Abdopus tonganus

Abdopus tonganus
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Order: Octopoda
Family: Octopodidae
Genus: Abdopus
Species:
A. tonganus
Binomial name
Abdopus tonganus
Hoyle, 1885

Abdopus tonganus is a species of octopus found in Tonga. It was first described as Octopus tonganus in 1885 by William Evans Hoyle[2] based on three mutilated specimens from reefs in Tongatapu.[3]

Description

A. tonganus is small,[4]: 515  with a mantle length of up to 35 millimeters.[4] It has a broad mantle, narrow neck, small head, and long arms. The suckers of A. tonganus are large and set deeply into the arms. The skin is rugose. A. tonganus is purple-black dorsally and light yellow-tan ventrally with small, round papillae scattered across the skin.[5]: 515–516  Its eggs are up to 2.8 millimeters in length.[6]

Distribution

The distribution of A. tonganus is known only from its type locality.[5]: 516  Like most species in genus abdopus, it is intertidal,[4] typically found in intertidal reefs and shallow water[7] and active during the day.[8]

References

  1. ^ Allcock, L.; Taite, M.; Allen, G. (2018). "Abdopus tonganus". IUCN Red List of Threatened Species. 2018 e.T163317A998069. doi:10.2305/IUCN.UK.2018-2.RLTS.T163317A998069.en. Retrieved 10 September 2025.
  2. ^ "Abdopus tonganus (Hoyle, 1885)". World Register of Marine Species. Retrieved 2025-09-10.
  3. ^ Hoyle, William E.; Hoyle, William E. (1885). "Diagnoses of new species of Cephalopoda collected during the cruise of H.M.S. Challenger. Pt 1. The Octopoda". The Annals and Magazine of Natural History; Zoology, Botany, and Geology. 15: 225 – via Biodiversity Heritage Library.
  4. ^ a b c Norman, Mark D.; Finn, Julian K.; Hochberg, F.G. (2016). "Family Octopodidae". In Jereb, Patrizia; Roper, Clyde F.E.; Norman, Mark D.; Finn, Julian K. (eds.). Cephalopods of the World: An Annotated and Illustrated Catalogue of Cephalopod Species Known to Date. FAO Species Catalogue for Fishery Purposes No. 4, Vol. 3. Vol. 3. Octopods and Vampire Squids. Rome: Food and Agriculture Organization of the United Nations. p. 63. ISBN 978-92-5-107989-8.
  5. ^ a b Toll, Ronald B.; Voss, Gilbert L. (1998). "The Systematic and Nomenclatural Status of the Octopodinae Described from the West Pacific Region". In Voss, Nancy A.; Vecchione, Michael; Toll, Ronald B.; Sweeney, Michael J. (eds.). Systematics and Biogeography of Cephalopods (PDF). Smithsonian Contributions to Zoology Number 586. Vol. II. Washington, DC: Smithsonian Institution Press.
  6. ^ Villanueva, Roger; Norman, Mark D. (2008). "Biology of the Planktonic Stages of Benthic Octopuses". Oceanography and Marine Biology: An Annual Review. 46: 111–208. doi:10.1201/9781420065756-6. ISBN 978-0-429-13725-9.
  7. ^ Huffard, Christine L. (2007-10-31). "Four new species of shallow water pygmy octopus (Mollusca: Cephalopoda) from the Kingdom of Tonga". Molluscan Research. 27 (3): 147. doi:10.11646/mr.27.3.5. ISSN 1323-5818.
  8. ^ 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): 984. Bibcode:2023RFBF...33..977L. doi:10.1007/s11160-023-09772-9. ISSN 0960-3166.
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