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🌊 Marine Endangered ⚠️ Venomous ⚡ Traumatogenic 🌡️ Tropical

Leopard whipray

Himantura undulata Bleeker, 1852
Max Length
410 cm
Max Weight
-
Lifespan
-
Trophic Level
3.6
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
79.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Demersal on soft substrate inshore. Ovoviviparous . Size at birth about 20 cm WD and 92 cm TL . Caught occasionally in the demersal tangle net, bottom trawl and longline fisheries. Utilized for its meat, skin (high value) and cartilage.

Scientific Name
Himantura undulata
Authority
Bleeker, 1852
Habitat
Marine
Climate
Tropical
IUCN Status
EN
Max Length
410 cm
Latitude
24°S – 30°N
Trophic Level
3.6
Vulnerability
79.00/100
Salinity
30–40 ppt

🐟 Physical Description

Physical description for Leopard whipray is currently being compiled.

🌀 Behaviour

Behavioural data for Leopard whipray is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

Size at Maturity
87.5cm TL

Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures . Distinct pairing with embrace . Distinct pairing with embrace .

🌍 Habitat & Distribution

Marine; demersal. Tropical; 30°N - 24°S West Pacific: Bay of Bengal to New Guinea, north to the Ryukyu Islands, south to northern Australia.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.6±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.01023 × L3.06 (TL)
Max TL
410cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2020

📊 Population Risk & Fisheries

Fishing Vulnerability
79.00/100
Very High vulnerability
Trophic Level
3.6
Predator
Climate Zone
Tropical
Latitude Range
30°N – 24°S
Described By
Bleeker, 1852

⚠️ 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 cytotoxic
Delivery
serrated caudal spine (barb)
Potency
Severe
Mortality Risk
Low
Symptom Onset
5min
Duration
24.0hrs
Antivenom
✗ Not Available
Named Toxins
phosphodiesterase 5-nucleotidase cardiotoxin peptides
Symptoms
  • intense pain
  • laceration
  • oedema
  • retained spine fragments possible
Affected Body Systems
cardiovascular muscular
First Aid
Hot water immersion. Do not remove embedded barb from chest or abdomen - medical removal only.
Medical Treatment

Wound care, imaging for retained spine, tetanus prophylaxis, antibiotic prophylaxis for marine wounds.

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

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