There are no cats in the film

There are no dogs in the film

Seagulls are shown getting kicked and slapped several times.

No insects but several crustaceans.

There are no dogs in the film

A seagull dies a horrible death by the hands of the mIn character

Yes, some dead seagulls and fishing

There are no horses in the film

There are no snakes in the film

There are no spiders in the film

There are no dragons in the film :(

No but there are a few short scenes of the characters peeping on each other through the broken roof/ through the grate on the lighthouse. Super brief and I don't think intentional.

Majorly

The two main characters do start to seem like a married couple, where some interactions and conversations could certainly be triggering to someone who has survived an abusive relationship

No, but it's mentioned that one of the characters abandoned his children long ago.

Alcohol dependence which later turns to lantern fuel dependence

There is excessive drinking of alcohol in this film, and the characters eventually resort to drinking lamp oil.

Both main characters drink excessively, almost constantly through the second half of the film. In earlier scenes, there are also some scenes of one character pressuring the other to drink, which could be triggering.

Well, the final scene can be interpreted as torture.

only in the very last shot of the entire movie. there's plenty of blood throughout, but the goriest part is the final shot, where a character is shown twitching and barely breathing with a damaged eye, while seagulls pluck at his exposed intestines.

It's not seen in the film

There is a story about people losing their teeth from scurvy though nothing is shown.

Someone was kicked in the nuts

They don't die from it, but there is heavy heavy implication of a character burning themselves and being incredibly injured from it

There is no cannibalism in the film

the head is not shown on screen

[SPOILERS] This scene is very graphic - we see dirt falling onto the victim's chest and face as he struggles to keep speaking and eventually suffocates. Near the end of the film, you'll see one main character leading the other on a leash like a dog; the live burial happens right after that.

No, but one character is missing a leg & the way he lost it is discussed several times. We never see the leg.

No hanging, but a character wears a noose around their neck.

Attempted strangulation occur several times.

There is a scene where there's a dead body without an eyeball, it's short but can be triggering.

One of the characters falls down stairs and while no specific bone breaks are shown, it’s certainly an implied consequence

The same character falls from a great height twice in the film. First non-fatally, and secondly from the top of the lighthouse and down the stairs.

An ageing character who at one point referred to his "young'uns" dies toward the end. We only get that one mention of his children; we know nothing about them except that he abandoned them long ago. We see no pictures of them or anything. They likely won't even know about his death.

There are a few instances that can be jumpy, but it’s all very minor.

Perhaps. I read that the film was conceived as a ghost story, and to be honest, what with all the hallucinations and general confusing weirdness, I can't say for sure that one of the characters wasn't a ghost from some point onward. My co-watcher said he suspected along the way that the character had actually died. As for me, I found it all a bewildering blur.

Arguably; characters are infatuated by a mystical “MacGuffin” as a significant plot device, and this influences their behavior in some significant ways, but it’s more obsession than possession. No possession by spirits, demons, etc.

at one point, robbert pattersons character attempts to throw out the contents of a chamber pot (both feces and urine). Unfortunately, he does this into the wind, and it all flies back and splatters all over him

You can definitely hear the gore when someone is hit with an ax

The lighthouse keeper, played by Willem Dafoe, farts a few times in the movie. The first time is even before you first see him. How is that for an entrance?

After a night of drinking, Robert Pattinson's character throws up from his hangover. Directly prior, they wake up to a flooded house and Robert Pattinson is trying to pee into a floating chamber pot

debatably, the entire second half could be considered one big anxiety attack. both characters are frantically fluctuating between emotions, constantly overwhelming each other, shouting at each other, and panicking.

Both characters become psychotic, and they get very violent, especially the younger one. However, neither of them has been diagnosed with anything; it's a case of "descending into madness" due to circumstances (cabin fever, you might call it). Whether one or both of them had some mental illness from the start, it's hard to say.

While there is no body dysmorphia, there is body horror in the form of weird mutations, and blending of human & animal flesh.

The movie is filled with claustrophobic scenes -- a feeling enhanced by the limited, almost square, aspect ratio.

definitely, lots of grubby eating and uncomfortable noises throughout the film. I think this eating noises are supposed to add to how uncomfortable the film, it is triggering but bearable

There is a lighthouse (lol duh) so there is often a rotating light, but I wouldn't say quite flashing.

There are no children in the movie.

No pregnancies or babies.

No pregnancies or babies.

No pregnancies or babies.

No pregnancies or babies.

While neither of the characters are canonically gay, there's definitely some subtext that's been confirmed by one of the main actors.

One character accuses another of being "slow" and a "dullard", in a manner referring to intellectual disability.

there is no black guy

masturbation, sexual imagery

One character openly gropes himself while berating another. And at one point a character gropes what he believes to be an unconscious or dead woman.

Sad isn’t quite the word for it, but it sure ain’t happy.

You might argue that mermaids are spoiled, in that the mermaid that appears is malevolent and highly sexualized (genitalia, intercourse), but you shouldn't let children watch the movie anyway! The movie is as far from being a children's movie as a movie can get.

There are no cars.

There are no planes.

There are no cars.

Blood splatters on a man when he kills another with an axe, and then you can see the axe in the man's head afterwards. A man is shown being graphically pecked by birds. A man kills a bird by smashing it, resulting in blood splatter. All in black and white.

No one dies by drowning, but a character has visions involving images of drowning.

No explosions.