flat-headed goby (Luciogobius guttatus)
A small goby found in coastal waters and estuaries; the name literally means 'earthworm goby'.
I found a flat-headed goby on the tidal flat.
Katakana spelling is common for this fish name; usually written in kana.
Rare kanji spelling; usually written in kana.
Compound of ミミズ (earthworm) and ハゼ (goby), referring to its elongated, worm-like body shape.