet samples, and model estimates indicated that the Smallmouth Bass we captured consumed 925 larval lampreys in this 2‐month study period. When extrapolated to a population estimate of Smallmouth Bass in this segment, we estimated 1,911 larval lampreys were consumed between July and September. Although the precision of these estimates was low, this magnitude of consumption suggests that Smallmouth Bass may negatively affect larval lamprey populations. Received September 20, 2016; accepted March 31, 2017Published online June 6, 2017

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Polyphyly of the Pikeminnows (Teleostei: Cyprinidae) Inferred Using Mitochondrial DNA Sequences

Cited by 15 publications

References 55 publications

Evaluating the genetic status of a Great Basin endemic minnow: the relict dace (Relictus solitarius)

Evaluating the genetic status of a Great Basin endemic minnow: the relict dace (Relictus solitarius)

Molecular systematics of western North American cyprinids (Cypriniformes: Cyprinidae)

Bioenergetics Models to Estimate Numbers of Larval Lampreys Consumed by Smallmouth Bass in Elk Creek, Oregon

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