CJK Unified Ideograph-9Be2

It names a salamander, but the surrounding language decides the reading. Early dictionary tradition glosses 鯢 as a salamander-like fish. The build is transparent: 魚 marks it as an aquatic animal, 兒 gives the sound cue.

That label later broadened. In literary use 鯢 can also point to a female whale or a small fish, so the lone glyph is a clue, not a translation.

鯢 Japanese meaning

Japanese keeps both the salamander and the female-whale readings. One reading names the salamander, the other names a female whale. Chinese formal usage instead leans on compounds such as 鯢魚 and 大鯢 for the giant salamander.

Compounds do the disambiguating: 鯢魚 narrows it to salamander, 鯨鯢 means female whale or, by classical allusion, a monstrous ringleader, and 鯢鮒 means small fish.

someone sent me 鯢 alone — what do I do?

Ask for the language and the full word. 鯢 is a typed CJK glyph, so your font draws it and stroke details can shift between fonts. That never changes the identity or creates new emoji artwork.

Do not lock in “salamander” from the single glyph. Ask which word it came from, then read 鯢魚, 鯨鯢, or 鯢鮒 as three different answers.