Yes, all members of the salmon family are.
Yes, like most fish.
Yes, rainbow trout do have scales.
Scales
It breathes through gills, has scales and lives in the water which makes trout a fish.
It breathes through gills, has scales and lives in the water which makes trout a fish.
Yes, trout, a species of fish that has both fins and easily removable scales, is a kosher species.
Because it has many colors, like a rainbow. I think.
rainbow trout get there name from the colours that shine in there skin. rainbow trout rock!
It has scales that are rainbowy and has purple polka-dots and has my name on it. It also lives in my toilet.
The noun doesn't change in possessive form. A trout is still a trout regardless of whether it's a dead trout, a delicious trout, your trout, my trout, or his trout.
No
Rainbow trout
The form 'trouts' is the plural for types of trout. The noun for trout is both singular and plural for the fish. For example: The fish: Look at all those trout! The types: The trouts we serve are river trout and brown trout.