
Japanese Fold Dragonet
Diplogrammus xenicus
- Usual depth2–19 m
- Water temperature22–29 °C
- Best monthsApril
- How commonRare
Photo credit: (c) 呂一起(Lyu yi-chi), some rights reserved (CC BY) · CC BY · iNaturalist
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 3 records
- February: 0 records
- March: 0 records
- April: 7 records
- May: 3 records
- June: 4 records
- July: 3 records
- August: 4 records
- September: 2 records
- October: 3 records
- November: 3 records
- December: 3 records
Depth and water temperature
Depth
Mostly recorded at 2–19 m · Deepest record: 31.5 m
Water temperature
Recorded in surface water of 22–29 °C
Photos

(c) 呂一起(Lyu yi-chi), some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Japanese Fold Dragonet, Northern Dragonet
Names in 2 more languages
- Japanese
- Kobunumeri, コブヌメリ
- Simplified Chinese
- 暗帶雙線䲗, 暗帶雙線, 狗圻, 老鼠, 雙線䲗(暗帶雙線䲗)
Other scientific names: Calymmichthys xenicus, Dactylopus xenicus
Similar species
Goram DragonetDiplogrammus goramensis
Sawspine dragonetDiplogrammus infulatus
Goodlad's DragonetCallionymus goodladi
Finger DragonetDactylopus dactylopus
Green mandarinSynchiropus splendidus
Sources and credits
Names and taxonomy: WoRMS (CC BY 4.0) and the GBIF Backbone (CC BY 4.0). Photos: iNaturalist observers, each under the licence shown (CC0, CC BY or CC BY-SA).
- Depth, temperature, months and maps: records from OBIS and GBIF under CC0 or CC BY.
- Conservation status as published by GBIF (IUCN Red List).
- 46 open-data records from 1974 to 2013.
- Species data updated November 2, 2026.
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