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🌊 Marine 🌡️ Tropical

Big-head dragonet

Callionymus annulatus Weber, 1913
Max Length
6.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
0–56 m
Climate
Tropical
Resilience
High
Vulnerability
13.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Big-head dragonet (Callionymus annulatus), first described by Weber, 1913 is a small fish in the family Callionymidae (order Callionymiformes). Adults typically reach 6.50 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 0 to 56 metres. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus.

Scientific Name
Callionymus annulatus
Authority
Weber, 1913
Habitat
Marine
Climate
Tropical
Max Length
6.5 cm
Depth Range
0–56 m
Trophic Level
3.2
Resilience
High
Vulnerability
13.00/100
Salinity
30–40 ppt

🐟 Physical Description

Physical description for Big-head dragonet is currently being compiled.

🌀 Behaviour

Behavioural data for Big-head 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; depth range 0 - 56 m . Tropical Central Pacific: southern Indonesia to Torres Strait.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00871 × L2.78 (TL)
Max TL
6.5cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
13.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Tropical
Described By
Weber, 1913

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