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🌊 Marine Least Concern ⚠️ Venomous ⚡ Venomous 🌡️ Tropical

Yellowspotted scorpionfish

Sebastapistes cyanostigma Bleeker, 1856
Max Length
10 cm
Max Weight
-
Lifespan
-
Trophic Level
3.8
Depth
2–30 m
Climate
Tropical
Resilience
High
Vulnerability
24.00/100
Typical Length
6.4 cm
Depth Zone
reef

📖 Overview

Found in reef crests with rich coral growth . Typically found among the branches of Pocillopora corals in surge areas of seaward reefs . Also observed between the branches of the fire coral Millepora and Styllophora (Eran Brokovich, pers. comm. 03/02). Solitary or in small groups (Ref 90102).

Scientific Name
Sebastapistes cyanostigma
Authority
Bleeker, 1856
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
10 cm
Depth Range
2–30 m
Latitude
25°S – 30°N
Trophic Level
3.8
Resilience
High
Vulnerability
24.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 12; Dorsal soft rays (total): 9 - 10; Anal spines: 3; Anal soft rays: 5 - 6. Yellow and white spots on body; no dark bars on underside of head . : fusiform / normal.

🌀 Behaviour

Behavioural data for Yellowspotted 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 2 - 30 m , usually 2 - 15 m . Tropical; 30°N - 25°S south to Port Alfred, South Africa and east to the Line Islands, north to Ryukyu Islands, south to Samoa and Australia.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.8±0.7
🧍 Solitary

📐 Morphometrics

Length–Weight Relationship: W = 0.01514 × L2.99 (TL)
Max TL
10cm
Dorsal Spines
12
Dorsal Rays
10
Anal Spines
3
Anal Rays
6

🌡️ 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
24.00/100
Low vulnerability
Trophic Level
3.8
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
30°N – 25°S
Described By
Bleeker, 1856

⚠️ 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
Scorpaena albobrunnea Günther 1874 Synonym
Scorpaena cyanostigma Bleeker 1856 Synonym
Scorpaena kowiensis Smith 1935 Synonym
Sebastapistes albobrunnea Günther 1874 Synonym
Sebastapistes kowiensis Smith 1935 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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