A group of octopuses is most often called a consortium, with “cluster” and “aggregation” used as plain-English alternatives.
You’ve probably seen “a murder of crows” or “a crash of rhinos,” so it’s natural to wonder what a group of octopus is called. The answer has a twist: octopuses don’t spend much time in groups at all. Most of the time, you’ll spot one tucked into a den, hunting alone, or drifting across the seafloor.
So why do “group names” exist? Because English loves collective nouns, writers love vivid phrasing, and teachers love a memorable hook. Some terms show up in word lists and trivia books. A few pop up in nature writing. Only one has real staying power across dictionaries and popular usage: consortium.
What Do You Call A Group Of Octopus? Names And Meaning
If you want the clearest, most widely repeated label, use consortium. It’s the go-to collective noun you’ll see in reference lists and common explanations. It sounds formal because it’s also used for groups of people or organizations working together, which makes it a funny fit for a creature known for doing its own thing.
Still, “consortium” works for a simple reason: readers recognize it as a collective noun, and it’s become the default answer in English.
Why Octopus Group Names Feel Fuzzy
Collective nouns range from rock-solid to playful. “Herd” and “flock” are everyday terms. “Parliament of owls” is more of a set phrase than a field label. Octopus group names sit in that playful zone, since you rarely need one in real life.
When octopuses do gather, it’s usually around a shared food source, a stretch of shelter, or a good patch of seafloor. In those moments, a plain description can beat a fancy label.
One Note On Spelling: Octopus Vs. Octopuses
People get hung up on “octopi.” You’ll still see it, and it’s accepted in many places. In modern English, octopuses is widely used, and it reads clean in school and general writing. Merriam-Webster lays out how English ended up with three plural options and why “octopuses” became a standard choice. Plural of Octopus: Octopi vs. Octopuses vs. Octopodes.
That matters here because most “group” phrases you’ll write will naturally use the plural: “a group of octopuses,” “several octopuses,” “two octopuses in the same den,” and so on.
Group Of Octopus Terms And When They Fit
You’ll run into more than one proposed collective noun. Some are common in trivia lists. Others are plain descriptions that read smoothly. Use the term that matches your goal: accuracy, clarity, or a punch of style.
Consortium
This is the headline answer. If you’re writing a worksheet, a caption, a general-interest article, or a social post where readers expect a named collective noun, “consortium” is the safest pick.
Cluster
“Cluster” is plain-English and visual. It works best when the animals are close together: several octopuses tucked into a small rocky area, or two dens that share the same crevice line.
Aggregation
“Aggregation” reads neutral and a bit science-flavored without making a claim that biologists use it as a fixed term for octopuses. It’s a solid choice in school writing where you want a calm tone.
Tentacle
You may see “a tentacle of octopuses.” It’s catchy, and that’s the whole point. Still, octopuses have arms, not tentacles. In careful writing, “tentacle” can distract a reader who knows the difference. If you use it, use it with a wink, like in a trivia box or a classroom warm-up.
Nest, Bed, Or Den
These show up as suggested collectives because octopuses use dens and shelters. They work best when you’re describing a spot rather than a “named group,” like: “a den with three octopuses nearby.”
What People Say In Everyday Speech
In normal conversation, most people skip the special noun and just say “a bunch of octopuses” or “a group of octopuses.” That’s not lazy. It’s clear. It’s what readers understand on the first pass.
Here’s a quick cheat sheet of the terms you’ll see, plus when they make sense.
| Collective Noun | Best Use | What It Signals To Readers |
|---|---|---|
| Consortium | Trivia, education, general writing | Recognized “official-sounding” group name |
| Cluster | Describing animals close together | Clear picture, plain language |
| Aggregation | Neutral writing, school reports | Measured tone without extra flair |
| Den (As A Place) | When the shelter is the story | Focus on habitat and behavior |
| Nest (As A Place) | When describing a sheltered nook | Home-base vibe, not a fixed “term” |
| Bed (As A Place) | Soft, casual phrasing in narratives | Gentle tone, more story than science |
| Tentacle | Wordplay and classroom icebreakers | Fun phrasing, less precise anatomy |
| Group / Bunch | Any time clarity matters most | Direct, readable, no trivia vibe |
How Octopuses Behave When They Share Space
Octopuses have a reputation for being solo operators, and that reputation fits most species most of the time. They hunt, hide, and rest alone. That’s one reason a named collective noun feels like a parlor trick: real “groups” are not the default scene.
