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

🌊 Marine 🌡️ Subtropical

Lord Howe longtail dragonet

Callionymus scaber McCulloch, 1926
Max Length
7.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
18.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Lord Howe longtail dragonet (Callionymus scaber) is a ray-finned fish of the family Callionymidae. It inhabits marine (saltwater) waters in benthic environments. This species can reach a maximum total length of 7.3 cm. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms.

Scientific Name
Callionymus scaber
Authority
McCulloch, 1926
Habitat
Marine
Climate
Subtropical
Max Length
7.3 cm
Trophic Level
3.2
Resilience
High
Vulnerability
18.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Lord Howe longtail dragonet is currently being compiled.

🌀 Behaviour

Behavioural data for Lord Howe longtail dragonet 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. Subtropical Southwest Pacific: Lord Howe Island (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00871 × L2.78 (TL)
Max TL
7.3cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
18.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Subtropical
Described By
McCulloch, 1926

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Callionymus japonicus scaber McCulloch 1926 Synonym
Calliurichthys scaber McCulloch 1926 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Lord Howe longtail dragonet ↗
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Spotted incorrect or outdated data?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.