Biology:Abdopus abaculus

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Short description: Species of octopus

Abdopus abaculus
Scientific classification edit
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Order: Octopoda
Family: Octopodidae
Genus: Abdopus
Species:
A. abaculus
Binomial name
Abdopus abaculus
Norman & Sweeney, 1997

Abdopus abaculus, or the mosaic octopus,[2] is a species of pygmy octopus.[3][4] It was first described as Octopus abaculus by M. D. Norman and M. J. Sweeney in 1997 based on specimens caught in Zamboanga del Norte, Philippines.[5]

Description

A. abaculus have a mantle length of up to 33 millimetres (1.3 in) and a weight of up to 21 grams (0.74 oz).[6] Arms are 4.5 to 6 times the length of the mantle. A. abaculus is dark gray to dark purple with cream to light purple spots. It has up to 204 suckers on normal arms and up to 121 on hectocotylised arms.[7]

Distribution

A. abaculus is found in the Philippines,[8] and has also been reported in Tonga,[7] Fiji,[9] and Japan.[10] It is found at depths of zero to five metres (0 to 16 ft).[6]

Reproduction

A. abaculus lays eggs of up to 2.4 millimetres (0.09 in).[11]

References

  1. Allcock, L.; Taite, M.. "Abdopus abaculus". IUCN Red List of Threatened Species 2018. doi:10.2305/IUCN.UK.2018-2.RLTS.T163036A965631.en. https://www.iucnredlist.org/species/163036/965631. Retrieved 12 September 2025. 
  2. "Mosaic Octopus". https://reefguide.org/abdopusabaculus.html. 
  3. Huffard, Christine L.; Caldwell, Roy L.; Boneka, Farnis (2008-02-23). "Mating behavior of Abdopus aculeatus (d'Orbigny 1834) (Cephalopoda: Octopodidae) in the wild". Marine Biology 154 (2): 353–362. doi:10.1007/s00227-008-0930-2. ISSN 0025-3162. 
  4. Finn, Julian (2017-11-16). "WoRMS - World Register of Marine Species - Abdopus abaculus (Norman & Sweeney, 1997)". https://www.marinespecies.org/aphia.php?p=taxdetails&id=534100. 
  5. Norman, M. D.; Sweeney, M. J. (1997). "The Shallow-water Octopuses (Cephalopoda: Octopodidae) of the Philippines". Invertebrate Taxonomy 11: 89. doi:10.1071/it95026. ISSN 1445-5226. 
  6. 6.0 6.1 Norman, M. D.; Finn, J. K.; Hochberg, F. G. (2016). "Family Octopodidae". in Jereb, Patrizia. Cephalopods of the World: An Annotated and Illustrated Catalogue of Cephalopod Species Known to Date. FAO Species Catalogue for Fishery Purposes No. 4. 3: Octopodes and Vampire Squids. Rome, Italy: Food and Agriculture Organization of the United Nations. ISBN 978-92-5-107989-8. https://www.fao.org/3/i3489e/i3489e.pdf. 
  7. 7.0 7.1 Huffard, Christine L. (2007). "Four new species of shallow water pygmy octopus (Mollusca: Cephalopoda) from the Kingdom of Tonga". Molluscan Research 27 (3): 147–170. https://www.researchgate.net/profile/Christine-Huffard/publication/263083845_Four_new_species_of_shallow_water_pygmy_octopus_Mollusca_Cephalopoda_from_the_Kingdom_of_Tonga/links/56a7f7df08ae997e22bc2982/Four-new-species-of-shallow-water-pygmy-octopus-Mollusca-Cephalopoda-from-the-Kingdom-of-Tonga.pdf. 
  8. Norman, M. D.; Nabhitabhata, J.; Lu, C. C. (2016-06-29). "An updated checklist of the cephalopods of the South China Sea". Raffles Bulletin of Zoology Supplement 34: 566-592. https://lkcnhm.nus.edu.sg/wp-content/uploads/sites/10/app/uploads/2017/06/S34rbz566-592.pdf. 
  9. Loganimoce, Epeli M.; Brown, Kelly T.; Savou, Rusila; Kitolelei, Jokim V.; Tukana, Max; Southgate, Paul C.; Lal, Monal M. (2023-04-08). "Octopuses in the south-west Pacific region: a review of fisheries, ecology, cultural importance and management". Reviews in Fish Biology and Fisheries 33 (4): 977–1003. doi:10.1007/s11160-023-09772-9. ISSN 0960-3166. 
  10. Kaneko, Natsumi; Kubodera, Tsunemi (2007). "First Records of Two Abdopus Octopuses, A. abaculus (Norman and Sweeney, 1997) and A. aculeatus (d'Orbigny, 1834) from Japan". TAXA: Proceedings of the Japanese Society of Systematic Zoology 22: 38–43. https://www.jstage.jst.go.jp/article/taxa/22/0/22_KJ00004993048/_pdf/-char/en. 
  11. Villanueva, Roger; Norman, Mark D. (2008). "Biology of the Planktonic Stages of Benthic Octopuses". Oceanography and Marine Biology 46: 105-202. https://digital.csic.es/handle/10261/19583. 

Wikidata ☰ Q2586927 entry