Callistoctopus macropus

Scientific name Callistoctopus macropus
Descriptor Risso
Year of description 1826
IUCN category LC
Family Octopodidae
Genus Callistoctopus
Callistoctopus macropus Callistoctopus macropus

Introduction

Callistoctopus macropus is a salt water mollusc.

Who is it?

Morphology

  • Size
    14 - 16 cm
  • Colours
    changing
  • Mimicry
    multiple
  • Type of mouth
    beak
  • Chromatophores
    Yes
  • Motif
    ponctuations
  • Size
    14 - 16 cm
  • Colours
    changing
  • Mimicry
    multiple
  • Type of mouth
    beak
  • Chromatophores
    Yes
  • Motif
    ponctuations

How to recognize Callistoctopus macropus ?

Callistoctopus macropus measures between 14 and 16 cm. This mollusc is bicolore with a predominantly rouge and marron body. The also has ponctuations.

Behaviour & Life cycle

  • Sociability
    solitary
  • Way of living
    nocturnal
  • Venomous
    Yes
  • Diet
    predator

Chromatophores are pigment cells that reflect light in the integument of some animals. They are mostly responsible for the color of the skin and eyes of cold-blooded animals and are created by the neural crest during embryonic development.

Callistoctopus macropus is a mollusc solitary naturally found near the rocks. This species is carnivorous . This mollusc lives mainly at night. Usually, it leaves its hiding place and starts to be active once it gets dark.

This species is territorial and does not appreciate the presence of intruders nearby, especially animals with similar behavior. It can also be virulent toward conspecifics. However, Callistoctopus macropus has little concern for non-territorial animals.

Reproduction

  • Reproduction
    ovipare qui pond sur substrat caché

Callistoctopus macropus is a mollusc ovipare qui pond sur substrat caché.

Risks for humans

  • Venomous
    Yes
  • Bite
    Yes

This species can attack if it feels threatened. It is important to be particularly vigilant especially during dives or fishing sessions.

Where to find it?

What is its habitat?

Natural environment characteristics

  • Temperature
    18 - 25 °C
  • Depth
    0 - 100 m
  • Environment
    Free benthic

Biotope presentation

Callistoctopus macropus is most often found at a depth between 0m and 100m. However, it is not impossible to find this species at other depths.

Species of the same biotope

Fishkeeping

Not recommended

We do not recommend keeping this species in an aquarium. It has unpredictable needs which, if not met, generate significant stress, potentially leading to a shorter life expectancy, an interruption of its growth or the development of pathogens.

To go further

Species of the same family

To read on the web

Sources & Contributions

Participation & Validation

The Fishipedia team and specialist contributors are committed to providing high-quality content. However, although the information comes from scientific sources or testimonials from specialists, the cards may contain inaccuracies.

Translation

Translation done with the valuable contribution of our translators, who make this information available to a wider audience. We sincerely thank them for their commitment.

Bibliographic references

Cephalopods of the world - Volume 3 Octopods and Vampire Squids - FAO Fisheries Synopsis - 2014.

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Species of the same family

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