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

🌊 Marine Least Concern 🌡️ Tropical

Graceful threadfin bream

Nemipterus gracilis Bleeker, 1873
Max Length
18 cm
Max Weight
-
Lifespan
-
Trophic Level
3.8
Depth
30–90 m
Climate
Tropical
Resilience
High
Vulnerability
24.00/100
Typical Length
15 cm
Depth Zone
demersal

📖 Overview

Graceful threadfin bream (Nemipterus gracilis), first described by Bleeker, 1873 is a medium-sized fish in the family Nemipteridae (order Perciformes). Adults typically reach 18.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 30 to 90 metres. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Nemipterus gracilis
Authority
Bleeker, 1873
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
18 cm
Depth Range
30–90 m
Latitude
11°S – 6°N
Trophic Level
3.8
Resilience
High
Vulnerability
24.00/100
Migration
Non-migratory
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 10; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 7. Suborbital spine absent. Preopercle with three transverse scale rows. Pectoral fins moderately long, reaching to about level of anus. Pelvic fins very long, reaching to between level of origin of anal fin and third anal spine. A line drawn up from posterior edge of suborbital reaching the dorsal profile at about 1 to 4 scale rows before origin of dorsal fin. Upper lobe of caudal fin slightly rounded, reddish tip. Color: Upper body pinkish, silvery below. Faint yellow stripe through nostril; golden yellow stripe from upper lip to below eye.: fusiform / normal; Cross section: oval.

🌀 Behaviour

Behavioural data for Graceful threadfin bream 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; non-migratory; depth range 30 - 90 m . Tropical; 6°N - 11°S, 94°E - 125°E West Pacific: Indonesia from Sumatra to Flores.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Migration
Non-migratory
Trophic Level
3.8±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.01349 × L2.96 (TL)
Max TL
18cm
Dorsal Spines
10
Dorsal Rays
9
Anal Spines
3
Anal Rays
7

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
24.00/100
Low vulnerability
Trophic Level
3.8
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
6°N – 11°S
Described By
Bleeker, 1873

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Graceful threadfin bream ↗
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.