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🌊 Marine Data Deficient ⚠️ Venomous ⚡ Venomous 🌡️ Tropical

Labyrinth spinefoot

Siganus labyrinthodes Bleeker, 1853
Max Length
25 cm
Max Weight
-
Lifespan
-
Trophic Level
-
Depth
1–10 m
Climate
Tropical
Resilience
High
Vulnerability
18.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Coastal species which occurs around coral reefs. Probably forms schools. Has herbivorous dentition. Either rare or not being recorded separately from similar species . Found in pairs on shallow coastal reefs .

Scientific Name
Siganus labyrinthodes
Authority
Bleeker, 1853
Habitat
Marine
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
DD
Max Length
25 cm
Depth Range
1–10 m
Latitude
15°S – 10°N
Resilience
High
Vulnerability
18.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Teleostei
Order
Acanthuriformes
Acanthuriformes
Family
Siganidae
Siganidae
Genus
Siganus
Siganus
Species
Labyrinth spinefoot
Siganus labyrinthodes

🐟 Physical Description

Dorsal spines (total): 13; Dorsal soft rays (total): 10; Anal spines: 7; Anal soft rays: 9; Vertebrae: 13. Golden-red dorsally, paler below. Spine stout, pungent and venomous. Preopercular angle 105° (95°); strong, overlapping scales cover cheeks; midline of thorax scaled, not pelvic ridges. Anterior encircled by a flattened flange or rim, broader posteriorly.: short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Labyrinth spinefoot 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 1 - 10 m . Tropical; 10°N - 15°S Central Pacific: Indonesia (Java and Moluccas) but probably more widespread (e.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
🐠 Schooling

📐 Morphometrics

Length–Weight Relationship: W = 0.01096 × L3 (TL)
Max TL
25cm
Dorsal Spines
13
Dorsal Rays
10
Anal Spines
7
Anal Rays
9
Vertebrae
13

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2024

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
18.00/100
Low vulnerability
Body Shape
Short and / or deep
Climate Zone
Tropical
Latitude Range
10°N – 15°S
Described By
Bleeker, 1853

⚠️ 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 Labyrinth Rabbitfish
🏳️Catalan Gitano verdós
🇮🇹Italian Pesce coniglio labirinto
🇵🇹Portuguese Peixe-coelho-labirinto

🗺️ 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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