The Atlantic goliath grouper or itajara (Epinephelus itajara), commonly known as the jewfish, is a large saltwater fish of the grouper family found primarily in shallow tropical waters among coral and artificial reefs at depths from 5 to 50 m (16 to 164 ft)
This is a fish. It is not Jewish.
Auricularia auricula-judae, known as the Jew’s ear, wood ear, jelly ear or by a number of other common names, is a species of edible Auriculariales fungus found worldwide. The fruiting body is distinguished by its noticeably ear-like shape and brown colouration; it grows upon wood, especially elder.
This is a fungus. It is not Jewish.
Jew’s mallow is highly discernable for its semi-smooth, half-woody branches and its broad, serrated, slightly pointed leaves that possess two tail-like projections at the base. It is also notable for its small yellow flowers that grown singularly, instead of in clusters like in other small shrubs.
This is a flowering plant. It is not Jewish.
From The Jew’s Harp Guild:
The Jew’s Harp is a small musical instrument which is held against the teeth or lips, and plucked with the fingers. Its appearance in many cultures of the world, and ancient roots, attest to the magical essence of this simple instrument.
This is a mouth-instrument. It is not Jewish.
From My Grandmother:
So? Let them like Jesus. But they gotta bother me every time I’m trying to walk down the street? Who needs it?
This is a Christian organization. It is not Jewish.