Surrounded by three walls on a land of ruins, as Israeli bombs continue to rain down from the skies, for many in Gaza, the sea remains the only open horizon, a shimmering promise of elusive freedom.Its waters, and the fish within them, have long nourished Palestinians cut off from the world, partially easing the pain of Israel’s bombardment, punishing siege and starvation policies.Recommended Stories list of 3 itemsend of listTargeting a meal for his family, Salem Abu Amira – known to locals as “The Beast” – dives deep beneath the waves. Al Jazeera’s Ibrahim Alkhalili reports from Gaza City.“People here call me ‘The Beast’ because I managed to catch a fish that was more than a metre and a half [5ft] long. It is rare – but the truth is I’ve caught many big fish,” Abu Amira tells Al Jazeera.Free diving runs in Salem Abu Amira’s blood. He learned the craft from his father at a young age – a skill passed down through generations and a lifeline for his family.Before Israel’s war, Gaza’s fishermen sailed far out to sea, where the waters teemed with fish. In 2020, the World Bank estimated that about 18,000 people in Gaza directly depended on fishing for their livelihoods, with an extended effect on more than 110,000 family members.But Israel’s genocidal war decimated that and their lives. Salem Abu Amira, known to locals as ‘The Beast’, prepares to freedive off the coast of Gaza [Al Jazeera]“We can no longer reach the places we used to. Now we can only fish close to the shore – where there are no big fish,” Abu Amira says.“Restrictions have been imposed on us since the beginning of the war and continue to this day. But I have no source of livelihood. I can’t just sit at home wa …