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🌊 Marine Least Concern 🌡️ Deep-water

Thorny tinselfish

Grammicolepis brachiusculus Poey, 1873
Max Length
64 cm
Max Weight
-
Lifespan
-
Trophic Level
3.9
Depth
300–1026 m
Climate
Deep-water
Resilience
Low
Vulnerability
48.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

Found in deep midwater or near bottom ; benthopelagic . Caught by bottom trawl, bottom lines and drift gill net .

Scientific Name
Grammicolepis brachiusculus
Authority
Poey, 1873
Habitat
Marine
Climate
Deep-water
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
64 cm
Depth Range
300–1026 m
Latitude
37°S – 42°N
Trophic Level
3.9
Resilience
Low
Vulnerability
48.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 6 - 7; Dorsal soft rays (total): 32 - 34; Anal spines: 2; Anal soft rays: 33 - 35. Body silvery in color; young with irregular black blotches on body, black spots on caudal fin, and 5 black bars on anal fin . Gill rakers rudimentary.: short and / or deep.

🌀 Behaviour

Behavioural data for Thorny tinselfish 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; bathypelagic; depth range 300 - 1026 m , usually 500 - 700 m . Deep-water; 42°N - 37°S, 80°W - 154°W South Africa.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.9±0.9

📐 Morphometrics

Length–Weight Relationship: W = 0.01995 × L2.91 (TL)
Max TL
64cm
Dorsal Spines
7
Dorsal Rays
33
Anal Spines
2
Anal Rays
34

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2012

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
48.00/100
Moderate-High vulnerability
Trophic Level
3.9
Predator
Body Shape
Short and / or deep
Climate Zone
Deep-water
Latitude Range
42°N – 37°S
Described By
Poey, 1873

👥 Community & Contribute

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