Giant hatchetfish

Giant hatchetfish

Taxobox
name = Giant hatchetfish


image_caption = Drawing by Dr Tony Ayling
regnum = Animalia
phylum = Chordata
classis = Actinopterygii
ordo = Stomiiformes
familia = Sternoptychidae
subfamilia = Sternoptychinae
genus = "Argyropelecus"
species = "A. gigas"
binomial = "Argyropelecus gigas"
binomial_authority = Norman, 1930The giant hatchetfish, "Argyropelecus gigas", a marine hatchetfish of the genus "Argyropelecus", is found in deep tropical and subtropical waters of all oceans, except the north Pacific. Its length is between 8 and 12 cm, and it is the largest fish in its family.

The giant hatchetfish is a deep-bodied species with large eyes that are directed upwards, enabling prey to be silhouetted against the faint light coming from the surface, and a large mouth also directed upwards. The whole belly is covered in downward directed photophores, which are thought to disguise the fish's dark shape from other upward-looking predators.

This silvery coloured plankton-eating fish lives at depths of bebetween 300 and 650 m.

References

*
*
* Tony Ayling & Geoffrey Cox, "Collins Guide to the Sea Fishes of New Zealand", (William Collins Publishers Ltd, Auckland, New Zealand 1982) ISBN 0-00-216987-8


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