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🌊 Marine 🌡️ Temperate

Japanese highfin deepwater dragonet

Callionymus sokonumeri Kamohara, 1936
Max Length
14 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Temperate
Resilience
High
Vulnerability
30.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Japanese highfin deepwater dragonet (Callionymus sokonumeri), first described by Kamohara, 1936 is a small fish in the family Callionymidae (order Callionymiformes). Adults typically reach 14.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Temperate waters. It feeds on a mix of small fish and invertebrates as a mid-level predator.

Scientific Name
Callionymus sokonumeri
Authority
Kamohara, 1936
Habitat
Marine
Climate
Temperate
Body Shape
Elongated
Max Length
14 cm
Trophic Level
3.3
Resilience
High
Vulnerability
30.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 4; Dorsal soft rays (total): 9; Anal spines: 0; Anal soft rays: 9. First dorsal fin not elongate, about as long as 2nd. First dorsal fin in female with round black mark. No black mark at anterodorsal corner on male's 2nd dorsal fin. attains 14 cm SL.: elongated; Cross section: circular.

🌀 Behaviour

Behavioural data for Japanese highfin deepwater 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 ? - 146 m . Temperate Northwest Pacific: southern Japan.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00871 × L2.78 (TL)
Max TL
14cm
Dorsal Spines
4
Dorsal Rays
9
Anal Rays
9

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
30.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Elongated
Climate Zone
Temperate
Described By
Kamohara, 1936

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