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🌊 Marine Least Concern ⚠️ Venomous ⚡ Venomous 🌡️ Tropical

Yellowspotted puffer

Torquigener flavimaculosus Hardy & Randall, 1983
Max Length
16 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
3–57 m
Climate
Tropical
Resilience
High
Vulnerability
14.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Yellowspotted puffer (Torquigener flavimaculosus) is a ray-finned fish of the family Tetraodontidae. It inhabits marine (saltwater) waters in reef-associated environments. This species can reach a maximum total length of 16 cm. It occurs at depths between 3 and 57 metres. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List. Venomous.

Scientific Name
Torquigener flavimaculosus
Authority
Hardy & Randall, 1983
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Max Length
16 cm
Depth Range
3–57 m
Trophic Level
3.3
Resilience
High
Vulnerability
14.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal soft rays (total): 9; Anal soft rays: 7 - 8. This species is distinguished by the following characters: with spinules between nasal organs and dorsal-fin origin; dorsal surface of head and body with many small brownish dots, forming rosettes enclosing larger white spots; areas of small yellowish brown spots on the cheek may form broad vertical bands, separated by irregular narrow white bands; belly white; fins pale .Cross section: angular.

🌀 Behaviour

Behavioural data for Yellowspotted puffer 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 3 - 57 m . Tropical Indian Ocean: northern Red Sea and Kenya; a recent emigrant to the Mediterranean Sea via the Suez Canal.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.3±0.2

📐 Morphometrics

Length–Weight Relationship: W = 0.0302 × L2.89 (TL)
Max TL
16cm
Dorsal Rays
9
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2011

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
14.00/100
Low vulnerability
Trophic Level
3.3
Predator
Climate Zone
Tropical
Described By
Hardy & Randall, 1983

⚠️ 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

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