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🌊 Marine Least Concern ⚠️ Venomous ⚡ Venomous 🌡️ Tropical

Plumed scorpionfish

Scorpaena grandicornis Cuvier, 1829
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Max Length
30 cm
Max Weight
-
Lifespan
-
Trophic Level
3.7
Depth
1–15 m
Climate
Tropical
Resilience
Medium
Vulnerability
37.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Inhabits seagrass beds, grassy bays and channels. Moves only when disturbed. Wounds inflicted are extremely painful, but not fatal.

Scientific Name
Scorpaena grandicornis
Authority
Cuvier, 1829
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
30 cm
Depth Range
1–15 m
Latitude
33°S – 32°N
Trophic Level
3.7
Resilience
Medium
Vulnerability
37.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Ray-finned fishes
Actinopterygii
Order
Perch-like fishes
Perciformes
Family
Scorpaenidae
Scorpaenidae
Genus
Scorpaena
Scorpaena
Species
Plumed scorpionfish
Scorpaena grandicornis

🐟 Physical Description

Dorsal spines (total): 12; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 5. : fusiform / normal.

🌀 Behaviour

Behavioural data for Plumed scorpionfish is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous

Oviparous .

🌍 Habitat & Distribution

Marine; reef-associated; depth range 1 - 15 m . Tropical; 32°N - 33°S

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.7±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.01349 × L3.01 (TL)
Max TL
30cm
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
2012

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
37.00/100
Moderate vulnerability
Trophic Level
3.7
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
32°N – 33°S
Described By
Cuvier, 1829

⚠️ 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

Scientific Synonyms

Scientific Name Author Year Status
Scorpaenopsis grandicornis Cuvier 1829 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 18 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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