
Barred Prawn-goby
Cryptocentrus fasciatus
- Usual depth0–25 m
- Water temperature23–30 °C
- Best monthsApril, May, and November
- How commonRare
Photo credit: (c) Pauline Walsh Jacobson, some rights reserved (CC BY), uploaded by Pauline Walsh Jacobson · CC BY · iNaturalist
About this species
The Y-bar shrimpgoby is a species of goby widespread in the Indo-West-Pacific from East Africa to Melanesia and the Great Barrier Reef. This species can be found on reefs at depths of from 5 to 20 metres where they live in burrows in sandy substrates. They are symbiotic with alpheid shrimps. This species can reach a length of 14 centimetres (5.5 in) TL. It can also be found in the aquarium trade.
Text from the Wikipedia article “Y-bar shrimp goby”, 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: 55 records
- February: 44 records
- March: 42 records
- April: 62 records
- May: 59 records
- June: 38 records
- July: 29 records
- August: 41 records
- September: 31 records
- October: 51 records
- November: 96 records
- December: 31 records
Depth and water temperature
Depth
Mostly recorded at 0–25 m · Deepest record: 27.5 m
Water temperature
Recorded in surface water of 23–30 °C
Photos

(c) Ben Costamagna, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Georgina Jones, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
(c) Georgina Jones, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
(c) desertnaturalist, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) portioid, some rights reserved (CC BY) · CC BY · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist 
(c) Pauline Walsh Jacobson, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Barred Prawn-goby, Black Shrimp-goby, Y-bar Shrimp Goby
Names in 1 more languages
- Japanese
- Murasamehaze, ムラサメハゼ
Other scientific names: Gobiosoma fasciatum
Similar species
Blue-speckled Prawn-gobyCryptocentrus caeruleomaculatus
Blue-and-red-spotted gobyCryptocentrus caeruleopunctatus
Banded Prawn GobyCryptocentrus cinctus
Black-nape Shrimp-gobyCryptocentrus inexplicatus
Leptocephalus Prawn-gobyCryptocentrus leptocephalus
Saddled Prawn-gobyCryptocentrus leucostictus
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).
- 126 open-data records from 1974 to 2006.
- Species data updated November 1, 2026.
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