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

🌊 Marine Least Concern 🌡️ Tropical

Mascarene goatfish

Upeneus mascareinsis Fourmanoir & Guézé, 1967
Max Length
18 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
100–400 m
Climate
Tropical
Resilience
High
Vulnerability
27.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Mascarene goatfish (Upeneus mascareinsis) is a ray-finned fish of the family Mullidae. It inhabits marine (saltwater) waters in benthic environments. This species can reach a maximum total length of 18 cm. It occurs at depths between 100 and 400 metres. With a trophic level of 3.5, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Upeneus mascareinsis
Authority
Fourmanoir & Guézé, 1967
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
18 cm
Depth Range
100–400 m
Trophic Level
3.5
Resilience
High
Vulnerability
27.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 8; Dorsal soft rays (total): 9. This species is distinguished by the following characters: D VIII,9; pectoral fins 15-16; gill rakers 7-8 + 19-22 = 26-29; lateral line scales 35-38; body depth at first dorsal fin origin 22-26% SL and at anus 18-22% SL; caudal-peduncle depth 8.3-9.3% SL; maximum head depth 20-24% SL; head depth through eye 17-19% SL; head length 30-34%SL; orbit length 7.7-11% SL; upper jaw length 12-14% SL; barbel length 18-24% SL; caudal-fin length 27-31% SL; anal-fin height 13-16% SL; pelvic-fin length 20-24% SL; pectoral-fin length 21-24% SL; first dorsal-fin height 19-23% SL; second dorsal-fin height 15-16% SL; 7-10 total bars on caudal fin, 3-6 pale brown bars proximally to dark brown or black at distal margin on upper caudal-fin lobe, 3-4 brown bars on lower lobe, becoming darker distally, the last 2 completely dark brown or black with bars slightly increasing in width distally, small bar on tip; width of largest lower caudal-fin lobe bar and/or space between distal-most bars less than orbit; lateral body stripes absent; tip of first dorsal-fin dark; barbels white; body white ventrally and rose-red laterally, becoming dorsally darker with some gold iridescence along dorsal flanks and a darkened saddle behind second dorsal fin; body uniformly brown or little darker dorsally, bars and black first dorsal-fin tip retained in preserved fish .: fusiform / normal.

🌀 Behaviour

Behavioural data for Mascarene goatfish 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 100 - 400 m . Tropical Indian Ocean: Madagascar, Mozambique, Réunion, Western Indonesia.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.5±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00955 × L3.09 (TL)
Max TL
18cm
Dorsal Spines
8
Dorsal Rays
9

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
27.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Fourmanoir & Guézé, 1967

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Mascarene goatfish ↗
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.