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🌊 Marine Least Concern ⚠️ Venomous ⚡ Venomous 🌡️ Subtropical

Southern stargazer

Astroscopus ygraecum Cuvier, 1829
Max Length
44 cm
Max Weight
-
Lifespan
-
Trophic Level
4.2
Depth
2–100 m
Climate
Subtropical
Resilience
Medium
Vulnerability
42.00/100
Typical Length
35 cm
Depth Zone
reef

📖 Overview

Inhabits silty, sandy, or rubble bottoms . Feeds on fishes . Possesses electric organs located in a specialized pouch behind the eyes. Can discharge up to 50 volts .The electric organ discharge (EOD) rate depends on the temperature: about 500 Hz at 35°C and 50 Hz at 15°C (corresponding to the annual temperature range of the habitat of this species) . Cleithral spine with venom gland .

Scientific Name
Astroscopus ygraecum
Authority
Cuvier, 1829
Habitat
Marine
Climate
Subtropical
IUCN Status
LC
Max Length
44 cm
Depth Range
2–100 m
Trophic Level
4.2
Resilience
Medium
Vulnerability
42.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 8; Dorsal soft rays (total): 13 - 14; Anal spines: 0; Anal soft rays: 13.

🌀 Behaviour

Behavioural data for Southern stargazer is currently being reviewed.

🦐 Diet

Diet information for Southern stargazer is currently being compiled.

🥚 Reproduction

Reproduction data for Southern stargazer is currently being compiled.

🌍 Habitat & Distribution

Marine; reef-associated; depth range 2 - 100 m , usually ? - 70 m . Subtropical; 35°N - 8°N, 99°W - 60°W North Carolina, USA and northern Gulf of Mexico to Yucatan, Mexico; northern coast of South America (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
4.2
Food Items

fishes (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00617 × L3.11 (TL)
Max TL
44cm
Dorsal Spines
8
Dorsal Rays
14
Anal Rays
13

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2012

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
42.00/100
Moderate vulnerability
Trophic Level
4.2
Apex / Top predator
Climate Zone
Subtropical
Described By
Cuvier, 1829

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