Strong's #2485: ichthudion (pronounced ikh-thoo'-dee-on)
diminutive from 2486; a petty fish:--little (small) fish.
Thayer's Greek Lexicon:
̓́
ichthudion
1) a little fish
Part of Speech: noun neuter
Relation: diminutive from G2486
Usage:
This word is used 2 times:
Matthew 15:34: "Seven, and a few little fishes."
Mark 8:7: "And they had a few small fishes: and he blessed, and commanded to set them also before"