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🌊 Marine Least Concern ⚠️ Venomous ⚡ Venomous 🌡️ Tropical

Guinean weever

Trachinus armatus Bleeker, 1861
Max Length
35 cm
Max Weight
-
Lifespan
-
Trophic Level
3.7
Depth
15–150 m
Climate
Tropical
Resilience
Medium
Vulnerability
37.00/100
Typical Length
25 cm
Depth Zone
demersal

📖 Overview

Occurs in shallow waters over sandy bottoms, often in less than 50 m deep . Lies hidden in the sediment while waiting for its prey. Feeds on fish, crustaceans and annelids. Its venom is not deadly but can cause painful wounds .

Scientific Name
Trachinus armatus
Authority
Bleeker, 1861
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Max Length
35 cm
Depth Range
15–150 m
Trophic Level
3.7
Resilience
Medium
Vulnerability
37.00/100
Salinity
30–40 ppt

🐟 Physical Description

Physical description for Guinean weever is currently being compiled.

🌀 Behaviour

Behavioural data for Guinean weever 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 15 - 150 m . Tropical

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.7±0.54
Food Items

fish, crustaceans and annelids

📐 Morphometrics

Length–Weight Relationship: W = 0.00513 × L3.07 (TL)
Max TL
35cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2014

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
37.00/100
Moderate vulnerability
Trophic Level
3.7
Predator
Climate Zone
Tropical
Described By
Bleeker, 1861

⚠️ 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
Delivery
dorsal and opercular spines
Potency
Moderate
Mortality Risk
Low
Symptom Onset
2min
Duration
24.0hrs
Antivenom
✗ Not Available
Named Toxins
histamine 5-HT mucoprotein enzymes
Symptoms
  • severe immediate pain
  • oedema
  • occasional systemic effects
Affected Body Systems
peripheral nervous system
First Aid
Hot water immersion (45 C) for 30-60 minutes.
Medical Treatment

Analgesia and wound care.

References: Compiled from Bhide (2018), Halstead et al. (1988) and family-specific envenomation literature

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Guinean weever
🇵🇹Portuguese Aranhuço · Areeiro-de-Bleeker

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 671 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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