Dorsal spines (total): 12; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 5. Dark spot often on spinous dorsal .: fusiform / normal.
🌀 Behaviour
Behavioural data for Red scorpionfish 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; demersal; non-migratory; depth range 20 - 500 m , usually ? - 150 m . Subtropical; 60°N - 35°S, 26°W - 36°E South African species thought to be the same as population in the northeast Atlantic (Ref.
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🌿 Ecology
Zone Preferences
🌊 Marine🌿 Brackish⬇️ Benthic
Migration
Non-migratory
Trophic Level
4.3±0.5
🧍 Solitary
Food Items
fishes, crustaceans and mollusks (Ref
📐 Morphometrics
Length–Weight Relationship:
W = 0.01349 × L3
(TL)
Max TL
50cm
Max Weight
3,000g
Dorsal Spines
12
Dorsal Rays
9
Anal Spines
3
Anal Rays
5
🌡️ Water Parameters & Tolerance
Salinity Range
30–40ppt
🛡️ Conservation Assessment
IUCN Category
Least Concern
Assessment Date
2014
📊 Population Risk & Fisheries
Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
68.00/100
High vulnerability
Trophic Level
4.3
Apex / Top predator
Body Shape
Fusiform / normal
Climate Zone
Subtropical
Latitude Range
60°N
–
35°S
Described By
Linnaeus, 1758
⚠️ 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 systemcardiovascular
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
🍽️ Edibility & Flavour
"Red scorpionfish 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
BakingGrillingPan-frying
⚡ Nutrition
Per 100g cooked - Source: USDA FoodData Central
Nutrient
Amount
Protein
18.9 g
Omega-3 (total)
655 mg
🔬 Mercury Safety
Mercury data for Red scorpionfish 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)