New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

🌿 Sustainable Seafood ⚡ Omega-3 Rankings 🔬 Mercury Safety 🏆 World Records 🎣 Fishing Licenses
API Docs
Get API Key →
🌊 Marine Near Threatened ⚠️ Venomous ⚡ Venomous 🌡️ Subtropical

Blotched stingray

Urotrygon chilensis Günther, 1872
← All Species
Max Length
41.9 cm
Max Weight
-
Lifespan
-
Trophic Level
3.6
Depth
1–60 m
Climate
Subtropical
Resilience
Low
Vulnerability
64.00/100
Typical Length
35 cm
Depth Zone
demersal

📖 Overview

Found on soft bottoms of shallow water . Feeds mainly on small crustaceans, mollusks, polychaete worms and fishes .

Scientific Name
Urotrygon chilensis
Authority
Günther, 1872
Habitat
Marine
Climate
Subtropical
IUCN Status
NT
Max Length
41.9 cm
Depth Range
1–60 m
Trophic Level
3.6
Resilience
Low
Vulnerability
64.00/100
Salinity
30–40 ppt

🐟 Physical Description

Physical description for Blotched stingray is currently being compiled.

🌀 Behaviour

Behavioural data for Blotched stingray is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Ovoviviparous

Ovoviviparous.

🌍 Habitat & Distribution

Marine; demersal; depth range 1 - 60 m . Subtropical; 32°N -

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.6±0.53
Food Items

small crustaceans, mollusks, polychaete worms and fishes (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.0166 × L3.1 (TL)
Max TL
41.9cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Near Threatened
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
64.00/100
High vulnerability
Trophic Level
3.6
Predator
Climate Zone
Subtropical
Described By
Günther, 1872

⚠️ Venom Profile

Medical Warning: This species is venomous. Seek immediate medical attention if envenomated. Contact emergency services and follow first aid guidance below.
Venom Type
proteinaceous neurotoxin
Delivery
dorsal, anal, and pelvic fin spines
Potency
Severe
Mortality Risk
Low
Symptom Onset
5min
Duration
24.0hrs
Antivenom
✗ Not Available
Named Toxins
high-molecular-weight protein (Stonustoxin analogue) acetylcholine
Symptoms
  • immediate intense pain
  • swelling
  • erythema
  • occasional nausea and weakness
Affected Body Systems
peripheral nervous system cardiovascular
First Aid
Immerse affected area in hot water (45 C, tolerable) for 30-90 minutes to denature toxin. Do not apply ice.
Medical Treatment

Analgesia; wound care; tetanus prophylaxis; severe cases may require monitoring for systemic effects.

References: Compiled from Bhide (2018), Halstead et al. (1988) and family-specific envenomation literature

🌐 Names & Taxonomy

Language Common Names
🇬🇧English blotched stingray · Chilean Round Ray · Thorny Round Stingray
🌍CES tlustoocaska chilská
🇵🇹Portuguese Raia-disco-espinhosa
🇪🇸Spanish raya redonda moteada

Scientific Synonyms

Scientific Name Author Year Status
Urolophus chilensis Günther 1872 Synonym
Urolophus goodei Jordan & Bollman 1890 Synonym
Urotrygon goodei Jordan & Bollman 1890 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 8 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Blotched stingray ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.