Anatomical characterization of the digestive system of the pufferfish (Chilomycterus spinosus spinosus)



Document title: Anatomical characterization of the digestive system of the pufferfish (Chilomycterus spinosus spinosus)
Journal: Acta scientiarum. Biological sciences
Database: PERIÓDICA
System number: 000433605
ISSN: 1679-9283
Authors: 1
1
1
1
Institutions: 1Centro Universitario de Rio Preto, Sao Jose do Rio Preto, Sao Paulo. Brasil
Year:
Volumen: 41
Country: Brasil
Language: Inglés
Document type: Artículo
Approach: Analítico, descriptivo
English abstract Descriptive studies of the fish digestive system are fundamental because they provide information on the biology of the species. Thus, the objective of this study was to morphologically describe the digestive system of the pufferfish, Chilomycterus spinosus spinosus. For this, adult specimens of pufferfish (n = 10) of both sexes were used. The animals were fixed with 10% aqueous formaldehyde solution, dissected, analyzed descriptively and photographed. The results demonstrate that the pufferfish has a morphologically modified digestive system, which is adapted to the defense behavior. This species presents a pouch-shaped diverticulum, that is called abdominal pouch, which allows the expansion of the celomatic cavity and the temporary storage of food. Although it is used to store food, macroscopically the abdominal pouch does not show gastric folds. However, this absence is compensated by a small intestine containing innumerable villi
Disciplines: Biología
Keyword: Peces,
Anatomía e histología,
Peces marinos,
Anatomía comparada,
Tracto digestivo,
Chilomycterus spinosus spinosus,
Tetrodontidae
Keyword: Fish,
Anatomy and histology,
Marine fish,
Comparative anatomy,
Digestive tract,
Chilomycterus spinosus spinosus,
Tetrodontidae
Full text: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/44645/pdf