Two pronunciations: gé in 蛤蜊 (clam) and 蛤蚧 (gecko), and há in 蛤蟆 (háma, toad). The internet slang 蛤 (há) references a famous meme about a Chinese political figure's laugh.
culture
Online, 蛤 (há) became massive internet slang in China — '膜蛤' (mó há) is a meme subculture referencing a senior political figure's distinctive laugh and speech mannerisms.