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🌊 Marine 🌡️ Tropical

Simple-spined dragonet

Callionymus simplicicornis Valenciennes, 1837
Max Length
6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
2–40 m
Climate
Tropical
Resilience
High
Vulnerability
12.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Inhabits sand bottoms of subtidal reef flats to a depth of at least 40 m in deep lagoons and outer reef slopes . Feeds on small benthic invertebrates . Usually buries itself in the sand and only comes out to feed or during courtship .

Scientific Name
Callionymus simplicicornis
Authority
Valenciennes, 1837
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
Max Length
6 cm
Depth Range
2–40 m
Latitude
24°S – 16°N
Trophic Level
3.2
Resilience
High
Vulnerability
12.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 4; Dorsal soft rays (total): 8; Anal spines: 0; Anal soft rays: 7 - 8. Preopercular spine 1[4 - 13 (rarely 4 - 5)/0] 1.: elongated; Cross section: angular.

🌀 Behaviour

Behavioural data for Simple-spined dragonet is currently being reviewed.

🦐 Diet

Diet information for Simple-spined dragonet is currently being compiled.

🥚 Reproduction

Reproduction data for Simple-spined dragonet is currently being compiled.

🌍 Habitat & Distribution

Marine; reef-associated; depth range 2 - 40 m . Tropical; 16°N - 24°S Pacific Ocean: Philippines to the Marquesan and Tuamoto islands.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.2±0.4
Food Items

small benthic invertebrates (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00871 × L2.78 (TL)
Max TL
6cm
Dorsal Spines
4
Dorsal Rays
8
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
12.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Elongated
Climate Zone
Tropical
Latitude Range
16°N – 24°S
Described By
Valenciennes, 1837

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