Vine's Expository Dictionary: View Entry
ἰχθύς ichthýs, ikh-thoos'; of uncertain affinity; a fish:—fish.
The KJV translates Strong's G2486 in the following manner: fish (20x).
a fish
Strong's Number G2486 matches the Greek ἰχθύς (ichthys),
which occurs 20 times in 18 verses
in the TR Greek.