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🌊 Marine Data Deficient 🌡️ Subtropical

Roundscale spearfish

Tetrapturus georgii Lowe, 1841
← All Species
Max Length
184 cm
Max Weight
21.5 kg
Lifespan
-
Trophic Level
4.3
Depth
0–200 m
Climate
Subtropical
Resilience
High
Vulnerability
44.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Further study is strongly needed to clarify the validity of this species. Probably oceanic. Length has been transferred from 'Body length' to FL (* 0.15).

Scientific Name
Tetrapturus georgii
Authority
Lowe, 1841
Habitat
Marine
Climate
Subtropical
IUCN Status
DD
Max Length
184 cm
Max Weight
21.5 kg
Depth Range
0–200 m
Latitude
29°S – 42°N
Trophic Level
4.3
Resilience
High
Vulnerability
44.00/100
Migration
Oceanodromous
Salinity
30–40 ppt

🐟 Physical Description

Physical description for Roundscale spearfish is currently being compiled.

🌀 Behaviour

Behavioural data for Roundscale spearfish is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; pelagic-oceanic; oceanodromous ; depth range 0 - 200 m . Subtropical; 42°N - 29°S, 98°W - 18°E central North Atlantic.

🌿 Ecology

Zone Preferences
🌊 Marine 🐟 Pelagic
Migration
Oceanodromous
Trophic Level
4.3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00447 × L3.14 (TL)
Max TL
184cm
Max Weight
21,500g

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2021

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
44.00/100
Moderate vulnerability
Trophic Level
4.3
Apex / Top predator
Climate Zone
Subtropical
Latitude Range
42°N – 29°S
Described By
Lowe, 1841

👥 Community & Contribute

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