Osteologyical Study of Paraschistura delvarii (Nemacheilidae) from Gulf Basin, Southwest of Iran

For osteological studying of Paraschistura delvarii, thirty-three specimens of this species were collected from Gharah-aghaj river in Gulf basin (Fars Provance) by electro shocker. Fish were preserve 10% formaldehyde. Osteological studies were performed on all specimens following transportation to the laboratory samples were cleared and stained. The most important skeletal characteristics to distinguishthis species from other members included: T shaped Basihyal bone, 3 basibranchial in apparatus bones and small sesamoeid bone in snout.