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Half-Naked Hatchetfish
Half-Naked Hatchetfish
General Information
Universe Real Life
Aliases Short Silver Hatchetfish
Spurred Hatchetfish
Classification Argyropelecus hemigymnus
Species Type Deep-sea Silver Hatchetfish
Homeworld Earth
Environment Deep sea
Intelligence Non-Sapient
Biochemistry Carbon-based lifeform
Biological Information
Reproduction Sexual
Average Length 38 mm (1.5 in)
Locomotion Powered swimming
Feeding Behavior Carnivorous
Prey Copepods, ostracods
Lineage Information
Cultural Information
Alignment Neutral
Sociocultral characteristics
Scientific Taxonomy
Planet Earth
Domain Eukaryota
Kingdom Animalia
Subkingdom Eumetazoa
Infrakingdom Bilateria
Superphylum Deuterostomia
Phylum Chordata
Subphylum Vertebrata
Infraphylum Gnathostomata
Superclass Osteichthyes
Class Actinopterygii
Subclass Neopterygii
Infraclass Teleostei
Superorder Stenopterygii (disputed)
Order Stomiiformes
Family Sternoptychidae
Subfamily Sternoptychinae
Genus Argyropelecus
Species hemigymnus
Other Information
Status Least Concern

The Half-naked hatchetfish, also known as the short silver hatchetfish or the spurred hatchetfish (Argyropelecus hemigymnus), is a deep-sea hatchetfish found mesopelagically in all oceans. It is a small species rarely exceeding 38 millimetres (1.5 in) standard length. It feeds on zooplankton, particularly ostracods and copepods. Sexual maturation occurs at length of about 22 mm, and adult males have more developed olfactory organs than females, i.e. the species is sexually dimorphic.

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