Water flow controls distribution and feeding behavior of two co-occurring coral reef fishes: II. Laboratory experiments

Clarke, Raymond D.; Finelli, Christopher M.; Buskey, Edward J.

doi:10.1007/s00338-009-0479-7

Cited by 20 publications

(18 citation statements)

References 40 publications

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“…(0-29 cm s −1 ) within the range of flows measured on coral reefs Lowe et al, 2005;Denny, 2006;Madin et al, 2006;Clarke et al, 2009). The metabolic rate of fishes swimming in this oscillatory pattern of wave surge was found to increase as both frequency and amplitude of wave action increased, indicating higher metabolic costs to station-hold as wave action increases (Fig.…”

Section: Discussionmentioning

confidence: 76%

Energetics and behavior of coral reef fishes during oscillatory swimming in a simulated wave surge

Marcoux

Korsmeyer

2019

Journal of Experimental Biology

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Oxygen consumption rates were measured for coral reef fishes during swimming in a bidirectional, oscillatory pattern to simulate station-holding in wave-induced, shallow-water flows. For all species examined, increases in wave intensity, as simulated by increases in frequency and amplitude of oscillation, yielded increased metabolic rates and net costs of swimming (NCOS; swimming metabolic rate minus standard metabolic rate). Comparing species with different swimming modes, the caudal fin swimming Kuhlia spp. (Kuhliidae) and simultaneous pectoral-caudal fin swimming Amphiprion ocellaris (Pomacentridae) turned around to face the direction of swimming most of the time, whereas the median-paired fin (MPF) swimmers, the pectoral fin swimming Ctenochaetus strigosus (Acanthuridae) and dorsal-anal fin swimming Sufflamen bursa (Balistidae), more frequently swam in reverse for one half of the oscillation to avoid turning. Contrary to expectations, the body-caudal fin (BCF) swimming Kuhlia spp. had the lowest overall NCOS in the oscillatory swimming regime compared with the MPF swimmers. However, when examining the effect of increasing frequency of oscillation at similar average velocities, Kuhlia spp. showed a 24% increase in NCOS with a 50% increase in direction changes and accelerations. The two strict MPF swimmers had lower increases on average, suggestive of reduced added costs with increasing frequency of direction changes with this swimming mode. Further studies are needed on the costs of unsteady swimming to determine whether these differences can explain the observed prevalence of fishes using the MPF pectoral fin swimming mode in reef habitats exposed to high, wave-surge-induced water flows.

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Section: Discussionmentioning

confidence: 76%

Energetics and behavior of coral reef fishes during oscillatory swimming in a simulated wave surge

Marcoux

Korsmeyer

2019

Journal of Experimental Biology

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“…Great strides have been made in recent years in these areas, but much remains to be learned. Robinson et al (2007) and Clarke et al (2009).…”

Section: Discussionmentioning

confidence: 99%

“…These interactions also occur in three-dimensional spaces, and the spatial details of predators feeding on plankton often occur on the millimeter scale, requiring observations of the predator's movements on a larger spatial scale and much finer spatial resolution of the details of the predator-prey interaction. Use of a plankton predator with limited movement, such as hemi-sessile blennies (Figure 1) or seahorses, makes it easier to predict the location where predator-prey interactions will occur (Clarke et al, 2005(Clarke et al, , 2009Gemmell, 2011). However, even on these limited spatial scales, as magnification increases, depth of field of the image in focus becomes a limiting factor in spatial resolution of predator-prey interactions, especially for resolving interactions in three dimensions.…”

Section: Technical Challengesmentioning

confidence: 99%

“…However, even on these limited spatial scales, as magnification increases, depth of field of the image in focus becomes a limiting factor in spatial resolution of predator-prey interactions, especially for resolving interactions in three dimensions. One solution to this problem is to use either two cameras or mirrors and a single camera to observe a volume in three dimensions (Clarke et al, 2005(Clarke et al, , 2009. An emerging technology that addresses this problem is the use of holographic methods to reconstruct images and movements of organisms in three dimensions from a single camera (Sheng, Malkiel, & Katz, 2006).…”

