Source: Tafsir al-Ahlam al-Kabir (Ibn Sirin)
The net in a dream indicates cunning and deceit. Falling into it indicates falling into hardship. A fishing net indicates striving to seek sustenance.
Source: Ta'tir al-Anam fi Ta'bir al-Manam (Al-Nabulsi)
The net indicates religion or prison. Whoever sees himself fishing with it will gain sustenance.
Source: Al-Isharat fi Ilm al-Ibarat (Ibn Shahin)
The net is interpreted as worry. Whoever sees himself fall into it will be afflicted with worry.