Ecomorphology of the digestive tract of the brazilian electric ray Narcine brasiliensis (Olfers, 1831) (Torpediniformes: Narcinidae)
| Autor: | Marcela Coffacci de Lima Viliod, Gabriela Pustiglione Marinsek, Renata de Britto Mari |
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| Rok vydání: | 2016 |
| Předmět: |
0106 biological sciences
Narcinidae Narcine biology Ecology Ecomorphology 010604 marine biology & hydrobiology Cell Biology biology.organism_classification 010603 evolutionary biology 01 natural sciences Bottom trawling Demersal zone Elasmobranchii Animal Science and Zoology Digestion Ecology Evolution Behavior and Systematics Brazilian electric ray |
| Zdroj: | Acta Zoologica. 98:229-236 |
| ISSN: | 0001-7272 |
| DOI: | 10.1111/azo.12168 |
| Popis: | Elasmobranchii shows particular characteristics that make them susceptible to the impacts caused by fishing pressure, especially bottom trawling, which mostly affect rays, as they have demersal habits. Based on food availability and feeding ability, Polychaeta and Sipunculiforme are the bases of Brazilian electric ray Narcine brasiliensis diet. Morphologically, the digestion starts in the oesophagus with acid mucines action. The existence of acid and neutral mucines in the posterior intestine prevents lesions in the mucosa and favours the passage of faeces and shell residues. Thus, this study shows the interaction between their habitat, the organisms and their morphophysiology. |
| Databáze: | OpenAIRE |
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