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.
A: When your urine color is almost clear; it means you're well hydrated or you drank a lot of water. That's the normal color of urine-i.e. clear/yellow. The stomach ache is probably some indigestion or is the result of some foods that you ate that didn't agree well with you.