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Pteroctopus hoylei Pacific fourhorn octopus

Pteroctopus hoylei is commonly referred to as Pacific fourhorn octopus. Difficulty in the aquarium: Not suitable for aquarium keeping. Toxicity: Toxic hazard unknown.


Profilbild Urheber Hawaii Undersea Research Laboratory (HURL), Hawaii, USA

Foto: Hawaii

/ 303 Meter Tiefe
Courtesy of the author Hawaii Undersea Research Laboratory (HURL), Hawaii, USA . Please visit www.soest.hawaii.edu for more information.

Uploaded by AndiV.

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Profile

lexID:
14972 
AphiaID:
342051 
Scientific:
Pteroctopus hoylei 
German:
Pazifischer Vierhornkrake 
English:
Pacific Fourhorn Octopus 
Category:
Cephalopoda 
Family tree:
Animalia (Kingdom) > Mollusca (Phylum) > Cephalopoda (Class) > Octopoda (Order) > Octopodidae (Family) > Pteroctopus (Genus) > hoylei (Species) 
Initial determination:
(Berry, ), 1909 
Occurrence:
Arabian Sea, Hawaii, India, Indian Ocean, Japan, Johnston Atoll, Sri Lanka 
Marine Zone:
Mesopelagial
Mesopelagic zone
lies between 200 to 1000 meters depth, thus it is considered the "twilight zone of the sea" between the light and dark depth zones. 
Sea depth:
200 - 800 Meter 
Size:
up to 9.06" (23 cm) 
Temperature:
4,8 °F - 60.8 °F (4,8°C - 16°C) 
Food:
Invertebrates, Predatory, Zoobenthos 
Difficulty:
Not suitable for aquarium keeping 
Offspring:
Not available as offspring 
Toxicity:
Toxic hazard unknown 
CITES:
Not evaluated 
Red List:
Data deficient (DD) 
Related species at
Catalog of Life:
 
Author:
Publisher:
Meerwasser-Lexikon.de
Created:
Last edit:
2022-07-13 19:54:33 

Info

Female octopuses reach a mantle length of about 6cm, the mantle of males is smaller

With school children, the question often arises as to which hand the child should write with? Right or left?
This question seems to have been asked and clarified in nature as well. For example, there are right-handed hermit crabs, and it has also been observed in octopuses that they prefer one of their eight arms, although the function of all arms is identical.
more about the topic is the report "Octopuses have a favorite arm - Preference for forelimbs despite equal functionality".

About the biology of the octopus Pteroctopus hoylei is unfortunately almost nothing known, so far not even the prey of the small predator are known.
One reason for this might be the deep distribution of the octopus.

Synonyms:
Berrya hoylei (Berry, 1909)
Danoctopus hoylei (Berry, 1909)
Hapaloctopus albidus Taki, 1962
Octopus hoylei (Berry, 1909)
Octopus hoylei var. annae Robson, 1929
Polypus hoylei Berry, 1909
Pteroctopus albidus (Taki, 1962)

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