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Diadromous Least Concern ⚠️ Venomous ⚡ Poisonous to eat 🌡️ Tropical

Milkspotted puffer

Chelonodon patoca Hamilton, 1822
Max Length
38 cm
Max Weight
Lifespan
Trophic Level
3.1
Depth
4–60 m
Climate
Tropical
Resilience
Medium
Vulnerability
38.00/100
Typical Length
Depth Zone
reef

📖 Overview

Inhabits coastal waters and enters the lower reaches of rivers and lagoons . Occurs on sand and mudflats, usually in estuaries . Usually found around the mouths of rivers or in brackish mangrove estuaries and sometimes penetrates fresh water, but is never found more than a few km from the sea . Often in schools and sometimes swims up freshwater streams . Considered a delicacy in Japan .

Scientific Name
Chelonodon patoca
Authority
Hamilton, 1822
Habitat
Diadromous
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
38 cm
Depth Range
4–60 m
Latitude
35°S – 39°N
Trophic Level
3.1
Resilience
Medium
Vulnerability
38.00/100
Migration
Anadromous
Water Temp
23–28 °C
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 9 - 11; Anal spines: 0; Anal soft rays: 8 - 10. Body covered with prickles . : short and / or deep.

🌀 Behaviour

Behavioural data for Milkspotted puffer is currently being reviewed.

🦐 Diet

Diet information for Milkspotted puffer is currently being compiled.

🥚 Reproduction

🐣 Oviparous

Oviparous .

🌍 Habitat & Distribution

Marine; freshwater; brackish; reef-associated; anadromous ; depth range 4 - 60 m . Tropical; 23°C - 28°C ; 39°N - 35°S, 20°E - 150°E East Africa to the Admiralty Islands, New Britain and Trobiand Islands, north to China, south to northern Australia.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish 🪸 Reef Associated
Migration
Anadromous
Trophic Level
3.1±0.4
🐠 Schooling

📐 Morphometrics

Length–Weight Relationship: W = 0.0263 × L2.88 (TL)
Max TL
38cm
Dorsal Rays
10
Anal Rays
9

🌡️ Water Parameters & Tolerance

Temperature Range
23–28°C
Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
38.00/100
Moderate vulnerability
Trophic Level
3.1
Predator
Body Shape
Short and / or deep
Climate Zone
Tropical
Latitude Range
39°N – 35°S
Described By
Hamilton, 1822

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Bengal Reticulated Puffer · marbled toado · Milkspotted puffer
🇯🇵Japanese オキナワフグ
🇷🇺Russian молочнопятнистый иглобрюх · Хелонодон пестрый (попугайный)

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 50 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Milkspotted puffer ↗
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