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🌊 Marine Least Concern 🍽️ Edible ⚠️ Venomous ⚡ Venomous 🌡️ Tropical

Estuarine stonefish

Synanceia horrida Linnaeus, 1766
Max Length
60 cm
Max Weight
-
Lifespan
-
Trophic Level
4.4
Depth
0–40 m
Climate
Tropical
Resilience
Very low
Vulnerability
63.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Inhabits coastal reefs and estuaries . Makes a shallow depression by scooping up sand or mud with its pectoral fins until it is piled up around the sides of its body. Lies motionless on sandy bottom areas. Comes out at night and often moves on top of reefs . In Guinness Book of Records as most venomous fish . Solitary in coral rubble and rocks, extremely difficult to detect (Ref 90102).

Scientific Name
Synanceia horrida
Authority
Linnaeus, 1766
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
60 cm
Depth Range
0–40 m
Trophic Level
4.4
Resilience
Very low
Vulnerability
63.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 13 - 14; Dorsal soft rays (total): 6; Anal spines: 3; Anal soft rays: 5. A drab species, usually brownish grey to reddish brown with a pattern of fine lines across the caudal fin. Eyes well elevated compared to the reef stonefish S. verrucosa . : fusiform / normal; Cross section: oval.

🌀 Behaviour

Behavioural data for Estuarine stonefish is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; brackish; reef-associated; depth range 0 - 40 m . Tropical West Pacific: India to China, Philippines, Papua New Guinea and Australia.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish 🪸 Reef Associated
Trophic Level
4.4±0.8
🧍 Solitary

📐 Morphometrics

Length–Weight Relationship: W = 0.01622 × L3.05 (TL)
Max TL
60cm
Dorsal Spines
14
Dorsal Rays
6
Anal Spines
3
Anal Rays
5

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2017

📊 Population Risk & Fisheries

Population Resilience
Very low
Minimum doubling time
Fishing Vulnerability
63.00/100
High vulnerability
Trophic Level
4.4
Apex / Top predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Linnaeus, 1766

⚠️ 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 and neurotoxic
Delivery
dorsal spines with venom glands
Potency
Potentially lethal
Mortality Risk
Moderate
Symptom Onset
2min
Duration
48.0hrs
Antivenom
✓ Available
Named Toxins
Stonustoxin verrucotoxin trachynilysin
Symptoms
  • excruciating pain
  • tissue necrosis
  • cardiovascular collapse
  • pulmonary oedema
Affected Body Systems
cardiovascular respiratory peripheral nervous system muscular
First Aid
Immediate immersion in hot water; call emergency services immediately.
Medical Treatment

CSL Stonefish antivenom (Australia); intensive supportive care; wound debridement.

Antivenom: CSL Stonefish Antivenom

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

🍽️ Edibility & Flavour

"Estuarine stonefish is an edible species."

✗ Not for Raw
✓ Fresh Indicators
  • Clear, bright eyes — cloudy eyes indicate age
  • Firm flesh that springs back when pressed
  • Fresh ocean smell, never strong or ammonia-like
  • Bright red or pink gills, not grey or brown
  • Shiny, moist skin with scales tightly attached
✗ Avoid If
  • Cloudy or sunken eyes
  • Strong fishy or ammonia odour
  • Soft, mushy flesh that doesn't spring back
  • Discoloured or dry flesh
Best Cooking Methods
Baking Grilling Pan-frying

⚡ Nutrition

Per 100g cooked - Source: USDA FoodData Central

Nutrient Amount
Protein 18.2 g
Omega-3 (total) 190 mg

🔬 Mercury Safety

Mercury data for Estuarine stonefish has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.

🌿 Sustainability

Best Choice
Healthy stocks, low impact
Good Alternative
Well-managed, minor concerns
Use Caution
Check sourcing and season
Avoid
Overfished or high impact

🔬 Full Nutritional Profile

Per 100g - Raw, per 100g - Source: USDA FoodData Central templates (generic fish average)

Proximate Composition
Energy125 kcal
Moisture75 %
Protein20 %
Total Fat4 %
Ash1.3 %
Fatty Acids (g)
Saturated Fat1 g
Monounsaturated Fat1.2 g
Polyunsaturated Fat1.5 g
Omega-3 Total1 g
EPA0.3 g
DHA0.5 g
Omega-6 Total0.3 g
Key Minerals & Vitamins
Calcium20 mg
Iron0.7 mg
Magnesium30 mg
Phosphorus220 mg
Potassium380 mg
Sodium55 mg
Zinc0.5 mg
Selenium32 µg
Vitamin B122 µg

📊 Population Dynamics

Year Region Index Notes
- - -

🌐 Names & Taxonomy

Language Common Names
🇯🇵Japanese Tsunodarumaokoze · ツノダルマオコゼ

Scientific Synonyms

Scientific Name Author Year Status
Scorpaena horrida Linnaeus 1766 Synonym
Synanceia horrid Linnaeus 1766 Synonym
Synanceia trachynis Richardson 1842 Synonym
Synanceja horrida Linnaeus 1766 Synonym
Synanceja trachynis Richardson 1842 Synonym
Synaneceiea horrida Linnaeus 1766 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 14 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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