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You are here: Home / Associated publications / Belgian Journal of Zoology / Bibliographic References / On the anatomy and function of the cephalic structures in Phractura (Siluriformes : Amphiliidae), with comments on some striking homoplasies occurring between the Doumeinae and some loricaroid catfishes

R Diogo, C Oliveira and M Chardon (2000)

On the anatomy and function of the cephalic structures in Phractura (Siluriformes : Amphiliidae), with comments on some striking homoplasies occurring between the Doumeinae and some loricaroid catfishes

BELGIAN JOURNAL OF ZOOLOGY, 130(2):117-130.

The morphology and function of the cephalic structures related to the feeding mechanism movements of the mouth, suspensorium, opercular series, hyoid arch, maxillary barbels and mandibular barbels - was studied in two catfish species of the genus Phractura (Amphiliidae: Doumeinae), P. intermedia and P. brevicauda. For comparison, other species of the family Amphiliidae, as well as a large number of other catfishes, were also studied. The morpho-functional analysis pointed out that Phractura, as well as the other doumeins, present several unusual morphological modifications, which are very likely related to two main functional specialisations: the ability to attach the body to the substrate with an oral sucker, and the ability to scrape this substrate. The comparison with other siluriforms revealed an impressive number of morpho-functional homoplasies occurring between the African doumeins and the South-American callichthyids, scoloplacids, astroblepids and loricariids.

Amphiliidae; catfish; Doumeinae; ecomorphology; evolution; feeding mechanisms; functional morphology; homoplasies; Phractura; Siluriformes
BJZ

ISSN 2295-0451 (online version)
ISSN 0777-6279 (printed version)
impact factor 2015: 0,87.

Editor-in-Chief:
Prof. Dr. Isa Schön
Royal Belgian Institute of Natural Sciences
Vautierstraat 29
1000 Brussels, Belgium

 



1863-1903
Annales de la Société malacologique de Belgique
 
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​Annales de la Société royale malacologique et zoologique de Belgique
 
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Annales de la Société Royale Zoologique de Belgique
 
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Belgian Journal of Zoology