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🌊 Marine Least Concern 🌡️ Tropical

Redeye mullet

Mugil rubrioculus Harrison, Nirchio, Oliveira, Ron & Gaviria, 2007
Max Length
44.6 cm
Max Weight
-
Lifespan
-
Trophic Level
-
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
36.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Little is known about the ecology of this species, but the specimens form Venezuela were collected over sandy and muddy substrates .

Scientific Name
Mugil rubrioculus
Authority
Harrison, Nirchio, Oliveira, Ron & Gaviria, 2007
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Max Length
44.6 cm
Resilience
Medium
Vulnerability
36.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 5; Dorsal soft rays (total): 7 - 9; Anal spines: 3; Anal soft rays: 9. This species is distinguished from its congeners in the Western Central Atlantic by the following characters: A III,9 in adults (II,10 in juveniles); differs from incilis by having fewer than 43 scales in the longitudinal serie; differs from hospes by having a deeper body, Ad 23.8-25.5% SL (vs. 21-23%), pectoral-fin rays 15-16 (vs. 13-14) and pectoral fin usually slightly shorter Pl = 17.3-18.9% SL, 72.3-82.9% Hl and Ps = 9-11 (vs. Pl = 21-24% SL, 80-96% Hl and Ps = 11-13). When alive M. rubrioculus can be easily distinguished from M. curema with its distinct reddish-orange iris (vs. none or indistinct in curema), the small goldish spot on the opercle (vs. a larger opercular spot) and has paler pigmentation on the flanks, without longitudinal bands (vs. flanks darker with ca. six bands). Further differs from curema by having a small spot at the dorsal part of the pectoral-fin base (spot deeper in curema, extending vertically down most of the base of the fin, and the fin tends to be pigmented darker on the fin rays and fin membrane) and these pectoral differences may also be seen in preserved specimens; anal fin is pale (vs. dark) and this difference is also evident when preserved; anterodorsal tip of second dorsal fin slightly darker than the other parts of the fin (vs. second dorsal fin is usually more uniformly dark); slightly darker anterodistal tip to the fin usually more distinct (vs. less distinct and may only be seen in some); caudal fin usually less heavily pigmented; scales on the flanks usually lack any minute, overlying, secondary scales, giving a smoother texture to the flanks (vs. usually with secondary scales .Cross section: compressed.

🌀 Behaviour

Behavioural data for Redeye mullet 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. Tropical; 27°N - 10°N

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic

📐 Morphometrics

Length–Weight Relationship: W = 0.00977 × L2.98 (TL)
Max TL
44.6cm
Dorsal Spines
5
Dorsal Rays
8
Anal Spines
3
Anal Rays
9

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2011

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
36.00/100
Moderate vulnerability
Climate Zone
Tropical
Described By
Harrison, Nirchio, Oliveira, Ron & Gaviria, 2007

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