鯨 is a Japanese kanji written with 19 strokes, listed here under the keyword “whale”. It is built from 魚 (fish) and 京 (capital). In Remembering the Kanji by James W. Heisig it is frame 337.
On KumiJi Glyph Explorer, open the parts search and type “fish” + “capital”. 鯨 is among the results, together with every other character containing the same shapes.
Open 鯨 in the interactive kanji search
to expand every part down to its smallest pieces, add your own names and mnemonic stories,
or search for other characters by their parts.