Still, “rare” doesn’t mean “never.” You can see multiple octopuses in the same small area when conditions line up. Food draws them in. Shelter draws them in. In places with lots of dens, several animals may settle close together for a while.
When A Group Is Really Just Neighboring Dens
Sometimes the “group” is a stretch of rock where each octopus keeps its own hideout. To a diver, it can look like a gathering, since you’re seeing several animals within a short swim. Up close, you’re watching neighbors, not roommates.
When A Group Looks Like A Crowd
Researchers have even documented dense den sites nicknamed Octopolis and Octlantis in reports and museum writing. Smithsonian’s Ocean Portal notes that most octopuses live alone, with the gloomy octopus as a known exception that can gather at these den-rich sites. Cephalopods: Octopus, Squid, Cuttlefish, and Nautilus.
In scenes like that, “cluster” or “aggregation” can be more honest than a fancy collective noun. You’re describing what you see: several octopuses using the same zone.
What This Means For Your Word Choice
If your goal is accuracy, lean on simple language: “several octopuses,” “a group of octopuses,” “multiple octopuses in nearby dens.” If your goal is a memorable line for a class poster or vocabulary list, “consortium” is the word people expect.
How To Use The Term In Writing Without Sounding Forced
Collective nouns can feel pasted-on when they show up with no setup. A quick framing line fixes that. Here are ways to use the term so it lands naturally.
In A Classroom Or Study Note
“A group of octopuses is called a consortium, though octopuses usually live alone.”
In A Nature Description
“Three octopuses shared the same rocky patch, each guarding its own den.”
In A Caption Or Social Post
“A consortium of octopuses, spotted near a line of crevices.”
Notice what’s happening: the phrase is supported by a detail that matches real behavior. That one extra clause keeps the sentence grounded.
Common Mix-Ups People Make With Octopus Group Terms
This topic pulls in a few repeat misunderstandings. Clearing them up makes your writing feel more trustworthy.
Mix-Up: “Octopi” Is The Only Plural
“Octopi” is used, and many readers recognize it. “Octopuses” is widely used in modern English and fits normal plural patterns. Some sources also list “octopodes,” which is rare in everyday writing. When you’re writing for general readers, “octopuses” keeps the sentence smooth.
Mix-Up: Octopuses Travel In Large Groups
Some animals form big schools or herds. Octopuses don’t work like that in most cases. If you see several in the same area, you’re seeing a special situation: a dense den area, a shared food source, or a stretch of good shelter.
Mix-Up: “Tentacle” Is The Anatomically Correct Word
In strict terms, octopuses have arms. Squid have arms and tentacles. Many casual sources blur the line because it’s common speech. If your site leans educational, using “arms” is a simple way to stay precise.
| What You Want To Say | Best Wording | Why It Works |
|---|---|---|
| A named collective noun | A consortium of octopuses | Most recognized “group name” in English |
| A tight gathering you can picture | A cluster of octopuses | Visual and clear with no jargon |
| A neutral, report-style line | An aggregation of octopuses | Reads calm and factual |
| Multiple animals near dens | Several octopuses in nearby dens | Matches how they share space |
| General writing that avoids trivia vibes | A group of octopuses | Most readable for broad audiences |
Quick Pick: The Best Term For Each Reader
If you’re writing for kids, quizzes, or vocabulary practice, pick consortium. It’s the term readers expect when they ask this question.
If you’re writing a report, a study note, or a biology-flavored paragraph, “a group of octopuses” or “several octopuses” is the cleanest line.
If you’re writing a scene where the animals are close together, “cluster” is an easy win. It paints a picture without acting like there’s a single official label that scientists use every day.
References & Sources
- Merriam-Webster.“Plural of Octopus: Octopi vs. Octopuses vs. Octopodes.”Explains accepted plural forms and why “octopuses” is a standard modern choice.
- Smithsonian Ocean Portal.“Cephalopods: Octopus, Squid, Cuttlefish, and Nautilus.”Notes typical solitary octopus behavior and documents rare den-dense gathering sites.