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🌊 Marine Least Concern 🌡️ Tropical

Javanese monocle bream

Scolopsis japonica Bloch, 1793
Max Length
16.1 cm
Max Weight
-
Lifespan
-
Trophic Level
3.6
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
22.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Overview information for Javanese monocle bream is currently being compiled by our editorial team.

Scientific Name
Scolopsis japonica
Authority
Bloch, 1793
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
16.1 cm
Trophic Level
3.6
Resilience
High
Vulnerability
22.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 10; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 7; Vertebrae: 22. This species is distinguished by the following set of characters: head scaly except for subopercle (naked) with numerous small pores; scales on top of head reaching forward to between the anterior nostrils and snout tip; lower margin of eye tangent to a line from snout tip to upper pectoral-fin base; suborbital with a large retrorse spine (a small antrorse spine also sometimes present on third infraorbital, immediately above suborbital spine); posterior margin of preopercle serrate or denticulate, the lower edge smooth; second anal-fin spine is longer and more robust than first or third anal-fin spines; most body scales, except for breast and caudal peduncle, are with greenish yellow spot (spots darker in live fishes); caudal peduncle yellowish; a broad white bar from nape onto operculum; suborbital with obscure, rectangular, white patch; a white band beneath lateral line is never present; upper limb of opercular margin blackish, lower limb is reddish orange; upper base of pectoral fin has a small wedge-shaped dark spot; fins are yellow .: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Javanese monocle bream is currently being reviewed.

🦐 Diet

Diet information for Javanese monocle bream is currently being compiled.

🥚 Reproduction

Reproduction data for Javanese monocle bream is currently being compiled.

🌍 Habitat & Distribution

Marine; reef-associated. Tropical South China Sea, East Malaysia, w.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.6±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.01445 × L2.98 (TL)
Max TL
16.1cm
Dorsal Spines
10
Dorsal Rays
9
Anal Spines
3
Anal Rays
7
Vertebrae
22

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
22.00/100
Low vulnerability
Trophic Level
3.6
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Bloch, 1793

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