shrimps don't really have either. They certainly dont have scales. You could call some of the paddle like structurs in pelagic shrimp 'fins' but i probably wouldnt.
Yes all species of Tuna have both scales and fins.
There are many classes of fish which do not have scales nor fins. The Agnatha has neither fins nor scales; the Condrichthye, including sharkes, rays and skeats have fins but no scales; the Ostichthyes, of which several families have members with the common name, mackerel, with both scales and fins. The King Mackerel, S. cavalla, has very tiny scales and fins.
Most. There are very few fish that have no scales and all fish have fins.
yes
Water animals must have scales and fins to be considered kosher.
yes they are in their stomach
No, fish must have both scales and fins.
Yes, the tilapia fish has both fins and scales. Like most bony fish, tilapia possesses paired fins (pectoral and pelvic) as well as unpaired fins (dorsal and anal fins). Additionally, it is covered with scales, which are typical characteristics of many fish species.
No it does not have scales, and yes, it has fins
Yes, although they don't look exactly the same as fish scales, if you look closely their bodies are covered in scales and very small fins.
Yes all tuna have fins and scales
Tilapia fish has fins and scales like any other fish. The tilapis fins and scales are less difficult to remove.