FEEDING HABITS OF MAYUPA (Sternopygus macrurus Bloch & Schneider, 1801) IN THE SINU RIVER, COLOMBIA

Revista MVZ Córdoba

Olaya-Nieto, Charles¹  Barrera-Chica, Javier¹  Soto-Fernández, Pedro¹ 

[1] Universidad de Córdoba, Lorica, Colombia

关键词: : Sternopygus macrurus;    feeding habits;    Sinu river;    Colombia;   

DOI  :  

学科分类：兽医学

来源: Universidad de Cordoba * Facultad de Medicina Veterinaria y Zootecnia

【 摘 要 】

Objective. To study the feeding habits of Mayupa (Sternopygus macrurus Bloch & Schneider, 1801) in the Sinu river, Colombia. Materials and methods. The stomach contents were analyzed using the proportion of empty stomachs, grade of digestion, frequency of occurrence, numerical frequency, gravimetry, relative importance index (RII) and the gut length (GL)- total length (TL) relationship. Results. Only few stomachs were empty (VC =6.9%) and the 60.0% of preys were fresh. Four food items were identified: fishes, crustaceans, vegetable raw and others. Fishes was the group most frequent (46.5%), abundant (44.7%), with the greatest composition in weight (81.9%) and with greatest relative importance (63.2%). Conclusions. The results indicates that Mayupa is a carnivorous feeding habits fish, with preference by fishes.

【 授权许可】

Unknown