Source: Tafsir al-Ahlam al-Kabir (Ibn Sirin)
The fishing hook in a dream indicates cunning and deceit in seeking sustenance. Whoever sees himself fishing with it will gain sustenance through cunning.
Source: Ta'tir al-Anam fi Ta'bir al-Manam (Al-Nabulsi)
The fishing hook indicates a gossiping man who strives for corruption.
Source: Al-Isharat fi Ilm al-Ibarat (Ibn Shahin)
The fishing hook is interpreted as worry. Whoever sees himself fishing with it will be afflicted with worry.