Holtbyrnia Melanocephala (Holtbyrnia melanocephala), first described by Vaillant, 1888 is a fish in the family Platytroctidae (order Alepocephaliformes). It inhabits marine coastal and open-ocean environments. Recorded depth range: 1435 to 2500 metres. It occurs in Subtropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator.
Physical description for Holtbyrnia Melanocephala is currently being compiled.
Behavioural data for Holtbyrnia Melanocephala is currently being reviewed.
Marine; benthopelagic; depth range 1435 - 2500 m . Subtropical
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