New record and redescription of Uranoscopus crassiceps Alcock, 1890 (Uranoscopidae) from Oman, Arabian Sea, northwestern Indian Ocean, based on adult specimens

The stargazer Uranoscopus crassiceps is recorded from off the south coast of Oman for the first time. It is redescribed on the basis of four adult specimens. The species is characterised by a large head (head length 2.7-2.9 in standard length, 2.6-2.7 in juveniles and subadults), and a relatively long pelvic fin (pelvic-fin length 4.2-4.6 in SL, 4.5-5.2 in juveniles and subadults); lower edge of preopercle with 4-7 spines; labial fimbriae well developed; both nostrils with short tubiform valve; dorsoposterior margin of pectoral-fin truncate; lower half of pectoral-fin and membranes of caudal-fin greenish yellow in fresh specimens; 52-54 oblique scale-rows along the sides of the body in adults, 41-54 in juveniles and subadults.