2003
DOI: 10.1046/j.1095-8312.2003.00231.x
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Morphological convergence of pharyngeal jaw structure in durophagous perciform fish

Abstract: This study investigated the ecomorphology of pharyngeal jaw structure and durophagy in three families of marine teleosts: the Sciaenidae, Haemulidae and Carangidae. Regressions of the bone and muscle mass of pharyngeal jaws were generated to elucidate the differences associated with eating hard‐bodied and soft‐bodied prey; within‐family comparisons revealed significant differences in masses of bones and muscles involved with processing the former. Generally, the durophagous species −Trachinotus carolinus (Cara… Show more

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Cited by 68 publications
(72 citation statements)
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“…Conversely, prey-processing mechanisms have generally been examined indirectly or purely descriptively (see also Sibbing, 1982;Drucker and Jensen, 1991;Hernandez and Motta, 1997), with the exception of sciaenid pharyngeal jaw mastication, which is a decoupled feeding mechanism (Grubich, 2003;Grubich, 2005;Grubich and Westneat, 2006). Existing preycapture models suggest that the specific contributions of distinct input mechanisms (e.g.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…Conversely, prey-processing mechanisms have generally been examined indirectly or purely descriptively (see also Sibbing, 1982;Drucker and Jensen, 1991;Hernandez and Motta, 1997), with the exception of sciaenid pharyngeal jaw mastication, which is a decoupled feeding mechanism (Grubich, 2003;Grubich, 2005;Grubich and Westneat, 2006). Existing preycapture models suggest that the specific contributions of distinct input mechanisms (e.g.…”
Section: Introductionmentioning
confidence: 99%
“…One notable exception, pharyngeal mastication, is governed by a functionally unique pharyngeal jaw apparatus (PJA), which decouples the primary mandibular jaw apparatus from preyprocessing tasks (Sibbing, 1982;Grubich, 2003;Wainwright, 2005). The PJA is thus mechanically and functionally distinct from the mandibular jaws Wainwright, 2005).…”
Section: Introductionmentioning
confidence: 99%
“…However, LPJ fusion through suturing is not limited to cichlids. Suturing of the two ceratobranchials composing the cichlid LPJ resemble the condition found in a several non-Labroidei fish clades such as Gerres, Lepomis and Pogonias that lack a muscular sling but frequently consume molluscs (Stiassny & Jensen 1987;Galis & Drucker 1996;Grubich 2003). The repeated coupling of greater LPJ fusion and durophagy during teleost evolution makes the apparent pharyngeal jaw convergence between cichlids and other labroids functionally less surprising.…”
Section: Discussionmentioning
confidence: 94%
“…Because the pharyngeal jaw is the primary location of prey processing in most bony fishes (Liem 1973), pharyngeal jaw modifications frequently determine, what prey fishes can exploit (Wainwright 1989;Galis & Drucker 1996;Grubich 2003). The importance of pharyngeal jaw modifications to cichlid trophic divergence is clearly evident in species that are polymorphic in their pharyngeal morphology.…”
Section: Introductionmentioning
confidence: 99%
“…Some basal teleosts, including salmonids (Salmoniformes) and bony-tongues (Osteoglossomorpha) have a tongue-bite apparatus, used in raking prey-processing behaviours Lauder 1989, 1990; Konow and Sanford 2008a, b;Konow et al 2008). Most neoteleosts have a pharyngeal jaw apparatus used for pharyngognathy, which includes crushing, grinding and winnowing prey processing (Liem 1973;Aerts et al 1986;Claes and De Vree 1991;Drucker and Jensen 1991;Grubich 2000Grubich , 2003Wainwright 1989aWainwright , 2006Gidmark et al 2013). Yet, it is unknown if prey processing occurs in neoteleosts with a different or reduced oropharyngeal dentition, relative to a pharyngeal jaw apparatus.…”
Section: Introductionmentioning
confidence: 97%