Tiger's-jaw Toxic?

Updated 2026-03-06| 4 min read| 2,080 found this helpful

Faucaria tigrina is confirmed non-toxic, with no recorded poisoning cases in humans or animals in existing scientific literature

Despite its non-toxic status, this species is not suitable to be used as feed for pets, livestock, or working animals

All visually similar related succulent species in the Aizoaceae family listed in reference data are also non-toxic, reducing misidentification risk

FAQ

Is Tiger's-jaw toxic to Humans?

No documented adverse symptoms reported from accidental ingestion of small quantities (Non-toxic)

Is Tiger's-jaw toxic to Cats?

No documented toxicity symptoms reported for felines to date (Non-toxic)

Is Tiger's-jaw toxic to Dogs?

No documented toxicity symptoms reported for canines to date (Non-toxic)

Is Tiger's-jaw toxic to Horses?

No documented toxicity symptoms reported for equines to date (Non-toxic)

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Toxicity Details

Humans

Non-toxic

No documented adverse symptoms reported from accidental ingestion of small quantities

Cats

Non-toxic

No documented toxicity symptoms reported for felines to date

Dogs

Non-toxic

No documented toxicity symptoms reported for canines to date

Horses

Non-toxic

No documented toxicity symptoms reported for equines to date

Toxicity Snapshot

Toxic PartsNo toxic parts identified; the entire plant is confirmed non-toxic per existing research

Exposure RouteNo harmful exposure routes confirmed; small incidental ingestion is not associated with adverse effects, though intentional consumption is not recommended

Toxic CompoundsNo known toxic constituent compounds identified in published research

First Aid & Prevention

First 30 Minutes

• Rinse mouth with clean water to remove plant residue if small quantities are ingested
• Monitor the exposed human or animal for 24 hours for any unusual gastrointestinal discomfort as a general precaution
• Save remaining plant material for formal identification if unexpected symptoms develop

Contact Vet Immediately

• If an animal ingests very large quantities of the plant and displays persistent vomiting, diarrhea, or lethargy
• If you are unable to confirm the plant's identity and suspect it may be a toxic lookalike species
• If an animal with pre-existing chronic health conditions ingests any quantity of the plant

Prevention

• Do not use Faucaria tigrina as a feed source for any animals
• Label all ornamental succulents clearly to avoid misidentification with potentially toxic species
• Keep all houseplants out of reach of young children and teething pets as a standard safety precaution

Treatment & Prognosis

• Provide only supportive care for mild transient gastrointestinal symptoms if they occur after large-volume ingestion
• Confirm plant identification first to rule out ingestion of a misidentified toxic species before administering targeted treatment
• No specific antidote is required as no toxic compounds are present in this species

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Professional Toxicology

Scientific NameFaucaria tigrina (Haw.) Schwantes

AliasesMesembryanthemum tigrinum Haw. (scientific synonym)、Tigerrachen (German)、Tiger-Rachenblatt (German)、Tigermäulchen (German)、Gueule-de-tigre (French)、Mascella di tigre (Italian)

Toxicity Grade

HumansNon-toxic

CatsNon-toxic

DogsNon-toxic

HorsesNon-toxic

Target Organs

No organ damage associated with exposure to this species has been reported in peer-reviewed literature

Mechanism of Action

• No toxic mechanism identified, as the species does not contain confirmed harmful constituents

Other Species Risk (CliniTox)

Information from CliniTox veterinary text.

All domestic and grazing animals: No confirmed poisoning cases reported across any animal species; the plant remains unsuitable for use as a feed source despite its non-toxic status

Confusion Risk

The following plants look similar and may be confused:

Other Faucaria species Faucaria spp.

Visually similar due to shared triangular, toothed succulent leaf structure; all confirmed non-toxic, no adverse risk from misidentification

Ice plant species Delosperma spp.

Related Aizoaceae family member with matching fleshy succulent foliage; all confirmed non-toxic, no poisoning risk from misidentification

Vygie species Lampranthus spp.

Related succulent with comparable low-growing growth habit; all confirmed non-toxic, no adverse effects from misidentification

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Related Toxic Plants

Kanna

Sceletium tortuosum

Low toxicity: may cause sedation, dizziness, or gastrointestinal distress if ingested in large quantities

Oxalate-containing mesembryanthemum

Mesembryanthemum spp. (toxic varieties)

Moderate toxicity: contains soluble oxalates that can cause oral irritation, digestive upset, and kidney damage in large doses

Highway ice plant

Carpobrotus edulis

Low to moderate toxicity: may cause digestive upset and electrolyte imbalance in grazing animals if consumed in large volumes

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Data Sources

1. CliniTox (Universität Zürich)

This information is for reference only and does not constitute medical advice. If ingestion or poisoning is suspected, seek medical or veterinary attention immediately.