khorasan-e-razavi province in the northeast of iran possesses varied climatic and geographical conditions that lead to a rich biodiversity. an investigation on the status of the fish fauna was carried out from march to october 2013. a total of 401 specimens was collected and identified, from 30 localities among seven counties in this province. sampling was performed using hand net, cast net and...

This study investigate investigated the length-weight, length-length relationships and condition factor of eight fish species collected from Bashar River, Tigris drainage by sampling 341 specimens Alburnus sellal (Heckel, 1843), Barbus karunensis (Khaefi, Esmaeili, Geiger & Eagderi, 2017), Capoeta aculeate (Valenciennes, 1844), coadi (Alwan, Zareian 2016), Chondrostoma regium Garra gymnotho...

The reproductive characteristics of an endemic labeonine fish, Garra tibetana, were investigated by examining 778 individuals collected monthly, from December 2015 to November 2016, in the lower Yarlung Tsangpo River, Tibet, China. Results showed that females predominated overall population with a sex ratio 1:0.73, while for mature was 1:1. Standard length at first maturity estimated as 82.4 mm...

A hundred years ago, the Toraja people did not exist. "Toraja" was merely a derogatory term applied by the Bugis and Makassarese living in the lowlands of the southwest peninsula of Sulawesi (then called Celebes) to any of the many different peoples living in the mountainous regions of the peninsula and central Sulawesi. Today, Tana Toraja (Toraja Land) is an administrative district in the prov...

Mujib and Haidan rivers were sampled in July 2011 to identify fish populations in the riverine system, and to investigate the impact caused by the existence of two dams. Fishes were sampled by electofishing gear through 14 sampling points distributed along the two rivers. The Mujib Dam lake was sampled by gillnets. A total of 2,854 fish specimen were caught during the study of which most consis...

Size structure data particularly that of length and weight is very important fisheries management tool, which is also applied to assess the health, habitat and integrity of the rivers. Nepal is tremendously rich in both fisheries and water resource and thus, this analysis is very important. However, this kind of analysis is not common in fisheries studies and hence the size structure informatio...

Caudal neurosecretory system is an additional neuroendocrine system found in fishes. Great variation has been observed among different groups of fishes, so far its organization is concerned. Much work has been undertaken on the caudal neurosecretory system of elasmobranchs and teleosts. large size scattered Dahlgren cells in the posterior end of spinal cord, corresponding to last few vertebrae,...