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🌊 Marine Data Deficient 🌡️ Tropical

Flagfin

Pelontrus morgansi Smith, 1961
Max Length
5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
80–267 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Flagfin (Pelontrus morgansi), first described by Smith, 1961 is a small fish. Adults typically reach 5.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 80 to 267 metres. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. The species largely solitary in behaviour. On the IUCN Red List, it is classified as Data Deficient.

Scientific Name
Pelontrus morgansi
Authority
Smith, 1961
Habitat
Marine
Climate
Tropical
IUCN Status
DD
Max Length
5 cm
Depth Range
80–267 m
Trophic Level
3.2
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Pelontrus
Pelontrus
Species
Flagfin
Pelontrus morgansi

🐟 Physical Description

Dorsal spines (total): 10; Dorsal soft rays (total): 13 - 15; Anal spines: 3; Anal soft rays: 7. Gillraker with additional 4-5 rudiments on each limb.

🌀 Behaviour

Behavioural data for Flagfin 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; demersal; depth range 80 - 267 m . Tropical South Africa.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.2±0.4
🧍 Solitary

📐 Morphometrics

Length–Weight Relationship: W = 0.02512 × L2.97 (TL)
Max TL
5cm
Dorsal Spines
10
Dorsal Rays
14
Anal Spines
3
Anal Rays
7

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2017

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Tropical
Described By
Smith, 1961

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