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🌊 Marine Least Concern ⚠️ Venomous ⚡ Venomous 🌡️ Tropical

Stonefish

Synanceia verrucosa Bloch & Schneider, 1801
Max Length
40 cm
Max Weight
2.4 kg
Lifespan
-
Trophic Level
4.4
Depth
0–30 m
Climate
Tropical
Resilience
Low
Vulnerability
58.00/100
Typical Length
27 cm
Depth Zone
reef

📖 Overview

Most widespread stonefish . Found on sandy or rubble areas of reef flats and shallow lagoons and in small pools during low tide well camouflaged among the substrate and sometimes even covered with algae . Solitary species . Feeds on fishes and crustaceans. The dorsal fin has 2 grooves serving as seringes of venom; their stings are excruciatingly painful and can occasionally be fatal. A serum exists which is effective if applied immediately after the infliction. World's most venomous fish . Uncommon in markets. In Hong Kong live fish markets . Also Ref. 57406.

Scientific Name
Synanceia verrucosa
Authority
Bloch & Schneider, 1801
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
40 cm
Max Weight
2.4 kg
Depth Range
0–30 m
Latitude
30°S – 30°N
Trophic Level
4.4
Resilience
Low
Vulnerability
58.00/100
Migration
Non-migratory
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 12 - 14; Dorsal soft rays (total): 5 - 7; Anal spines: 3; Anal soft rays: 5 - 6. Colors matching surroundings and extremely well-camouflaged . Pelvic and anal fins spines are similarly developed. 12-14 stout grooved spines, each with a large venom sack at its base . : fusiform / normal; Cross section: oval.

🌀 Behaviour

Behavioural data for 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; reef-associated; non-migratory; depth range 0 - 30 m . Tropical; 30°N - 30°S, 30°E - 139°W East Africa to French Polynesia, north to the Ryukyu and Ogasawara islands, south to Queensland, Australia.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Migration
Non-migratory
Trophic Level
4.4±0.77
🧍 Solitary
Food Items

fishes and crustaceans

📐 Morphometrics

Length–Weight Relationship: W = 0.01622 × L3.05 (TL)
Max TL
40cm
Max Weight
2,400g
Dorsal Spines
13
Dorsal Rays
6
Anal Spines
3
Anal Rays
6

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2017

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
58.00/100
High vulnerability
Trophic Level
4.4
Apex / Top predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
30°N – 30°S
Described By
Bloch & Schneider, 1801

⚠️ 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

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Reef Stonefish · Stonefish
🇸🇦Arabic Abu al-Laban
🌍CES odranec pravý
🇩🇰Danish Stenfisk
🇩🇪German Echter Steinfisch · Steinfisch
🇫🇷French Crapaud · Poisson pierre commun, Poisson-pierre, Synancée · Poisson pierre, Synancée verruqueuse · Poisson-pierre · Poisson-pierre commun · Synancée
🌍HEB אבנון מגושם
🇮🇹Italian Pesce pietra · Pesce pietra del reef · Pesce pietra verrucoso
🇯🇵Japanese Onidarumaokoze · オニダルマオコゼ
🇳🇱Dutch Echte Steenvis
🇵🇱Polish Szkaradnica
🇵🇹Portuguese Peixe-pedra-dos-recifes
🇷🇺Russian Бородавчатка
🌍SLV veščec
🇪🇸Spanish Pez Piedra Común
🌍TAH nohu
🌍THA ปลาหิน
🇨🇳Chinese 合笑 · 拗豬頭 · 沙薑鱠仔 · 玫瑰毒鮋 · 玫瑰毒鲉 · 石頭魚 · 腫瘤毒鮋 · 虎魚

Scientific Synonyms

Scientific Name Author Year Status
Scorpaena brachion Lacepède 1801 Synonym
Synaceia verrucosa Bloch & Schneider 1801 Synonym
Synanceia brachio Cuvier 1829 Synonym
Synanceia thersites Seale 1901 Synonym
Synanceichthys verrucosa Bloch & Schneider 1801 Synonym
Synanceja verrucosa Bloch & Schneider 1801 Synonym
Synancejia verrucosa Bloch & Schneider 1801 Synonym
Synancia verrucosa Bloch & Schneider 1801 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 27 records indexed .

Occurrence density from GBIF View GBIF records ↗

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