New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

🌊 Marine 🌡️ Subtropical

Bright glasseye

Heteropriacanthus fulgens Lowe, 1838
Max Length
21.4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.8
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
19.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Bright glasseye (Heteropriacanthus fulgens) is a ray-finned fish of the family Priacanthidae. It inhabits marine (saltwater) waters in reef-associated environments. This species can reach a maximum total length of 21.4 cm. With a trophic level of 3.8, it is a mid-level predator.

Scientific Name
Heteropriacanthus fulgens
Authority
Lowe, 1838
Habitat
Marine
Climate
Subtropical
Max Length
21.4 cm
Trophic Level
3.8
Resilience
High
Vulnerability
19.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 10; Dorsal soft rays (total): 13; Anal spines: 3; Anal soft rays: 13 - 14. This species is distinguished by the following set of characters: body relatively deep and oval, its body depth at pectoral fin base 2.3-2.4 in SL, at mid-trunk 2.1-2.3 in SL; dorsal-fin origin is above or slightly anterior to the pectoral fin base; preopercle with a short and pointed triangular spine not or nearly reaching the posterior margin of the interopercle; dorsal-fin base, 1.6-1.7 in SL; anal-fin base, 2.3-2.6 in SL, relatively long; eye small, its diameter 2.4-2.6 in HL; interorbital space is broad, its width 3.0-3.3% HL; head length 1.2-1.5 in body depth; caudal-peduncle length 3.0-3.8 in body depth; pored lateral-line scales 60-65; lateral scale rows along the body axis 85-89; transversal scales rows 12-15 + 47-51 = 59-66 .Cross section: compressed.

🌀 Behaviour

Behavioural data for Bright glasseye 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. Subtropical Central Atlantic: off of the Canary Islands and Madeira and Cape Verde Is.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.8±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.02239 × L2.93 (TL)
Max TL
21.4cm
Dorsal Spines
10
Dorsal Rays
13
Anal Spines
3
Anal Rays
14

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
19.00/100
Low vulnerability
Trophic Level
3.8
Predator
Climate Zone
Subtropical
Described By
Lowe, 1838

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Bright glasseye ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.