Pectoral Spine Locking and Sound Production in the Channel Catfish Ictalurus punctatus

Fine, Michael L.; Friel, John; Mcelroy, David; King, Charles B.; Newton, Scott H.

doi:10.2307/1447295

Cited by 83 publications

(116 citation statements)

References 19 publications

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“…Parallels are noteworthy as the different radiators, the pectoral girdle in catfishes and the swimbladder in Atlantic croaker, appear to be affected similarly in the two media. The acoustic properties of channel catfish sounds from domesticated stocks (Fine et al, 1996;Fine et al, 1997) share similarities with those of blue catfish, and work on the scaling of acoustic parameters to channel catfish size (Fine et al, 1999) shows similar trends to our current findings in blue catfish. There are a few marked differences between the two species.…”

Section: Research Articlesupporting

confidence: 78%

“…A single study found stridulatory sounds in agonistic behavior in the brown bullhead, Ameiurus nebulosus (Rigley and Muir, 1979), and 'handheld' sounds and the morphological basis of sound production have been described in domesticated (Fine et al, 1996;Fine et al, 1997) and wild (Vance, 2000) channel catfish, Ictalurus punctatus. These sounds are produced when catfish are held, and they have been interpreted as distress calls as pectoral stridulation motions were observed when channel catfish were captured tail-first in the mouth of a largemouth bass but were not produced before the catfish was attacked (Bosher et al, 2006).…”

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confidence: 99%

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Developmental variation in sound production in water and air in the blue catfish Ictalurus furcatus

Ghahramani

Mohajer

Fine

2014

Journal of Experimental Biology

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Blue catfish, Ictalurus furcatus, the largest catfish in North America, produce pectoral stridulation sounds (distress calls) when attacked and held. They have both fish and bird predators, and the frequency spectrum of their sounds is better matched to the hearing of birds than to that of unspecialized fish predators with low frequency hearing. It is unclear whether their sounds evolved to function in air or water. We categorized the calls and how they change with fish size in air and water and compared developmental changes in call parameters with stridulation motions captured with a high-speed camera. Stridulation sounds consist of a variable series of pulses produced during abduction of the pectoral spine. Pulses are caused by quick rapid spine rotations (jerks) of the pectoral spine that do not change with fish size although larger individuals generate longer, higher amplitude pulses with lower peak frequencies. There are longer pauses between jerks, and therefore fewer jerks and fewer pulses, in larger fish, which take longer to abduct their spines and therefore produce a longer series of pulses per abduction sweep. Sounds couple more effectively to water (1400 times greater pressure in Pascals at 1 m), are more sharply tuned and have lower peak frequencies than in air. Blue catfish stridulation sounds appear to be specialized to produce underwater signals although most of the sound spectrum includes frequencies matched to catfish hearing but largely above the hearing range of unspecialized fishes.

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Section: Research Articlesupporting

confidence: 78%

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confidence: 99%

Developmental variation in sound production in water and air in the blue catfish Ictalurus furcatus

Ghahramani

Mohajer

Fine

2014

Journal of Experimental Biology

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“…To investigate the macroevolutionary signature of predation, we focus on the relationship between fin spines and body dimensions. Body shape may be influenced by numerous selective forces [43], but spines are primarily an anti-predator trait, though they may also aid locomotion and have been co-opted for communication in some lineages [44].…”

Section: Introductionmentioning

confidence: 99%

How predation shaped fish: the impact of fin spines on body form evolution across teleosts

2015

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It is well known that predators can induce morphological changes in some fish: individuals exposed to predation cues increase body depth and the length of spines. We hypothesize that these structures may evolve synergistically, as together, these traits will further enlarge the body dimensions of the fish that gape-limited predators must overcome. We therefore expect that the orientation of the spines will predict which body dimension increases in the presence of predators. Using phylogenetic comparative methods, we tested this prediction on the macroevolutionary scale across 347 teleost families, which display considerable variation in fin spines, body depth and width. Consistent with our predictions, we demonstrate that fin spines on the vertical plane (dorsal and anal fins) are associated with a deeper-bodied optimum. Lineages with spines on the horizontal plane ( pectoral fins) are associated with a wider-bodied optimum. Optimal body dimensions across lineages without spines paralleling the body dimension match the allometric expectation. Additionally, lineages with longer spines have deeper and wider body dimensions. This evolutionary relationship between fin spines and body dimensions across teleosts reveals functional synergy between these two traits and a potential macroevolutionary signature of predation on the evolutionary dynamics of body shape.

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“…They were dissected under a Leica M10 stereoscopic microscope to expose the anterior part of the vertebral column and the skull (Fig.1). Specimens were carefully skeletonised with boiling water to remove all remnants of flesh tissue and oven dried at 60°C (see Fine et al, 1997). To assess the role of the buccal jaws in sound radiation, specimens were placed in a dissecting tray and maintained in a lateral position using modeling clay.…”

Section: Sound Resonance Experimentsmentioning

confidence: 99%

“…Among vertebrates, teleost fishes have evolved the largest diversity of sonic organs, including stridulation of bony structures, plucking of stretched tendons and contraction of intrinsic and extrinsic sonic muscles that excite swimbladder vibration by deformation of its wall (Tavolga, 1971;Demski et al, 1973;Kratochvil, 1978;Fine et al, 1997). Damselfishes (Pomacentridae) are among the best-studied group in terms of sound production, with more than 20 species belonging to seven genera reported as sound emitters (Takemura, 1983;Myrberg et al, 1986;Lobel and Mann, 1995;Amorim, 1996;Santiago and Castro, 1997;Lobel and Kerr, 1999;Picciulin et al, 2002;Parmentier et al, 2005;Parmentier et al, 2006a;Maruska et al, 2007;Parmentier et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

Further insight into the sound-producing mechanism of clownfishes: what structure is involved in sound radiation?

Colleye

Nakamura

Frederich

et al. 2012

Journal of Experimental Biology

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SUMMARYIt was recently demonstrated that clownfishes produce aggressive sounds by snapping their jaw teeth. To date, only the onset of the sound has been studied, which raises the question, what structure is involved in sound radiation? Here, a combination of different approaches has been used to determine the anatomical structure(s) responsible for the size-related variations observed in sound duration and frequency. Filling the swimbladder with physiological liquid specifically modified size-related acoustic features by inducing a significant decrease in pulse duration of approximately 3ms and a significant increase in dominant frequency of approximately 105Hz. However, testing the acoustics of the swimbladder by striking it with a piezoelectric impact hammer showed that this structure is a highly damped sound source prevented from prolonged vibrations. In contrast, the resonant properties of the rib cage seems to account for the size-related variations observed in acoustic features. For an equivalent strike on the rib cage, the duration and dominant frequency of induced sounds changed with fish size: sound duration and dominant frequency were positively and negatively correlated with fish size, respectively. Such relationships between sonic features and fish size are consistent with those observed in natural sounds emitted by fish. Therefore, the swimbladder itself does not act as a resonator; its wall just seems to be driven by the oscillations of the rib cage. This set of observations suggests the need for reassessment of the acoustic role of swimbladders in various fish species.

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Pectoral Spine Locking and Sound Production in the Channel Catfish Ictalurus punctatus

Cited by 83 publications

References 19 publications

Developmental variation in sound production in water and air in the blue catfish Ictalurus furcatus

Developmental variation in sound production in water and air in the blue catfish Ictalurus furcatus

How predation shaped fish: the impact of fin spines on body form evolution across teleosts

Further insight into the sound-producing mechanism of clownfishes: what structure is involved in sound radiation?

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