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Diadromous Least Concern 🌡️ Subtropical

Pinkeye mullet

Trachystoma petardi Castelnau, 1875
Max Length
81 cm
Max Weight
7.5 kg
Lifespan
14 yrs
Trophic Level
2.3
Depth
-
Climate
Subtropical
Resilience
Low
Vulnerability
55.00/100
Typical Length
35 cm
Depth Zone
pelagic

📖 Overview

Adults often occur in small groups in deep pools where stream flow is slow. Inhabit deep, gently flowing sections of rivers. Also occur in estuaries and coastal seas during spawning runs. Tolerant of temperatures between 9° and 27°C. Form small shoals . Mainly herbivorous. Feed on filamentous green algae, microscopic plants and animals as well as detritus. Also consume benthic invertebrates. Oviparous, eggs are pelagic and non-adhesive . Spawn in estuaries or at sea following a downstream migration in summer. Peak spawning activity is in February. Sexual maturity is reached after 4 years at a length of about 30 centimeters. Maximum life span is approximately 14 years .

Scientific Name
Trachystoma petardi
Authority
Castelnau, 1875
Habitat
Diadromous
Climate
Subtropical
IUCN Status
LC
Max Length
81 cm
Max Weight
7.5 kg
Lifespan
14 years
Trophic Level
2.3
Resilience
Low
Vulnerability
55.00/100
Migration
Catadromous
Water Temp
9–27 °C
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Trachystoma
Trachystoma
Species
Pinkeye mullet
Trachystoma petardi

🐟 Physical Description

Physical description for Pinkeye mullet is currently being compiled.

🌀 Behaviour

Behavioural data for Pinkeye mullet is currently being reviewed.

🦐 Diet

Diet information for Pinkeye mullet is currently being compiled.

🥚 Reproduction

Size at Maturity
38cm TL

🌍 Habitat & Distribution

Marine; freshwater; brackish; pelagic-neritic; catadromous . Subtropical; 9°C - 27°C ; 26°S - 33°S

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish 🐟 Pelagic
Migration
Catadromous
Trophic Level
2.3±0.2
Food Items

filamentous green algae, microscopic plants and animals as well as detritus

📐 Morphometrics

Length–Weight Relationship: W = 0.01175 × L2.95 (TL)
Max TL
81cm
Max Weight
7,500g

🌡️ Water Parameters & Tolerance

Temperature Range
9–27°C
Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
55.00/100
Moderate-High vulnerability
Trophic Level
2.3
Omnivore / Planktivore
Climate Zone
Subtropical
Described By
Castelnau, 1875

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