Japanese dragonet
📖 Overview
Japanese dragonet (Synchiropus ijimai), first described by Jordan & Thompson, 1914 is a small fish in the family Callionymidae (order Callionymiformes). Adults typically reach 10.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 10 to 20 metres. It occurs in Temperate waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Least Concern.The species is important as a food fish, kept in the aquarium hobby, and considered a sustainable seafood option under current management. As a member of the Callionymidae, it shares life-history and morphological traits with its relatives in the group.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 4; Dorsal soft rays (total): 8; Anal spines: 0; Anal soft rays: 7. A pair of supraorbital cirri present. The first dorsal fin of male high, broad and with many narrow white lines. Preopercular spine with an antrorse process at base which is absent in N. ocellatus and N. morrisoni. Attains 7 cm SL.: fusiform / normal; Cross section: circular.
🌀 Behaviour
Behavioural data for Japanese dragonet is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; reef-associated; depth range 10 - 20 m , usually 10 - 20 m . Temperate; 18°C - 22°C Northwest Pacific: Japan (Ref.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🍽️ Edibility & Flavour
⚡ Nutrition
Detailed nutritional data for Japanese dragonet is currently being compiled from USDA FoodData Central.
🔬 Mercury Safety
Mercury data for Japanese dragonet has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.
🌿 Sustainability
🔬 Full Nutritional Profile
Per 100g - Raw, per 100g - Source: USDA FoodData Central templates (generic fish average)
📊 Population Dynamics
| Year | Region | Index | Notes |
|---|---|---|---|
| - | - | - |
🦠 Common Diseases
The following diseases are known to affect Japanese dragonet.
🔍 Similar Species
👥 Community & Contribute
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