Section: Technical Challengesmentioning

confidence: 99%

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Sensory perception, neurobiology, and behavioral adaptations for predator avoidance in planktonic copepods

Buskey¹,

Lenz

Hartline

2011

Adaptive Behavior

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Copepods are important grazers on microplankton in marine food webs and are, in turn, preyed upon by a wide range of predators with diverse feeding adaptations. Although copepods have evolved numerous adaptations to help them avoid predation, their escape behavior sets them apart from many other planktonic organisms. Mechanoreception is widely used by copepods to detect hydrodynamic disturbances created by approaching predators. When these disturbances are detected, copepods respond quickly with escape jumps that can accelerate them from a stationary position to speeds of over 600 body lengths per second within a few milliseconds. Myelinated nerves may improve the escape behavior of some copepods through faster conduction of nerve impulses. The differences in response latencies between myelinate and amyelinate copepod species are greatest in larger copepod species, where nerve signals must be conducted over longer distances. Environmental variability such as turbulence may affect the ability of both prey to detect predators and predators to capture their planktonic prey. Small amounts of turbulence favor the predator, while too much turbulence reduces predation. Understanding the sensory physiology of copepods and their behavioral adaptations for avoiding predation will increase knowledge of the factors affecting the structure and function of marine pelagic food webs.

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“…In rivers and streams, drift-feeding fishes maximize their net energy gain by selecting microhabitats that provide velocity refuges (e.g., rocks and wood debris) to reduce swimming costs in close proximity to faster flows that supply prey (Hughes and Dill 1990;Blanchet et al 2008;Fausch 2014). Planktivorous fishes inhabiting marine reefs benefit similarly from prey transport by currents and waves (Anderson and Sabado 1995;Clarke et al 2009;Finelli et al 2009) and, more generally, by intermediate levels of turbulence in the plankton that are high enough to enhance encounter rates but low enough to not reduce pursuit and capture of prey (MacKenzie et al 1994). In lakes, waves are known to enhance fish feeding by suspending benthic invertebrates into the water column (Gabel et al 2011).…”

mentioning

confidence: 99%

Hydrodynamic mediation of killifish predation on infaunal polychaetes

Hentschel

Hayman

Anderson

2017

Limnology & Oceanography

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To explore predator‐prey interactions between California killifish (Fundulus parvipinnis) and spionid polychaetes (Polydora cornuta and Streblospio benedicti) in saltmarsh creeks, we conducted a laboratory flume experiment to quantify whether killifish prey‐patch selectivity varies with water flow. The flume included a 300‐cm2 area of defaunated sediment within which we centrally positioned 24 P. cornuta, 24 S. benedicti, or no worms as a control. We videotaped groups of three killifish for 50 min at one of six unidirectional flow speeds (3 cm s−1, 6 cm s−1, 9 cm s−1, 12 cm s−1, 15 cm s−1, or 18 cm s−1) and recorded their bite rate anywhere in the sediment vs. bites directed at the central patch containing worms (98 cm2). The number of bites anywhere in the 300‐cm2 sediment area increased as flow increased from 3 cm s−1 to 6 cm s−1 and declined linearly as flow increased further. The number of bites anywhere was lower in treatments with no worms than when either worm species was present. The percentage of bites directed at the central patch varied significantly with flow speed and worm presence. With defaunated sediment only, ∼ 33% of bites were directed at the central patch at all flows, consistent with a null model of nonselective foraging. When either worm species inhabited the central patch, ∼ 65% of bites were directed at the central patch at 3 cm s−1 and 6 cm s−1, with patch selection declining as flow increased. Despite differences in morphology and behavior, the two prey species elicited similar foraging activity by killifish. These results suggest the importance of hydrodynamics in driving these epibenthic predator‐prey interactions.

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Water flow controls distribution and feeding behavior of two co-occurring coral reef fishes: II. Laboratory experiments

Cited by 20 publications

References 40 publications

Energetics and behavior of coral reef fishes during oscillatory swimming in a simulated wave surge

Energetics and behavior of coral reef fishes during oscillatory swimming in a simulated wave surge

Sensory perception, neurobiology, and behavioral adaptations for predator avoidance in planktonic copepods

Hydrodynamic mediation of killifish predation on infaunal polychaetes

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