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🌊 Marine Least Concern ⚠️ Venomous ⚡ Venomous 🌡️ Tropical

Minor scorpionfish

Scorpaenodes minor Smith, 1958
Max Length
5.2 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
1–52 m
Climate
Tropical
Resilience
High
Vulnerability
13.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

A rare species that inhabits reef flats, in areas of mixed sand and rubble . Venomous spines. Solitary and cryptic (Ref 90102).

Scientific Name
Scorpaenodes minor
Authority
Smith, 1958
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
5.2 cm
Depth Range
1–52 m
Latitude
26°S – 19°N
Trophic Level
3.3
Resilience
High
Vulnerability
13.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 12 - 14; Dorsal soft rays (total): 7 - 9; Anal spines: 3; Anal soft rays: 5. Nasal spine absent. Middle pectoral-fin rays extremely elongated. : fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Minor scorpionfish is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

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

🌍 Habitat & Distribution

Marine; reef-associated; depth range 1 - 52 m . Tropical; 19°N - 26°S East Africa to Samoa and the Austral Islands, north to the Ryukyu Islands (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.3±0.5
🧍 Solitary

📐 Morphometrics

Length–Weight Relationship: W = 0.01288 × L3.02 (TL)
Max TL
5.2cm
Dorsal Spines
13
Dorsal Rays
8
Anal Spines
3
Anal Rays
5

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2015

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
13.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
19°N – 26°S
Described By
Smith, 1958

⚠️ 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

Language Common Names
🇬🇧English Brock's Scorpionfish · minor scorpionfish
🌍CES paropušnice menší
🇯🇵Japanese Yubinagakasago · ユビナガカサゴ
🇨🇳Chinese 正小鮋 · 石狗公 · 石頭魚

Scientific Synonyms

Scientific Name Author Year Status
Hypomacrus brocki Schultz 1966 Synonym
Hypomacrus minor Smith 1958 Synonym
Scorpaenodes brocki Schultz 1966 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 6 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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