Once you get in here you are already dead
Due to the setting and tone, this film is very soul-crushing and there's little moments where our protagonists aren't suffering in one way or another.- The first scene with Padak being sold off to the restaurant, she's terrified, trapped in a small box and desperately tries to escape before being caught again and shipped off.
- Padak's first song, when she believes everything that happened to her was just a dream. Singing about how she is relieved that it's all a nightmare and that she's still free. Only for that illusion to shatter once she wakes up and sees that all that she witnessed the night prior wasn't a dream.
- The dying fish that gets killed after being thrown in the Tank, he starts off recovering after nearly dying as food, wakes up to a bunch of fellow fish pushing him towards certain death, all while begging them to let him recover, not wanting to die. His pleas are ignored and he's thrown in the Master's lair where he is unceremoniously killed, with his corpse thrown out to be eaten by the others.
- Spotty's death, after Padak is presumed to have died at the claws of the Crabs and then being taken by a human kid, the Master forbids anyone from talking about her, clearly venting out his own emotions to try and forget her, only for Spotty to defy him and try to talk the King Crabs to escape, which Jooldom tries unsuccesfully to beg Spotty not to do. But he does not succeed and is instead Killed Offscreen, with all the other fish (Even Snapper and Sea Bass) being clearly distraught over the sight of his mauled corpse. When Anago decides not to let his body go to waste and starts eating it, everyone recoils in disgust and fear, with the Master eventually calling out Anago on his apathy and daring to eat their friend, which only prompts the eel to call out the Master on his selfish nature and cowardice, clearly venting out his frustrations and hidden resentment.
- The Master's Near-Death Experience, he witnesses fish in the restaurant being killed for food in various horrific manners. Including being beheaded, cut up alive, boiled, grinded, eaten alive too. As well as the traumatizing sight of corpses and body parts thrown down a drain... Including Spotty's own body, which prompts the Master to have a flashback to when Spotty's tail was bitten off by Jooldom, during which he inducted the fish into his ideals of merely surviving, even with Spotty questioning it, in a rather defiant manner, while he does not cry, a water drop rolls down his eye, pretty much showing us the grief and maybe even sheer guilt over all that he's done.
- Padak's final song. As she apologizes to the Master for believing he'd killed and ate Spotty. You can hear the Master singing along with her. And she dies as soon as the song ends.
- Spotty's death and the fact that the other fish (other than Anago) refuse to eat him shows how much he meant to them.
- Padak's Death. After all she went through she dies a very anticlimatic and abrupt death. Even worse, it's framed the same way that the Master's flashbacks to the moment of the death of his mate was, with the Master being helpless to save either and vainly swimming in their direction, only being able to look helplessly at their deaths. Even worse, when Padak dies, the Master doesn't even tries to play dead when a couple of human costumers pass by as he's too distraught by Padak's death to notice, even with Jooldom trying to warn him.
- The Master's backstory. He was born in a fish farm and brought over to the restaurant in Tank 3, where he met a female flatfish that had been caught from the ocean. The two fell in love with each other and kept each other company, the Master would usually be told stories of the ocean from his mate, who encouraged him to not be a downer and to have hope of escaping one day... Only for one day to be killed off right as she told the Master how to play dead and avoid getting eaten, the Master only realizes she's been taken after he notices her absence in the Tank and can only helplessly watch as she's beheaded and then served up as food.
- Even worse given the scene where he remembers it he has a full-on panic attack, undoubtedly born out of sheer trauma of his experiences.
- The end credits. We see the master swimming to freedom, following a school of mackerel to the open ocean and then arriving at a beautiful coral place while a song about freedom and the ocean plays. One can easily interpret it as all the deceased fishes' voices speaking to the humans about the cruelty they go through and their desire to live.
- We see a female flatfish getting eaten alive by the customers and from where Padak can see it happening, she pitifully says "Help me", over and over again. Only, there is no-one who can help her and there is no help to be given in the state she's in.
