The noun A. TESTUDINEUS has 1 sense: 1. a small perch of India whose gills are modified to allow it to breathe air; has spiny pectoral fins that enable it to travel on land. Familiarity information: A. TESTUDINEUS used as a noun is very rare. Dictionary entry details.
If the urine appears thick or has granules in it I'd suspect bladder stones/crystals or infection. The bright yellow color can sometimes indicate a liver or gallbladder problem.
If your body is dehydrated,then to conserve water in your body your kidney tries to give out minimal water during urination. As a result your urine is thick and appears more yellow than usual. 2. It could be a kidney disorder as well.