Effects of ambient Lake Mohave temperatures on development, oxygen consumption, and hatching success of the razorback sucker

Bozek, Michael A.; Paulson, Larry J.; Wilde, Gene R.

doi:10.1007/bf00002744

Cited by 12 publications

(13 citation statements)

References 25 publications

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“…especially for the cooler temperatures. As researchers have noted for other species (Embody 1934, Peterson et al 1977, Murry & McPhail1987, Naesje & Jonsson 1988, Bozek et al 1990), we observed that hatching and swim-up time varied inversely with temperature.…”

Section: Discussionsupporting

confidence: 56%

Effect of four fluctuating temperature regimes on cui-ui,Chasmistes cujus, survival from egg fertilization to swim-up, and size of larvae produced

Scoppettone¹,

Buettner

Rissler³

1993

Environ Biol Fish

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We evaluated cui-ui, Chasm&es cujus, swim-up success, time of hatching and swim-up, and size of larvae at swim-up under four fluctuating temperature regimes (8.9-15.0,12.2-X3.3,15.0-21.1, and 17.8-23.9" C). The greatest swim-up success was at the 8.9-15.0" C regime and the lowest at the 15.0-21.1" C regime. Hatching and swim-up time varied inversely with incubation temperature. The largest (and presumably the most fit) larvae were in the 8.9-15.0" C treatment, whereas the smallest were in the 17.8-23.9" C treatment. Cui-ui appeared best adapted to the coolest of the four temperature regimes.

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Section: Discussionsupporting

confidence: 56%

Effect of four fluctuating temperature regimes on cui-ui,Chasmistes cujus, survival from egg fertilization to swim-up, and size of larvae produced

Scoppettone¹,

Buettner

Rissler³

1993

Environ Biol Fish

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“…Razorback suckers in Lake Mohave, Arizona, in the absence of riverine cues, spawned between November and May (Minckley 1983). Although there are differences in the timing of razorback sucker spawning between the upper and lower Colorado River basins, the reported water temperatures (10Њ and 15ЊC) at peak spawning in the lower basin (Bozek et al 1990) are similar to those of the upper basin (Tyus 1987;Tyus and Karp 1990). Thus, discharge cues are not needed to successfully reproduce, but increased rates of discharge can initiate movement and aggregate reproducing adults.…”

Section: Discussionmentioning

confidence: 99%

Use of Multiple Spawning Sites and Seasonal Movement by Razorback Suckers in the Middle Green River, Utah

Modde

Irving

1998

North American Journal of Fisheries Management

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Radiotelemetry data through three successive spawning events (1993)(1994)(1995) and capture data for 15 years (1975,(1979)(1980)(1981)(1982)(1983)(1984)(1985)(1986)(1987)(1988)(1989)(1990)(1991)(1992)(1993) were used to describe movement patterns and fidelity to spawning sites by male razorback suckers Xyrauchen texanus in the middle Green River, Utah. Movement to spawning areas was influenced primarily by discharge. The greatest distances traveled by male razorback suckers were in a downstream direction and occurred just before and shortly after spawning. Three of six surviving males implanted with radio transmitters were located on more than one spawning site between 1993 and 1995. Thus, although most razorback suckers in the middle Green River spawned in a single area between river kilometers 492 and 501 (from the confluence of the Green and the Colorado rivers), other spawning areas were probably used. Tag recapture and telemetry data supported the hypothesis that razorback suckers in the middle Green River represent a single reproductive population.

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“…Most research on wild razorback suckers has dealt with adults, and much of the research focused on the relic population in Lake Mohave (Minckley 1983, Langhorst and Marsh 1986, Marsh 1987, Mueller 1989, Bozek et al 1990, Minckley et al 1991, Mueller 1995, Marsh 1997 and a small population found in the Green River, Utah (McAda and Wydoski 1980, Tyus 1987, Tyus and Karp 1990, Modde 1996, Modde et al 1996, Modde and Wick 1997. Less is known about early life stages.…”

Section: Introductionmentioning

confidence: 99%

Distribution, migratory behavior, and habitat use of razorback sucker (Xyrauchen texanus) in Lake Mohave, Arizona-Nevada

Mueller¹,

Marsh²,

Knowles³

1998

Open-File Report

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captive-reared fish from previous stockings (Marsh and Minckley 1989a). The Native Fish Work Group formed as a coalition of concerned state and federal agencies for the purpose of stocking 50,000, juvenile razorback suckers to replace the old population that was dying out in Lake Mohave (Mueller 1995). Stocked fish are monitored to determine the appropriate sizes needed to ensure adequate survival. Preliminary information suggests that approximately 57% over 20 cm have survived (Marsh 1997). Predation is believed to be a major factor that limits recruitment from natural spawning. Survival is size dependent but other factors, such as time and location of stocking, cove availability, predator densities, and behavioral traits that could also impact survival. The purpose of this study was to gain a better understanding of the migratory behavior and habitat used by juvenile and adult razorback suckers in a reservoir environment. As adults become rare and more difficult to capture, information regarding their movements and habitat use will become more important in monitoring populations. In addition, understanding habitat use and behavior of juveniles will allow assessment of predation, stocking protocols, and factors that can enhance survival and recovery. METHODS Study Specimens Adults-Adults were trammel netted at Yuma and Tequila coves (Figure 1, RK 34& 39) during November 6-7, 1994. Five males and five females were selected and held at each site for surgery the following morning. The Yuma Cove fish were surgically implanted and released on November 7th and the Tequila Cove fish were implanted and released on November 8th. Adults averaged 609 mm (555-680 mm) in total length and 2.78 kilograms (1.75-4.21 kg). Individual data pertaining to length, weight, PIT tag numbers, sonic transmitter code, release location, and distances moved are summarized in Appendix A. Juveniles Twenty five juvenile suckers were taken from grow-out ponds and held in holding facilities at the Bureau of Reclamation laboratories in Boulder City, Nevada. The fish were later transported by truck and by boat on November 22, 1994. Fish averaged 338 mm (315 to 392 mm) and 369 grams (296-598 g). The juveniles were released in groups of four fish at: Red Light Cove (RK 10), Dandy Cove (RK 17), Owl Point (RK 45), Double Neck Cove (RK 71), and Cross Current Rapids (RK 92). Pertinent information is summarized in Appendix A. Telemetry Equipment We determined a 30+-cm sucker was capable of carrying a 6 gram, 16 X 5 5-mm sonic transmitter (Sonotronics model CTT-83-2) (Knowles 1994

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Effects of ambient Lake Mohave temperatures on development, oxygen consumption, and hatching success of the razorback sucker

Cited by 12 publications

References 25 publications

Effect of four fluctuating temperature regimes on cui-ui,Chasmistes cujus, survival from egg fertilization to swim-up, and size of larvae produced

Effect of four fluctuating temperature regimes on cui-ui,Chasmistes cujus, survival from egg fertilization to swim-up, and size of larvae produced

Use of Multiple Spawning Sites and Seasonal Movement by Razorback Suckers in the Middle Green River, Utah

Distribution, migratory behavior, and habitat use of razorback sucker (Xyrauchen texanus) in Lake Mohave, Arizona-Nevada

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