Habitat Associations, Life History and Diet of the Sabine Shiner Notropis sabinae in an East Texas Drainage

Williams, Casey S.; Bonner, Timothy H.

doi:10.1674/0003-0031(2006)155[0084:halhad]2.0.co;2

Cited by 19 publications

(30 citation statements)

References 22 publications

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“…Observed habitat associations collected during diel tracking were ordinated by means of PCA and diel times, mean principal component scores, and collective variation (i.e., the 68% confidence interval, or 61 SD) included in the PCA biplot to show habitat associations during the day and at night. For PCA, qualitative variables (reproductive season, cover, mesohabitat, substrate, and river) were represented by dummy variables, and quantitative variables (temperature, day number, flow, distance to cover, depth, and velocity) were z-score transformed (Krebs 1999;Williams and Bonner 2006). Univariate statistical analyses were used to assess cover, substrate, and mesohabitat preference or avoidance as well as habitat suitability (i.e., the relative use of available habitats) for current velocity and depth by comparing the observed usage with the total available habitat.…”

Section: Methodsmentioning

confidence: 99%

Movement and Microhabitat Associations of Guadalupe Bass in Two Texas Rivers

Perkin¹,

Shattuck²,

Bean³

et al. 2010

N American J Fish Manag

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The Guadalupe bass Micropterus treculii is endemic to Texas and is threatened by introgression with introduced smallmouth bass M. dolomieu as well as habitat degradation. This study described and quantified the movements and habitat associations of Guadalupe bass to assess the factors that may influence current populations. Radio-tagged adult Guadalupe bass were tracked in the Pedernales River (n ¼ 12) and South Llano River (n ¼ 12) from January through August 2008. Available microhabitats were measured and modeled in terms of depth, velocity, substrate, and cover for about 1.5 km in the Pedernales River and 1.2 km in the South Llano River. Rates of movement were greatest during the reproductive season, ranging from less than 1 to 9 m/d. Instream cover (such as undercut banks and woody debris) was preferred during daylight hours throughout the study period, although the distances from cover increased from January to August. Habitat shifts from cover to open water occurred at night and from woody structures to boulders and ledges during a large flood pulse. The habitats most suitable for adult Guadalupe bass had a depth of 1.0 m and a current velocity of 0.05 m/s, and habitat selection was strongest for eddy mesohabitats with smaller substrates. By July, the Guadalupe bass in the South Llano River were associated with runs with greater current velocities, whereas those in the Pedernales River were associated with pools with greater depths, largely owing to the low flows and reduced habitat availability in the Pedernales River. Environmental factors, including the availability and suitability of instream cover, are probably the strongest influences on the distribution and abundance of Guadalupe bass.

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Section: Methodsmentioning

confidence: 99%

Movement and Microhabitat Associations of Guadalupe Bass in Two Texas Rivers

Perkin¹,

Shattuck²,

Bean³

et al. 2010

N American J Fish Manag

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“…Habitat and ecology: N. sabinae inhabits relatively shallow slow flowing runs and riffles of small to large rivers and streams, and is often associated with sandy substrate (Moriarty and Winemiller 1997). Estimated life span is 2.5 years (Williams and Bonner 2006). Diet consists mainly of aquatic invertebrates (Williams and Bonner 2006).…”

Section: )mentioning

confidence: 99%

“…Estimated life span is 2.5 years (Williams and Bonner 2006). Diet consists mainly of aquatic invertebrates (Williams and Bonner 2006). Reproduction: The Sabine shiner reaches sexual maturity at age 1 and spawns multiple clutches of eggs over an extended spawning period in central Louisiana (April through September; Heins 1981) and in east Texas (May through October; Williams and Bonner 2006).…”

Section: )mentioning

confidence: 99%

“…Diet consists mainly of aquatic invertebrates (Williams and Bonner 2006). Reproduction: The Sabine shiner reaches sexual maturity at age 1 and spawns multiple clutches of eggs over an extended spawning period in central Louisiana (April through September; Heins 1981) and in east Texas (May through October; Williams and Bonner 2006). Evidence suggests that N. sabinae is a broadcast spawner and that spawned eggs and larvae disperse downstream via drift during early development (Williams and Bonner 2006).…”

Section: )mentioning

confidence: 99%

“…Reproduction: The Sabine shiner reaches sexual maturity at age 1 and spawns multiple clutches of eggs over an extended spawning period in central Louisiana (April through September; Heins 1981) and in east Texas (May through October; Williams and Bonner 2006). Evidence suggests that N. sabinae is a broadcast spawner and that spawned eggs and larvae disperse downstream via drift during early development (Williams and Bonner 2006). Threats: Altered flow regimes and habitat fragmentation potentially disrupt reproductive processes by impeding downstream drift of early life stages and upstream migration of adults.…”

Section: )mentioning

confidence: 99%

See 2 more Smart Citations

Threatened fishes of the world: Notropis sabinae (Jordan and Gilbert 1886) (Cyprinidae)

Williams

Bonner

2006

Environ Biol Fish

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The reproductive biology of small fishes and the clutch concept: Combining macroscopic and histological approaches

Heins

Brown‐Peterson

2022

Aquaculture Fish & Fisheries

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Accurate estimates of reproductive parameters important in understanding life history evolution and conservation of small fishes are dependent upon careful assignment of ovarian phases. Proper assignment is based upon the stages of propagule (oocyte) development, oocyte maturation and the location of any clutch or portion thereof within the ovaries. Macroscopic inspection and assignment of ovarian developmental phases have often been used for small freshwater fishes. By contrast, histological methods for assignment of reproductive phases have been developed and are widely used for marine fishes, but they have rarely been used for small freshwater fishes. We review oocyte development, ovum maturation, and the ovarian cycling process using both macroscopic and histological approaches which incorporate the clutch concept. New terminology, including three actively spawning phases based on macroscopic appearance of the clutch (actively spawning‐maturation, actively spawning‐hydration, actively spawning‐ovulation), is proposed. We assert that combining histological and macroscopic methodologies, shown to be complementary, will allow a more accurate and precise understanding of the reproductive biology of small fishes—especially freshwater fishes experiencing effects of habitat change and loss of habitat.

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Habitat Associations, Life History and Diet of the Sabine Shiner Notropis sabinae in an East Texas Drainage

Cited by 19 publications

References 22 publications

Movement and Microhabitat Associations of Guadalupe Bass in Two Texas Rivers

Movement and Microhabitat Associations of Guadalupe Bass in Two Texas Rivers

Threatened fishes of the world: Notropis sabinae (Jordan and Gilbert 1886) (Cyprinidae)

The reproductive biology of small fishes and the clutch concept: Combining macroscopic and histological approaches

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