PeerJ Author 200 Points Contributions by role Author 200 Contributions by subject area Biodiversity Zoology Freshwater Biology Hamid Niksirat PeerJ Author Summary Biodiversity Zoology Past or current institution affiliations University of South Bohemia PeerJ Contributions Articles 2 March 7, 2023 Comparative ultrastructure of the antennae and sensory hairs in six species of crayfish Golara Kor, Kifayatullah Mengal, Miloš Buřič, Pavel Kozák, Hamid Niksirat https://doi.org/10.7717/peerj.15006 PubMed 36908819 August 24, 2016 Fine structure of the spermatozoon in three species of Cambaridae (Arthropoda: Crustacea: Decapoda) Cambarus robustus, Orconectes propinquus and Orconectes rusticus: a comparative biometrical study Buket Yazicioglu, Přemek Hamr, Pavel Kozák, Antonín Kouba, Hamid Niksirat https://doi.org/10.7717/peerj.2363 PubMed 27635333