description Histioteuthis hoylei Overview
Histioteuthis hoylei is a species of cock-eyed squid, a group of oceanic squids in the family Histioteuthidae whose two eyes differ markedly in size and orientation. It is associated with tropical and subtropical waters of the Indian and Pacific oceans and with the mesopelagic zone. The name is also treated in some modern sources under the genus Stigmatoteuthis, so Histioteuthis hoylei is a taxonomic name with synonymy.
help Histioteuthis hoylei FAQ
What is unusual about Histioteuthis hoylei's eyes?
Histioteuthis hoylei is a cock-eyed squid whose two eyes differ greatly in size and orientation. This asymmetry is a defining feature of the family Histioteuthidae.
Where does Histioteuthis hoylei live?
It is associated with tropical and subtropical waters of the Indian and Pacific oceans. The species lives in the mesopelagic zone, the dim midwater region below the sunlit surface.
What family does Histioteuthis hoylei belong to?
It belongs to the squid family Histioteuthidae. Members of this family are commonly called cock-eyed squids because of their mismatched eyes.
Why are the eyes of Histioteuthis hoylei different sizes?
The unequal eyes are linked to seeing different light conditions in the ocean's midwater environment. One eye is adapted for looking upward, while the other is associated with detecting dim light below, a pattern seen in cock-eyed squids.
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