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💧 Freshwater Data Deficient 🌡️ Tropical

Freshwater snapper

Lutjanus fuscescens Valenciennes, 1830
Max Length
40 cm
Max Weight
-
Lifespan
-
Trophic Level
3.9
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
34.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Adults inhabit freshwater streams and brackish, mangrove-lined estuaries. Juveniles upstream . Not reported from purely marine habitats.

Scientific Name
Lutjanus fuscescens
Authority
Valenciennes, 1830
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
DD
Max Length
40 cm
Latitude
13°S – 24°N
Trophic Level
3.9
Resilience
Medium
Vulnerability
34.00/100

🐟 Physical Description

Dorsal spines (total): 10; Dorsal soft rays (total): 13 - 15; Anal spines: 3; Anal soft rays: 8. Dorsal profile of head moderately sloped. Preorbital width about equal to, or slightly narrower than eye diameter. Preopercular notch and knob poorly developed. Scale rows on back rising parallel to lateral line. Back and sides grayish-brown or olive, becoming whitish on belly. A prominent black blotch on the lateral line below the anterior soft dorsal-fin rays. Juveniles with a series of diffuse blackish bars on sides.: fusiform / normal; Cross section: oval.

🌀 Behaviour

Behavioural data for Freshwater snapper is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; brackish; demersal; depth range ? - 15 m . Tropical; 24°N - 13°S, 106°E - 161°E known only from China, Philippines, Indonesia, New Guinea and the Solomon Islands.

🌿 Ecology

Zone Preferences
💧 Freshwater 🌿 Brackish ⬇️ Benthic
Trophic Level
3.9±0.7

📐 Morphometrics

Length–Weight Relationship: W = 0.01479 × L2.96 (TL)
Max TL
40cm
Dorsal Spines
10
Dorsal Rays
14
Anal Spines
3
Anal Rays
8

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
34.00/100
Low vulnerability
Trophic Level
3.9
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
24°N – 13°S
Described By
Valenciennes, 1830

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