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🌊 Marine Least Concern 🌡️ Subtropical

Theodore's threadfin bream

Nemipterus theodorei Ogilby, 1916
Max Length
24 cm
Max Weight
-
Lifespan
-
Trophic Level
3.9
Depth
19–410 m
Climate
Subtropical
Resilience
High
Vulnerability
30.00/100
Typical Length
18 cm
Depth Zone
demersal

📖 Overview

Theodore's threadfin bream (Nemipterus theodorei), first described by Ogilby, 1916 is a medium-sized fish in the family Nemipteridae (order Perciformes). Adults typically reach 24.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 19 to 410 metres. It occurs in Subtropical 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 theodorei
Authority
Ogilby, 1916
Habitat
Marine
Climate
Subtropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
24 cm
Depth Range
19–410 m
Trophic Level
3.9
Resilience
High
Vulnerability
30.00/100
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 3 transverse scale rows. Pectoral fins long, reaching to or almost to level of origin of anal fin. Pelvic fins very long, reaching to or beyond level of origin of anal fin. A line drawn up from posterior edge of suborbital reaching the dorsal profile at about or behind origin of dorsal fin. Upper lobe of caudal fin with dusky tip. Axillary scale present. Color: Upper body pinkish-mauve, pearly-white below. A purple stripe curving from lower edge of eye to upper lip. An indistinct bluish-grey spot on upper part of opercle.: fusiform / normal; Cross section: oval.

🌀 Behaviour

Behavioural data for Theodore's 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 19 - 410 m . Subtropical; 13°S - 36°S, 145°E - 158°E north Queensland to New South Wales.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Migration
Non-migratory
Trophic Level
3.9±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.01514 × L2.96 (TL)
Max TL
24cm
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
30.00/100
Low vulnerability
Trophic Level
3.9
Predator
Body Shape
Fusiform / normal
Climate Zone
Subtropical
Described By
Ogilby, 1916

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