Kuromutsu | Japanese black-blue fish

Average: 5 (1 vote)
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Name Kuromutsu
Other name Japanese blue fish, Black blue fish
Other similar fish name Blue fish
Latin name Scombrops gilberti
Japanese name 黒むつ Kuro-mutsu
Kingdom Animalia
Phylum Chordata
Class Actinopterygii
Order Perciformes
Family Scombropidae
Species S. Gilberti
Genus Scombrops

Flavor & Texture
Kuromutsu is un popular in United States because it is blue fish family. Kuromutsu has "easy" flavor, not too strong, not too fishy. The fish meat is a little oily. Therefore the texture is medium to soft. The texture is marbled and great looking white-pink color.

The weight is between 1.1 - 3.3lbs

Kuromutsu can be caught by net or single rod in year round. Young Kuromutsu live closer to shoreline and the older one live in deeper ocean between 650 - 2300 feet. Japanese blue fish kuromutsu live in around Chiba and Shizuoka area.

Sushi Preparation
Sushi chef needs to take out the skin totally and take out the bones which are easy processes. Marinated is not necessary because the fish has moderate flavor and smell. Overall, this fish is easy to prepare. However, the English name and visual shape of the fish are not appealing looking.

A little too oily. However, it has great Omega3 content


Nutrition Fact 100 grams +3.5 oz
Protein (g)  
Fat (g)  
Saturated fat (g)  
Sodium (mg)  
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Source of information:



Kuromutsu sushi, Ichimura NYC, Happy Noms

Kuromutsu Fish, True World Foods    

A tiny note:

The review about the taste above is a general review. There is no fish taste the same. The weather, size, quality, the source of the fish and how the sushi chef prepare them are important aspects to the taste and texture. We try to write as accurate as possible. Therefore, we are looking forward to the reader to participate in the discussion/comment to add/adjust/revise those review. Please mention when, where and specific detail how you review the fish.