The story of Fish Tank: a volatile teenager's dangerous attraction
Fish Tank opens on Mia—a 15-year-old girl who's all sharp edges and nowhere to go. She's angry. She's alone. She lives with her mother and sister in a cramped London flat, and she's determined to become a hip-hop dancer, spending her days in sweats, learning moves from music videos, convinced that talent and determination will be her escape route. Her mother (Kierston Wareing) is immature, irresponsible, more interested in her own social life than in parenting. Her sister is just there. Nobody cares about Mia, and Mia—cheerfully, defiantly—doesn't care about them either. That's the equilibrium. Then her mother brings home Connor (Michael Fassbender), a charming, good-looking man who's renting a room. He's polite but distant. He doesn't fawn over her or try to be her friend. He has no time for her histrionics, which infuriates her even more. And that's when everything breaks.
What makes Fish Tank so unsettling isn't just the premise—it's the way director Andrea Arnold refuses to soften it. Mia's attraction to Connor isn't cute or comedic. It's desperate, confused, and tinged with something darker. She's a child reaching for an adult who represents escape, maturity, everything her chaotic home isn't. Arnold doesn't judge Mia for this, but she doesn't romanticize it either. The film sits in that uncomfortable space where you understand Mia's longing while recognizing how dangerous it is. That tension never lets go.
Behind the making of Fish Tank: Arnold's debut and its critical triumph
Fish Tank was Andrea Arnold's feature film directorial debut, and it announced her as a major filmmaking voice. The film premiered at the 2009 Cannes Film Festival, where it won the Jury Prize—a significant recognition that immediately signaled critical seriousness. When it was released theatrically, it didn't set the box office on fire (earning just $374,675 worldwide), but critics and awards bodies took notice immediately. At the 2010 BAFTAs, Fish Tank won Best British Film, beating out more commercially prominent titles. The film went on to rack up 21 wins and 30 nominations across major award ceremonies, including recognition from film festivals and critics' organizations globally.
Katie Jarvis carries the entire film as Mia, delivering a performance that's raw, unglamorous, and completely committed. She was relatively unknown at the time, which works perfectly—there's no star veneer to hide behind. Michael Fassbender, already building his reputation as a serious actor, plays Connor with a deliberate coolness that makes his character's moral ambiguity feel lived-in rather than performed. Kierston Wareing as the mother is equally unsentimental; she's not a villain, just a woman who's checked out. The supporting cast—Harry Treadaway, Rebecca Griffiths, and others—fill out a world that feels authentically working-class British, neither patronizing nor overly gritty. The film isn't rated, which allowed Arnold complete creative freedom in how she depicts the film's most uncomfortable moments.
What makes Fish Tank stand out: performance, intimacy, and uncompromising direction
What's striking about Fish Tank is how intimate it feels despite its bleak subject matter. Arnold shoots much of it handheld, getting close to Mia's face, her body, her movements. When she dances—and there are several sequences where she's alone, moving to music—it's the most alive she appears. Those moments are almost transcendent. The contrast between Mia in motion and Mia at rest, trapped in her small world, is the film's emotional core. She's capable of beauty, grace, even joy. But the world around her doesn't have space for that. It keeps crushing her back down.
The critical consensus was overwhelming. Rotten Tomatoes rated it 91% Fresh, and Metascore gave it 81/100—both scores reflecting the film's artistic merit and emotional power. Variety and other major outlets praised Arnold's unflinching direction and Jarvis's performance. What critics kept returning to was the film's refusal to offer easy answers or catharsis. There's no redemptive arc, no moment where Mia gets what she wants or learns a clean lesson. Life just keeps happening, messy and indifferent. That's what makes it so honest. I keep coming back to a scene midway through where Mia tries to impress Connor by dancing for him—it's excruciating to watch because you can feel her vulnerability, her need, and his discomfort all at once. That's the film's genius. It doesn't let you look away from the awkwardness.
The film was ranked 65th on the BBC's 100 Greatest Films of the 21st Century and 91st on The New York Times' list of the 100 Best Movies of the 21st Century—recognition that it's not just a good debut, but a genuinely important work of cinema. Arnold's camera work and the film's sound design (sparse, naturalistic) create an atmosphere that feels claustrophobic and real. There's no manipulative score telling you how to feel. You're just in Mia's world, watching her make choices that are both understandable and self-destructive.
Where to stream Fish Tank online
If you're looking to watch Fish Tank, it's currently available on Prime Video. Movie OTT keeps track of where titles are streaming across platforms, so you can check the Where to Watch widget at the top of this page for the most up-to-date availability in your region. Streaming rights shift, so it's worth confirming before you hit play. The film's 117-minute runtime means you'll want to carve out time when you're ready to sit with it—this isn't something to half-watch while scrolling your phone. It demands attention.
Frequently asked questions
Q: Who directed Fish Tank?
Andrea Arnold wrote and directed Fish Tank as her feature film debut. It was a breakthrough moment for her career, leading to subsequent acclaimed work including the films American Honey and Milkshake, as well as the TV series Big Little Lies.
Q: What's the age rating for Fish Tank?
The film is not rated, which gave Arnold complete creative control over its content. It contains mature themes and situations that make it inappropriate for young viewers, despite the protagonist being a teenager.
Q: Is Fish Tank based on a true story?
No, Fish Tank is an original screenplay written by Andrea Arnold. However, its emotional authenticity and specificity make it feel drawn from real life, which is part of its power.
Q: Where can I watch Fish Tank?
Fish Tank is currently streaming on Prime Video. Check the Where to Watch widget on this page for the most current availability, or visit Movie OTT's streaming guide to see where it's available in your country.
Q: How long is Fish Tank?
The film runs 117 minutes (1 hour 57 minutes), giving Arnold enough time to build atmosphere and let scenes breathe without rushing toward resolution.
Final thoughts on Fish Tank
Fish Tank isn't easy. It won't make you feel good or send you off with a sense of closure. But it will stay with you—the image of Mia dancing alone in her room, the awkward dinner scenes, the way her desperation radiates off the screen. It's a film about a girl who wants out so badly she can taste it, and the terrible, ordinary ways life keeps her trapped. That's why it matters. If you're willing to sit with discomfort and watch a young actor give everything to a role, don't skip it. This is essential cinema from a director who had something to say and said it without compromise.
