Is Sea cucumber kosher?
No — Sea cucumber is not kosher under Jewish dietary law.
Not kosher. Echinoderm, no fins or scales.
Image: Photo by Top left: Klaus Rassinger (Museum Wiesbaden) Top right: Katie Ahlfeld Bottom right: Jon Zander (Digon3) Bottom left: Espen Rekdal · licensed CC BY-SA 4.0 · source
About Sea cucumber
Soft-bodied marine invertebrates with elongated bodies, eaten as a delicacy in parts of Asia.
Kosher ruling
Not kosher. Echinoderm, no fins or scales.
Source: Orthodox Union