Yes
Tilapia fish has fins and scales like any other fish. The tilapis fins and scales are less difficult to remove.
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.
Fish are kosher if they have fins and scales. There is no prohibition against eating bottom feeding fish so long as they meet the fins and scales requirement.
No it does not have scales, and yes, it has fins
yes
yes
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.
Yes all tuna have fins and scales
Yes all species of Tuna have both scales and fins.
Fish that do not have fins and scales include lampreys and hagfish.
Most. There are very few fish that have no scales and all fish have fins.
Pacu are a type of piranha. They do have scales, like most fish, as well as fins.