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🌊 Marine Data Deficient 🌡️ Tropical

Redbar triplefin

Enneapterygius niue Fricke & Erdmann, 2017
Max Length
2 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Redbar triplefin (Enneapterygius niue) is a ray-finned fish of the family Tripterygiidae. It inhabits marine (saltwater) waters in reef-associated environments. This species can reach a maximum total length of 2 cm. With a trophic level of 3.1, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Data Deficient on the IUCN Red List.

Scientific Name
Enneapterygius niue
Authority
Fricke & Erdmann, 2017
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
2 cm
Trophic Level
3.1
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 16 - 18; Anal spines: 1; Anal soft rays: 19 - 21. This medium-sized species of barred Enneapterygius is distinguished by the following characters: D2 XIII-XV; A 18-20; lateral-line scales 14-19 + 16-20; total lateral scale rows 33-36; proportional measurements in thousandths of SL - eye diameter 94-128, preorbital 50-75, body depth 176-206, preanal fin length 483-538; sides of body with two short and five complete bars; pectoral-fin base has a vertical dark bar; preorbital with an oblique dark band; dorsal fins are pale except for a dusky base; anal fin is dark grey in male and with four oblique brown bands in female; pelvic fins are white, caudal fin pale .: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Redbar triplefin is currently being reviewed.

🦐 Diet

Diet information for Redbar triplefin is currently being compiled.

🥚 Reproduction

Reproduction data for Redbar triplefin is currently being compiled.

🌍 Habitat & Distribution

Marine; reef-associated. Tropical Pacific Ocean: Niue and Samoa.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.1±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00617 × L3.03 (TL)
Max TL
2cm
Dorsal Spines
17
Anal Spines
1
Anal Rays
20

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2024

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Fricke & Erdmann, 2017

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