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🌊 Marine Least Concern ⚠️ Venomous ⚡ Poisonous to eat 🌡️ Subtropical

Checkered puffer

Sphoeroides testudineus Linnaeus, 1758
Max Length
38.8 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Subtropical
Resilience
Low
Vulnerability
22.00/100
Typical Length
20 cm
Depth Zone
reef

📖 Overview

Commonly found in bays, tidal creeks and protected coastal waters, especially on seagrass beds, and in brackish water. Also found in mangrove areas . Rare or absent on coral reefs. Does not form schools, but may form huge aggregates. Hides in the sand when frightened . Feeds mainly on bivalves, gastropods, foraminiferans and several other benthic invertebrates specially crustaceans, which it crushes with its powerful teeth . To ward off predators, it inflates itself like a balloon. Highly toxic; used to poison cats and dogs .

Scientific Name
Sphoeroides testudineus
Authority
Linnaeus, 1758
Habitat
Marine
Climate
Subtropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
38.8 cm
Latitude
35°S – 42°N
Trophic Level
3.4
Resilience
Low
Vulnerability
22.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 11 - 12; Anal spines: 0; Anal soft rays: 11. Greenish above, pale yellow to white below; back has series of pale lines and arcs suggesting concentric circles with intersecting lines. No other puffer has this color pattern .: fusiform / normal.

🌀 Behaviour

Behavioural data for Checkered puffer is currently being reviewed.

🦐 Diet

Diet information for Checkered puffer is currently being compiled.

🥚 Reproduction

Size at Maturity
10.8cm TL

Spawning season is from late spring to early fall at Biscayne Bay, Florida. Mean length at first maturity is over 13 cm TL.

🌍 Habitat & Distribution

Marine; brackish; reef-associated; depth range ? - 48 m . Subtropical; 42°N - 35°S, 98°W - 34°W Southwest Atlantic: Rhode Island, USA to southeastern Brazil.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish 🪸 Reef Associated
Trophic Level
3.4±0.41
🐠 Schooling
Food Items

bivalves, gastropods, foraminiferans and several other benthic invertebrates specially crustaceans,

📐 Morphometrics

Length–Weight Relationship: W = 0.02042 × L2.94 (TL)
Max TL
38.8cm
Dorsal Rays
12
Anal Rays
11

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2011

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
22.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Fusiform / normal
Climate Zone
Subtropical
Latitude Range
42°N – 35°S
Described By
Linnaeus, 1758

👥 Community & Contribute

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