Back Phosichthys argenteus Catalan Phosichthys argenteus CEB Phosichthys argenteus Spanish Phosichthys argenteus Basque فروغماهی نقرهای Persian Phosichthys argenteus Dutch Silverlykta Swedish Phosichthys argenteus WAR 銀巨口光魚 Chinese
| Phosichthys argenteus | |
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| Drawing by Dr Tony Ayling | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Stomiiformes |
| Family: | Phosichthyidae |
| Genus: | Phosichthys F. W. Hutton, 1872 |
| Species: | P. argenteus
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| Binomial name | |
| Phosichthys argenteus F. W. Hutton, 1872
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Phosichthys argenteus, the silver lightfish, a species of lightfish and the only member of the genus Phosichthys, is found in deep subtropical waters of all oceans, from depths of 500 to 2,000 m. Its length is between 10 and 30 cm. They are bioluminescent fishes, possessing rows of photophores along their sides, with which they hunt planktonic invertebrates, especially krill.