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🌊 Marine Least Concern 🌡️ Tropical

Yellowtail rriplefin

Enneanectes flavus Victor, 2019
Max Length
2.8 cm
Max Weight
-
Lifespan
-
Trophic Level
2.8
Depth
0–3 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Yellowtail rriplefin (Enneanectes flavus) 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 2.8 cm. It occurs at depths between 0 and 3 metres. With a trophic level of 2.8, it is an omnivore, consuming both plant and animal matter. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Enneanectes flavus
Authority
Victor, 2019
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
2.8 cm
Depth Range
0–3 m
Trophic Level
2.8
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 15; Dorsal soft rays (total): 7 - 8; Anal spines: 2; Anal soft rays: 16 - 17. The species is distinguished by having the following characters: unscaled-abdomen, 3 scale rows above posterior pored lateral line; a very short blunt snout, spiny preorbital flange; pored lateral-line scales mode of 14 or 15; broadly black-speckled second dorsal fin in adults, especially males (shared only with E. matador). Colour: mature adults with black spinous dorsal fins; yellowish rear body and tail, especially in mature males; melanophores extending from last body bar onto proximal third of caudal fin (unless obscured by bright yellow); interspace between third and fourth body bars half or less of interspace between fourth and fifth body bars, the last dark body bar usually extending onto the basal third of the caudal fin; three dark blotches along anal fin (except uniformly dusky in mature males); fresh and especially preserved specimens show two large black blotches on each side behind opercular flap, within a usually narrowly split first body bar . : elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Yellowtail rriplefin 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; reef-associated; depth range 0 - 3 m . Tropical

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
2.8±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00617 × L3.03 (TL)
Max TL
2.8cm
Dorsal Spines
15
Dorsal Rays
8
Anal Spines
2
Anal Rays
17

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
2.8
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Tropical
Described By
Victor, 2019

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