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🌊 Marine Least Concern ⚠️ Venomous ⚡ Venomous 🌡️ Subtropical

Atlantic thornyhead

Trachyscorpia cristulata Goode & Bean, 1896
Max Length
50 cm
Max Weight
-
Lifespan
-
Trophic Level
3.9
Depth
130–1389 m
Climate
Subtropical
Resilience
Very low
Vulnerability
69.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Atlantic thornyhead (Trachyscorpia cristulata), first described by Goode & Bean, 1896 is a large fish in the family Sebastidae (order Perciformes). Adults typically reach 50.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 130 to 1389 metres. It occurs in Subtropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.The species is venomous and potentially dangerous to handle.

Scientific Name
Trachyscorpia cristulata
Authority
Goode & Bean, 1896
Habitat
Marine
Climate
Subtropical
IUCN Status
LC
Max Length
50 cm
Depth Range
130–1389 m
Trophic Level
3.9
Resilience
Very low
Vulnerability
69.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Atlantic thornyhead is currently being compiled.

🌀 Behaviour

Behavioural data for Atlantic thornyhead 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; demersal; depth range 130 - 1389 m . Subtropical; 60°N - 23°N, 98°W - 1°W

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.9±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00912 × L3.09 (TL)
Max TL
50cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2015

📊 Population Risk & Fisheries

Population Resilience
Very low
Minimum doubling time
Fishing Vulnerability
69.00/100
High vulnerability
Trophic Level
3.9
Predator
Climate Zone
Subtropical
Described By
Goode & Bean, 1896

⚠️ 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
Scorpanena echinata Köhler 1896 Synonym
Trachyscorpea cristulata Goode & Bean 1896 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 17 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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