塗蝨 [涂虱]

Jyutping tou4 sat1
Pinyin tú shī

Definitions (Wiktionary)
  1. noun, Min-Nan
    (small) catfish
    (syn.) 鯰魚, 鲶仔, 鲶鱼, 鯰仔, 鯰仔魚, 鲶仔鱼