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Morphological adaptations to pectoral fin adduction in Pomatoschistus lozanoi (Gobiidae)
Adriaens, D.; Decleyre, D.; Verraes, W. (1993). Morphological adaptations to pectoral fin adduction in Pomatoschistus lozanoi (Gobiidae), in: Chardon, M. et al. Third Belgian Congress of Zoology, 5-6 November 1993. Belgian Journal of Zoology, 123(Suppl. 1): pp. 3-4
In: Chardon, M.; Goffinet, G. (Ed.) (1993). Third Belgian Congress of Zoology, 5-6 November 1993. Belgian Journal of Zoology, 123(Suppl. 1). University of Liège: Liège. 109 pp., meer
In: Belgian Journal of Zoology. Koninklijke Belgische Vereniging voor Dierkunde = Société royale zoologique de Belgique: Gent. ISSN 0777-6276; e-ISSN 2295-0451, meer
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| Beschikbaar in | Auteurs |
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Documenttype: Samenvatting
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| Trefwoorden |
Marien/Kust; Brak water; Zoet water |
| Auteurs | | Top |
- Adriaens, D., meer
- Decleyre, D., meer
- Verraes, W.
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| Abstract |
Pomatoschistus lozanoi is a goby with a typical benthic life style. Forward propulsion, generated through pectoral fin adduction is of great importance during locomotion. The present morphological study is based on dissections, clearing with staining and serial sectioning of several specimens of Pomatoschistus lozanoi. The study gives a detailed de scription of the osteological and myological components, as well as of the ligaments of the girdle-apparatus. Like several other benthic fishes, gobies seem to have well developed pectoral fins. The strongly branched fin rays articulate with an enlarged distal margin of the rigid shoulder plate, formed by the plate-like proximal radial bones. Well developed adductor muscles are present between the shoulder girdle and the fin rays, necessary for a powerful pectoral fin adduction. This -drag based- pectoral propulsion is optimised in Pomatoschistus lozanoi due to some morphological adaptations in skeletal and muscular structures. Thus in Pomatoschistus lozanoi the pectoral girdle seems to be better adapted to pectoral fin adduction than in a generalised teleost fish. |
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