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 urine is just a dark yellow color at times, especially when you donât drink enough fluids, then you donât need to worry. Dark yellow urine is a sign of dehydration.