sea poker vs sea poacher

sea poker and sea poacher both are nouns.

Word	Noun	Adjective	Verb	Adverb
sea poker	Yes	No	No	No
sea poacher	Yes	No	No	No

As nouns, sea poker and sea poacher are synonyms defined as:

sea poker and sea poacher: small slender fish (to 8 inches) with body covered by bony plates; chiefly of deeper northern Pacific waters

Other synonyms of sea poker include poacher.

sea poker (noun)	sea poacher (noun)
small slender fish (to 8 inches) with body covered by bony plates; chiefly of deeper northern Pacific waters	small slender fish (to 8 inches) with body covered by bony plates; chiefly of deeper northern Pacific waters