No—this is not a real facehugger. Dulcibella camanchaca is an amphipod crustacean, a new genus and species described from the hadal Atacama Trench. Researchers report that it is a roughly 4-centimeter predator that hunts smaller amphipods.
The resemblance to the fictional creature from Alien is only a visual comparison. The research describes specialized appendages used to capture prey, not a parasite that attaches to people or other large animals.
Dulcibella camanchaca at a glance
| Feature | What researchers report |
|---|---|
| Scientific name | Dulcibella camanchaca |
| Animal group | Amphipod crustacean, family Eusiridae |
| Size | 38.9 millimeters for the holotype; nearly 4 centimeters |
| Location | Atacama (Peru–Chile) Trench |
| Collection depth | 7,902 meters |
| Specimens collected | Four individuals |
| Expedition | 2023 Integrated Deep-Ocean Observing System expedition |
| Formal description | 2024 |
| Reported feeding behavior | Active predation on smaller amphipods |
The 38.9-millimeter holotype measurement comes from the 2024 paper in Systematics and Biodiversity; the Woods Hole Oceanographic Institution (WHOI) describes the animal as nearly 4 centimeters long. WHOI and the paper report that four individuals were collected at 7,902 meters during the 2023 expedition.
What kind of animal is it?
Dulcibella camanchaca is an amphipod crustacean in the family Eusiridae. It is not the fictional organism suggested by the facehugger comparison. The species description identifies it as a distinct genus and species based on its anatomy and DNA evidence.
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Researchers describe its specialized raptorial appendages as tools for capturing smaller amphipods. WHOI reports it as a fast-swimming predator. The key distinction is scale: this is a small crustacean reported to hunt other small crustaceans, not a giant sea monster.
Why do scientists call it a predator?
The research describes Dulcibella as an active predator that uses specialized raptorial appendages to capture smaller amphipods. WHOI and the taxonomic paper report that behavior and its significance in the extreme Atacama depths.
The finding should be stated precisely: the paper presents it as the first large, active predatory amphipod reported from these extreme Atacama depths. That does not mean the trench had no predators of any kind before this discovery.
Read the species description in Systematics and Biodiversity and WHOI’s account of the discovery for the reported identification and behavior.
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The discovery at 7,902 meters
WHOI reports that four specimens were collected during the 2023 Integrated Deep-Ocean Observing System expedition in the Atacama Trench. A lander carrying scientific equipment, including baited traps, recovered the animals. After recovery, the specimens underwent morphological and genetic analysis at the Universidad de Concepción.
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The collection depth was 7,902 meters, according to WHOI and the 2024 taxonomic paper. The holotype—the name-bearing reference specimen—measured 38.9 millimeters, according to the paper.
Four specimens provide the basis for the formal description, but the sources reviewed do not establish the species’ broader abundance, population size, or geographic range.
Life in the Atacama Trench
The Atacama, also called the Peru–Chile, Trench is a hadal environment in the eastern South Pacific. Dulcibella camanchaca was collected there at 7,902 meters. The research paper says the discovery reinforces the distinctiveness of the trench’s ecological and evolutionary community.
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The discovery is notable because it documents a large, active predatory amphipod at these extreme depths. It adds a new genus to the amphipod family Eusiridae and contributes to the scientific understanding of the Atacama Trench community.
Is it actually a facehugger?
No. “Facehugger” is a pop-culture comparison, not a biological identification. Dulcibella camanchaca is a real crustacean whose reported prey are smaller amphipods.
| Fictional facehugger | Dulcibella camanchaca |
|---|---|
| Fictional organism | Amphipod crustacean |
| Associated with attaching to a host | Research reports predation on smaller amphipods |
| Part of a fictional life cycle | A newly described genus and species in family Eusiridae |
| Horror-film creature | Animal collected from the Atacama Trench |
The reviewed research does not describe Dulcibella as a parasite, an animal that attaches to people, or a threat to people. Its headline-making appearance should not be confused with evidence of facehugger-like behavior.
How did scientists identify a new genus and species?
The researchers combined morphological examination with DNA barcoding. The taxonomic paper reports that these lines of evidence supported distinguishing Dulcibella from similar genera and placing it in the amphipod family Eusiridae.
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Scan for outdated or missing drivers - takes under a minuteDriver Scan →Repair Windows errors before they cause bigger problemsFix Now →Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →A new genus and species is a formal taxonomic finding: it means the researchers judged the specimens distinct from previously named groups. The primary description is available in Systematics and Biodiversity.
What does it eat?
WHOI and the species description report that Dulcibella camanchaca hunts smaller amphipods using specialized raptorial appendages. The sources reviewed do not establish a complete diet or quantify how often it hunts.
The finding matters because the research describes this as a large, active predatory amphipod from extreme Atacama depths. It should not be expanded into a claim that the trench previously had no predators.
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Could it hurt a person or a pet?
The reviewed research does not describe Dulcibella as a threat to people or pets. It reports a small amphipod predator whose prey are smaller amphipods. There is no evidence in the reviewed sources that it attaches to people or parasitizes large animals.
What remains unknown?
The supplied research establishes the species from four collected individuals, but does not provide broader statistics on its abundance or population size. Its reported discovery is an important starting point; the reviewed sources do not establish its full range or complete natural history.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Why this discovery matters
The scientific importance is not that the animal resembles a movie monster. The discovery adds a new genus to Eusiridae and documents a large, active predatory amphipod from extreme depths in the Atacama Trench.
The 2024 paper describes Dulcibella camanchaca as a novel predator and says the finding reinforces the trench’s eco-evolutionary distinctiveness. That is a more useful conclusion than calling it a real facehugger.
Frequently Asked Questions
What is Dulcibella camanchaca?
It is an amphipod crustacean in the family Eusiridae, described as a new genus and species from the Atacama Trench.
How big is Dulcibella camanchaca?
The 2024 taxonomic paper gives the holotype length as 38.9 millimeters. WHOI describes the animal as nearly 4 centimeters long.
Where and how deep was it found?
Four individuals were collected at 7,902 meters in the Atacama Trench during the 2023 Integrated Deep-Ocean Observing System expedition, according to WHOI and the taxonomic paper.
What does Dulcibella camanchaca eat?
Researchers report that it is an active predator of smaller amphipods, using specialized raptorial appendages to capture them.
Is it dangerous to people?
The reviewed sources do not describe it as a threat to people or as an animal that attaches to or parasitizes humans.
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Bottom line: The “real facehugger” is Dulcibella camanchaca, a roughly 4-centimeter amphipod crustacean collected at 7,902 meters in the Atacama Trench. Researchers identified it as a new genus and species and report that it hunts smaller amphipods; the facehugger label is only a visual comparison.
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