Smooth oreo

Smooth oreo

Taxobox
name = Smooth oreo


image_caption = Drawing by Dr Tony Ayling
regnum = Animalia
phylum = Chordata
classis = Actinopterygii
ordo = Zeiformes
familia = Oreosomatidae
genus = "Pseudocyttus"
species = "P. maculatus"
binomial = "Pseudocyttus maculatus"
binomial_authority = Gilchrist, 1906

The smooth oreo or smooth dory, "Pseudocyttus maculatus", is an oreo, the only species in the genus "Pseudocyttus". It is found in all southern oceans at depths of between 400 and 1,500 metres. Its length is up to 60 cm.

The smooth oreo has an elongate diamond-shaped body with small fins and short, weak spines and very small easily dislodged scales.

The colour is grey-green with large dark spots on the back and sides. Sometimes even rainbow color and pink spots

Adult smooth oreos are found near the bottom, and juveniles near the surface, usually in association with krill. They feed mainly on salps. Their eggs float near the sea surface and the larvae also inhabit surface waters. There is no vertical migration during the day or night.

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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