This study supplemented the way of sex determination fish based on regression relationship some morphological indicators Mystus mysticetus. A total 425 specimens were collected by trawl nets at Cai Rang - Can Tho and Long Phu Soc Trang from January to July 2022. After collection, transferred laboratory determine their length (TL), standard (SL), eye diameter (ED), distance (DE), body height (BD...

Thirteen freshwater animals consisting of 8 species of fish, 1 species of shrimps and crabs and 3 species of mollusks collected during September 2000 from 8 sites in 4 districts of Chiang Mai Province: Hang Dong, San Pa Tong, Chom Tong and Hot were investigated for helminthes. Two metacercariae were recovered from 4 species of fish with the prevalence of 80.32%; Metacercariae of Stellantchasmus...

The genus Glyphidops Enderlein, 1922, the most widespread and speciose of the New World genera of Neriidae (Diptera), is revised herein. Glyphidops (Glyphidops) ruselatus, new species, G. (G.) steyskali, new species and G. (G.) coracinus, new species are described. Of the 16 previously described species, which were last treated by Aczél (1961), the following synonyms are proposed: Chaetomeriste...

Many ant species displaying synanthropic behavior that have successfully dispersed in urban areas can cause problems in hospitals by acting as bacterial vectors. In this study, we encountered bacteria on ants collected at the Universidade Federal de Uberlândia hospital, in the campus and at households nearby. The ants were identified as Tapinoma melanocephalum (Fabricius) and Camponotus vittatu...