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Ontogeny of the suspensorial and opercular musculature in the suckermouth armoured catfish Ancistrus cf. triradiatus (Loricariidae, Siluriformes)

Tom Geerinckx (UGent) and Dominique Adriaens (UGent)
(2008) ZOOMORPHOLOGY. 127(2). p.83-95
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Abstract
Several morphological features characterizing Loricariidae or suckermouth-armoured catfishes (Siluriformes, Teleostei) are related to their ability to attach onto substrates with their sucker mouth, and to scrape algae and other food items from these substrates. Suspensorial and opercular muscles are among those muscles usually involved in respiration (and feeding). In several loricariids including the genus Ancistrus, the opercular musculature is decoupled from the respiratory mechanisms. Results show that the adductor arcus palatini is relatively large throughout the whole ontogeny, while the levator arcus palatini is minute. It develops in association with the dilatator operculi, which exhibits substantial growth only in the juvenile and adult stages. The levator and adductor operculi are connected during early ontogeny, and anterior fibres of the latter muscle differentiate into the adductor hyomandibulae, a muscle previously thought to be absent in loricariids. Relative muscle sizes and orientations, as well as articular transformations and the transition from cartilaginous to bony skeletal elements, indicate ontogenetic transformations in the skeleto-muscular system, affecting and steering functionalities.
Keywords
development, catfishes, muscle function, myology, nerves, ASTATOTILAPIA-ELEGANS TELEOSTEI, CLARIAS-GARIEPINUS BURCHELL, PHYLOGENETIC-RELATIONSHIPS, CYPRINIFORM FISHES, FEEDING MECHANISM, MORPHOLOGY, RESPIRATION, CLARIIDAE, CICHLIDAE, MUSCLES

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Citation

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MLA
Geerinckx, Tom, and Dominique Adriaens. “Ontogeny of the Suspensorial and Opercular Musculature in the Suckermouth Armoured Catfish Ancistrus Cf. Triradiatus (Loricariidae, Siluriformes).” ZOOMORPHOLOGY 127.2 (2008): 83–95. Print.
APA
Geerinckx, T., & Adriaens, D. (2008). Ontogeny of the suspensorial and opercular musculature in the suckermouth armoured catfish Ancistrus cf. triradiatus (Loricariidae, Siluriformes). ZOOMORPHOLOGY, 127(2), 83–95.
Chicago author-date
Geerinckx, Tom, and Dominique Adriaens. 2008. “Ontogeny of the Suspensorial and Opercular Musculature in the Suckermouth Armoured Catfish Ancistrus Cf. Triradiatus (Loricariidae, Siluriformes).” Zoomorphology 127 (2): 83–95.
Chicago author-date (all authors)
Geerinckx, Tom, and Dominique Adriaens. 2008. “Ontogeny of the Suspensorial and Opercular Musculature in the Suckermouth Armoured Catfish Ancistrus Cf. Triradiatus (Loricariidae, Siluriformes).” Zoomorphology 127 (2): 83–95.
Vancouver
1.
Geerinckx T, Adriaens D. Ontogeny of the suspensorial and opercular musculature in the suckermouth armoured catfish Ancistrus cf. triradiatus (Loricariidae, Siluriformes). ZOOMORPHOLOGY. 2008;127(2):83–95.
IEEE
[1]
T. Geerinckx and D. Adriaens, “Ontogeny of the suspensorial and opercular musculature in the suckermouth armoured catfish Ancistrus cf. triradiatus (Loricariidae, Siluriformes),” ZOOMORPHOLOGY, vol. 127, no. 2, pp. 83–95, 2008.
@article{410868,
  abstract     = {Several morphological features characterizing Loricariidae or suckermouth-armoured catfishes (Siluriformes, Teleostei) are related to their ability to attach onto substrates with their sucker mouth, and to scrape algae and other food items from these substrates. Suspensorial and opercular muscles are among those muscles usually involved in respiration (and feeding). In several loricariids including the genus Ancistrus, the opercular musculature is decoupled from the respiratory mechanisms. Results show that the adductor arcus palatini is relatively large throughout the whole ontogeny, while the levator arcus palatini is minute. It develops in association with the dilatator operculi, which exhibits substantial growth only in the juvenile and adult stages. The levator and adductor operculi are connected during early ontogeny, and anterior fibres of the latter muscle differentiate into the adductor hyomandibulae, a muscle previously thought to be absent in loricariids. Relative muscle sizes and orientations, as well as articular transformations and the transition from cartilaginous to bony skeletal elements, indicate ontogenetic transformations in the skeleto-muscular system, affecting and steering functionalities.},
  author       = {Geerinckx, Tom and Adriaens, Dominique},
  issn         = {0720-213X},
  journal      = {ZOOMORPHOLOGY},
  keywords     = {development,catfishes,muscle function,myology,nerves,ASTATOTILAPIA-ELEGANS TELEOSTEI,CLARIAS-GARIEPINUS BURCHELL,PHYLOGENETIC-RELATIONSHIPS,CYPRINIFORM FISHES,FEEDING MECHANISM,MORPHOLOGY,RESPIRATION,CLARIIDAE,CICHLIDAE,MUSCLES},
  language     = {eng},
  number       = {2},
  pages        = {83--95},
  title        = {Ontogeny of the suspensorial and opercular musculature in the suckermouth armoured catfish Ancistrus cf. triradiatus (Loricariidae, Siluriformes)},
  url          = {http://dx.doi.org/10.1007/s00435-007-0054-0},
  volume       = {127},
  year         = {2008},
}

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