Information is taken from the game and may change or differ over time. Last updated .
Unlocked at Accreditation Tier 2
Statistics
The blackspotted pufferfish (or Arothron nigropunctatus), also known as the dog-faced pufferfish, is a tropical marine fish commonly found throughout the Indo-Pacific region from the Eastern coast of Africa to the islands of the central Pacific Ocean. It typically inhabits coral reefs, reef slopes, and lagoons at a depth of up to 25m.
Blackspotted puffers are characterised by their stout, rounded bodies and short, ‘puppy-like’ snouts. Their colouration varies from pale grey to yellow to blue, or a combination thereof, with scattered black spots and sometimes dark patches around the eyes or along the back.
Blackspotted puffers grow to an adult length of up to 33cm.
- The blackspotted puffer contains tetrodotoxin, a powerful neurotoxin that is lethal to predators and humans if ingested.
- Like many pufferfish, the blackspotted puffer can inflate its body by taking in water (or air) to deter predators, as it will look much larger and will be harder to eat.
- The blackspotted puffer has thick, leathery skin instead of scales which help it resist injury and parasites.
- The genus name Arothron comes from the Greek words 'a-', which expresses absence, and ‘rothron’, meaning nostril. These pufferfish have prominent nasal tentacles without openings.
- The blackspotted puffer has a strong, beak-like mouth made of fused teeth, perfect for crunching on hard prey like crustaceans, molluscs, and coral-dwelling invertebrates.
Habitat
Minimum habitat requirements
Planned population
Space
Barrier
Terrain
Environment
Preferred group ranges
Social
Blackspotted puffers are solitary and territorial, only interacting with conspecifics during the breeding season.
Forage Tray
Bubble Blower - Airstone
Submarine BuoyThriving relationships
4i
Release
Release requirements
Solitary Male
Can only be released via Conservation Projects or Quick Release.
Solitary Female
Can only be released via Conservation Projects or Quick Release.
Conservation
Blackspotted pufferfish are of Least Concern, though are facing some general conservation challenges, primarily linked to habitat degradation and the marine aquarium trade. Coral reef degradation caused by climate change, ocean acidification, coastal development, and destructive fishing practices pose a major threat to their natural habitat: blackspotted pufferfish rely on coral reefs for shelter and food availability. Localised overharvesting for aquarium collections and habitat decline could have long-term impacts on population stability if unmanaged.
Although direct conservation actions specific to this fish are limited, broader reef conservation efforts play a crucial role in supporting their long-term survival. Established marine protected areas in key parts of the Indo-Pacific have helped safeguard critical reef habitats from destruction. Campaigns for sustainable aquarium trade practices have also promoted captive breeding and responsible sourcing. Continuation of these measures, and monitoring of population trends, are essential to ensure the blackspotted puffers’ abundance in its natural range.
Research
| Level | Unlocks | Bonus | Research gate |
|---|---|---|---|
| 1 | Thriving Requirement 1: at least 15 objects or plants with the Rocks tag; Blackspotted Puffer Fact Sheet | ||
| 2 | Thriving Requirement 2: at least 5 objects or plants with the Ocean Bed tag; Fertility Level 1 | Fertility (+15%) | |
| 3 | Thriving Requirement 3: Food Grade 2; Release groups and release to the wild | ||
| 4 | Thriving Requirement 4: at least 50% native plants | ||
| 5 | Thriving Requirement 5: Deep Water Surface Area; Fertility Level 2 | Fertility (+30%) |
Conservation topics
Life
Reproduction
Lifecycle
Body
33 cm
33 cmBreeding
Scientific studies on the reproduction and life history of the blackspotted puffer are limited, though it is thought to follow the life cycle patterns typical of many other pufferfish.
Blackspotted pufferfish appear to mate year-round. Males and females engage in courtship displays like circling and body movements near the reef substrate. Females lay eggs in the open water or onto the substrate, fertilisation occurs externally as males spawn.
Unlike some other species of pufferfish, the blackspotted puffer does not provide parental care. The fertilised eggs hatch into planktonic larvae, which drift and grow in the ocean currents for several weeks before settling on the reef as juveniles.
The juveniles grow rapidly, feeding on small invertebrates and algae. A blackspotted puffer typically reaches sexual maturity between 2 and 3 years old, at a size of around 20cm to 25cm.