Some gross morphological studies on the internal anatomy of the scaled common carp fish (Cyprinus carpio) in Egypt

Document Type : Original Article

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Department of Anatomy and Embryology, Faculty of Veterinary Medicine, Cairo Univer- sity

Abstract

he present work was carried out on fresh ten scaled carp fish of weight range 1.5 – 3.5 kg. The fishes were subjected to fine dissection to demonstrate the anatomy of the digestive, respiratory and urogenital organs. Carp fish had a terminal mouth, no teeth on both jaws and this was compensated by well-developed pharyngeal pad and pharyngeal teeth. No stomach could be observed but the beginning of the intestinal tract formed an intestinal swelling. The intestinal tract throughout its length formed three U-shaped loops. The liver was relatively large and formed of multiple hepatic fragments that surrounded and dispersed between most of the viscera. The gall bladder was a large sac situated on the right side of the intestinal swelling. Five pairs of gill arches were observed and the last pair was united forming the pharyngeal bone. The swim bladder was two chambered and was physostomous type. The kidneys were differentiated into head and trunk kidneys. The ovaries were large oval bodies that occupied most of the abdominal cavity. The testes consisted of 5-6 irregular lobes


The obtained results were photographed, described and discussed with their corresponding features of authors who performed earlier stud- ies in other fish species.

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