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🌊 Marine Least Concern ⚠️ Venomous ⚡ Poisonous to eat 🌡️ Tropical

Smooth blaasop

Lagocephalus inermis Temminck & Schlegel, 1850
Max Length
90 cm
Max Weight
-
Lifespan
-
Trophic Level
3.9
Depth
10–200 m
Climate
Tropical
Resilience
Low
Vulnerability
36.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Found in the shelf edge . Closely resembles the Atlantic species L. laevigatus Linnaeus which reaches southern Angola .

Scientific Name
Lagocephalus inermis
Authority
Temminck & Schlegel, 1850
Habitat
Marine
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
90 cm
Depth Range
10–200 m
Latitude
34°S – 36°N
Trophic Level
3.9
Resilience
Low
Vulnerability
36.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 12 - 14; Anal spines: 0; Anal soft rays: 10 - 12. Dorsal part of body without prickles, belly covered with prickles . Greenish or dark grey above, silvery white below . Distinguished from other Lagocephalus species by the black gill opening .: short and / or deep.

🌀 Behaviour

Behavioural data for Smooth blaasop is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Size at Maturity
30cm TL

Oviparous .

🌍 Habitat & Distribution

Marine; demersal; depth range 10 - 200 m . Tropical; 36°N - 34°S, 24°E - 154°E West Pacific: Algoa Bay, South Africa to southern Japan and Australia.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.9±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.02692 × L2.86 (TL)
Max TL
90cm
Dorsal Rays
13
Anal Rays
11

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2011

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
36.00/100
Moderate vulnerability
Trophic Level
3.9
Predator
Body Shape
Short and / or deep
Climate Zone
Tropical
Latitude Range
36°N – 34°S
Described By
Temminck & Schlegel, 1850

⚠️ 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
Tetraodon inermis Temminck & Schlegel 1850 Synonym
Tetrodon inermis Temminck & Schlegel 1850 Synonym
Tetrodon inermis taeniatus Borodin 1932 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 3 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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