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🌊 Marine 🌡️ Tropical

River dragonet

Callionymus fluviatilis Day, 1876
Max Length
7 cm
Max Weight
-
Lifespan
-
Trophic Level
2.8
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
14.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Occurs on the bottom in the lower courses of rivers. Feeds on worms, zooplankton and phytoplankton. Occasionally marketed fresh .

Scientific Name
Callionymus fluviatilis
Authority
Day, 1876
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
Max Length
7 cm
Trophic Level
2.8
Resilience
High
Vulnerability
14.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 4; Dorsal soft rays (total): 10; Anal soft rays: 9. Sandy yellow, ventrally lighter. First dorsal fin with a black blotch basally on third membrane. Second dorsal fin, caudal fin, pectoral and pelvic fins spotted with brown. Anal fin white. First dorsal fin lower than second dorsal fin. First spine of first dorsal fin shorter than second spine. Anal fin pale. Second dorsal fin without white bands (Ref 42832).: elongated.

🌀 Behaviour

Behavioural data for River dragonet is currently being reviewed.

🦐 Diet

Diet information for River dragonet is currently being compiled.

🥚 Reproduction

Reproduction data for River dragonet is currently being compiled.

🌍 Habitat & Distribution

Marine; brackish; demersal. Tropical found in Cambodia.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish ⬇️ Benthic
Trophic Level
2.8±0.28
Food Items

worms, zooplankton and phytoplankton

📐 Morphometrics

Length–Weight Relationship: W = 0.00871 × L2.78 (TL)
Max TL
7cm
Dorsal Spines
4
Dorsal Rays
10
Anal Rays
9

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
14.00/100
Low vulnerability
Trophic Level
2.8
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Tropical
Described By
Day, 1876

👥 Community & Contribute

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