Ward's sleeper
Valenciennea wardii
- Usual depth50–82 m
- Water temperature24–29 °C
- Best monthsFebruary, March, and December
- How commonRare
About this species
Valenciennea wardii, Ward's sleeper, Ward's sleeper goby, is a species of goby native to the Indian Ocean and the western Pacific Ocean in bays, reefs and lagoons at depths of from 12 to 35 metres. It can be found on sandy or silty substrates. This species can reach a length of 15 centimetres (5.9 in) SL. It can also be found in the aquarium trade. The specific name honours the United Kingdom diplomat Swinburne Ward (1830-1897) who was Her Majesty's Civil Commissioner for the Seychelles, although this species was described from specimens collected off Zanzibar.
Text from the Wikipedia article “Valenciennea wardii”, licensed CC BY-SA 4.0. Read the article
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 0 records
- February: 3 records
- March: 3 records
- April: 0 records
- May: 0 records
- June: 1 records
- July: 0 records
- August: 0 records
- September: 3 records
- October: 0 records
- November: 1 records
- December: 4 records
Depth and water temperature
Depth
Mostly recorded at 50–82 m · Deepest record: 88 m
Water temperature
Recorded in surface water of 24–29 °C
Names and classification
- English
- Ward's sleeper, Broadbarred Glider Goby, Broad-barred Sleeper-goby
Names in 1 more languages
- Japanese
- Sasahaze, ササハゼ
Other scientific names: Calleleotris wardi, Eleotris ellioti, Eleotris wardii, Eleotroides wardi, Valencienna wardii, Valenciennea nigromaculata, Valenciennea phaeochalina, Valenciennea wardi
Similar species
- Long-finned Goby
Valenciennea longipinnis
- Lined Gudgeon
Valenciennea muralis
- Maiden goby
Valenciennea puellaris
- Sixspot goby
Valenciennea sexguttata
- Blueband goby
Valenciennea strigata
- Twostripe goby
Valenciennea helsdingenii
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.
- Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
- Conservation status as published by GBIF (IUCN Red List).
- 63 open-data records from 1928 to 2006.
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