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🌊 Marine Least Concern ⚠️ Venomous 🐠 Aquarium ⚡ Venomous 🌡️ Tropical

Lined fangblenny

Meiacanthus lineatus De Vis, 1884
Max Length
9.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
20.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Oviparous. Eggs are demersal and adhesive , and are attached to the substrate via a filamentous, adhesive pad or pedestal . Larvae are planktonic, often found in shallow, coastal waters . Mimicked by Petroscirtes fallax and by the young Scolopsis bilineatus. Poisonous canines provide considerable protection from predators.

Scientific Name
Meiacanthus lineatus
Authority
De Vis, 1884
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
9.5 cm
Trophic Level
3.4
Resilience
High
Vulnerability
20.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 4; Dorsal soft rays (total): 25 - 28; Anal spines: 2; Anal soft rays: 15 - 17. Caudal lobes in males elongate; upper 2/3 of head and body yellow with 3 black stripes of equal width to yellow interspaces; head and body below lowermost stripe white; yellow dorsal fin with submarginal black stripe edged in bluish white; yellow caudal fin .: elongated.

🌀 Behaviour

Behavioural data for Lined fangblenny is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous

Oviparous, distinct pairing .

🌍 Habitat & Distribution

Marine; reef-associated. Tropical; 9°S - 24°S known only from the Great Barrier Reef.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.4±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00575 × L3.06 (TL)
Max TL
9.5cm
Dorsal Spines
4
Dorsal Rays
27
Anal Spines
2
Anal Rays
16

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
20.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
De Vis, 1884

⚠️ 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 Lined Fangblenny · Yellow-lined Harp-tail · Yellow-lined Harptail Blenny
🌍CES slizoun páskovaný
🇵🇹Portuguese Blênio-cardinal-listrado
🇪🇸Spanish Blenio de Líneas amarillas

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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