Mirrorbelly
Encyclopedia
The 'mirrorbelly' or 'barreleye' (Opisthoproctus grimaldii) is a barreleye
Barreleye
Barreleyes, also known as spook fish , are small deep-sea osmeriform fish comprising the family Opisthoproctidae...

 of the genus Opisthoproctus, is found in most deep tropical and subtropical oceans and seas, from depths of 200 to 2,000 m. Its length is between 6 and 8 cm.
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