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🌊 Marine Least Concern ⚠️ Venomous ⚡ Venomous 🌡️ Tropical

Foxface

Siganus vulpinus Schlegel & Müller, 1845
Max Length
25 cm
Max Weight
-
Lifespan
-
Trophic Level
2.7
Depth
0–30 m
Climate
Tropical
Resilience
High
Vulnerability
23.00/100
Typical Length
20 cm
Depth Zone
reef

📖 Overview

Sometimes territorial, occurs in coral-rich areas of lagoon and seaward reefs. Often among staghorn corals . Usually occurs singly or in pairs, but juveniles and subadults occasionally occur in large schools among Acropora where they feed on algae growing on the dead bases of the coral branches. Capable of inflicting painful stings .

Scientific Name
Siganus vulpinus
Authority
Schlegel & Müller, 1845
Habitat
Marine
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
25 cm
Depth Range
0–30 m
Latitude
25°S – 26°N
Trophic Level
2.7
Resilience
High
Vulnerability
23.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 13; Dorsal soft rays (total): 10; Anal spines: 7; Anal soft rays: 9; Vertebrae: 13. A dark chocolate ocular band running in an arc from base of 1st dorsal spine to chin; a narrow white blaze on midline of head profile; thorax dark chocolate; a broad white zone behind ocular bar on trunk; remainder of body yellow-orange. Stout, pungent, venomous spines. Caudal fin only slightly incised. Fully scaled midline of thorax. Preopercular angle 119° (111°-120°). Variable cheek scaling; usually overlapping scales, 8-10 rows deep below center of orbit; occasionally, few scattered scales; area fully scaled from lower edge of orbit 2 angle of mouth. S. vulpinus is very closely related to and possibly the same as S. unimaculatus, which has a large black blotch on the sides beneath the soft dorsal rays .: short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Foxface 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 0 - 30 m , usually 1 - 30 m . Tropical; 26°N - 25°S, 95°E - 173°W recorded from Tonga (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
2.7±0.3
🐠 Schooling
Food Items

algae growing on the dead bases of the coral branches

📐 Morphometrics

Length–Weight Relationship: W = 0.01318 × L3.06 (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
Least Concern
Assessment Date
2015

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
23.00/100
Low vulnerability
Trophic Level
2.7
Omnivore / Planktivore
Body Shape
Short and / or deep
Climate Zone
Tropical
Latitude Range
26°N – 25°S
Described By
Schlegel & Müller, 1845

⚠️ 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 Black-face Rabbitfish · Black-face rabbitface · Common Foxface · Common foxface, Foxface · Fox-face · Foxface Lo · Foxface Rabbitfish · Foxface spinefoot · foxface
🏳️Catalan Gitano cara de guineu
🌍CES králíčkovec liščí
🇩🇰Danish Rævehoved
🇩🇪German Dachsgesicht · Fuchsgesicht
🌍EST Rebas-küülikkala · Rebaskala
🇫🇮Finnish Kettukala
🇫🇷French Picot renard · Tête de renard
🇭🇺Hungarian rókafejű nyúlhal
🇮🇹Italian Pesce coniglio faccia di volpe · Pesce coniglio muso di volpe · Pesce coniglio volpino
🌍MSA Belais · Belaris · Belibas · Bliais · Bonang-bonang · Dengkis · Dengkis kuning muncung · Gelibas · Kelang · Ketang · Ketang lada · Lambai · Leban · Lumban · Samadar cecet
🇳🇱Dutch Vossenkopvis
🇵🇹Portuguese Peixe-face-de-raposa-comum
🇷🇺Russian Пестряк-лис
🇸🇪Swedish Rävhuvudfisk
🌍TGL Alama · Balawis · Indongan · Samaral
🌍THA ปลาสลิดทะเลเหลืองปากยาว
🇨🇳Chinese 狐蓝子鱼 · 狐藍子魚

Scientific Synonyms

Scientific Name Author Year Status
Amphacanthus vulpinus Schlegel & Müller 1845 Synonym
Lo vulpinus Schlegel & Müller 1845 Synonym
Teuthis tubulosa Gronow 1854 Synonym
Teuthis vulpina Schlegel & Müller 1845 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 15 records indexed .

Occurrence density from GBIF View GBIF records ↗

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