Fatal penetrating skin ulcers in laboratory-reared octopuses

Roger T. Hanlon, John W. Forsythe, Kay M. Cooper, Anthony R. Dinuzzo, Dean S. Folse, Michael T. Kelly

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

Young Octopus joubini and O. briareus (35 to 60 days old) that were being reared in high-density groups for biomedical studies developed skin ulcers, whereas octopuses reared in individual containers in the same culture system were disease-free. The ulcers first affected the epidermis of the mantle, and then penetrated downward through the dermis and underlying muscle tissue. Four stages of ulceration were observed. Untreated octopuses with ulcers always died, usually within 4 days. Five species of bacteria were isolated from ulcers: Vibrio alginolyticus, V. damsela, Pseudomonas stutzeri, and Aeromonas caviae from O. joubini; and V. parahaemolyticus, V. damsela, and P. stutzeri from O. briareus. Bacteria were found during all stages of the ulceration. Healthy O. joubini were infected experimentally with four species of bacteria, and V. alginolyticus produced skin ulcers within 2 days. The ulceration was treated with nifurpirinol, and complete healing of the skin occurred within 2 months. The ulcers were probably species-specific because O. maya and O. bimaculoides that were reared in the same culture systems were not affected. The cause of the ulceration was probably an increase in contact among crowded octopuses that produced skin abrasions which were invaded by opportunistic bacteria.

Original languageEnglish (US)
Pages (from-to)67-83
Number of pages17
JournalJournal of Invertebrate Pathology
Volume44
Issue number1
DOIs
StatePublished - 1984

Fingerprint

Octopodidae
skin (animal)
skin
Photobacterium damselae subsp. damselae
Pseudomonas stutzeri
Vibrio alginolyticus
bacterium
bacteria
Aeromonas punctata
Vibrio parahaemolyticus
dermis
epidermis (animal)
abrasion
muscle tissues
containers
muscle
mantle
laboratory

Keywords

  • Furanace
  • mariculture
  • nifurpirinol
  • Octopus briareus
  • octopus infection
  • Octopus joubini
  • skin ulcers
  • Vibrio alginolyticus

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Insect Science

Cite this

Hanlon, R. T., Forsythe, J. W., Cooper, K. M., Dinuzzo, A. R., Folse, D. S., & Kelly, M. T. (1984). Fatal penetrating skin ulcers in laboratory-reared octopuses. Journal of Invertebrate Pathology, 44(1), 67-83. https://doi.org/10.1016/0022-2011(84)90047-8

Fatal penetrating skin ulcers in laboratory-reared octopuses. / Hanlon, Roger T.; Forsythe, John W.; Cooper, Kay M.; Dinuzzo, Anthony R.; Folse, Dean S.; Kelly, Michael T.

In: Journal of Invertebrate Pathology, Vol. 44, No. 1, 1984, p. 67-83.

Research output: Contribution to journalArticle

Hanlon, RT, Forsythe, JW, Cooper, KM, Dinuzzo, AR, Folse, DS & Kelly, MT 1984, 'Fatal penetrating skin ulcers in laboratory-reared octopuses', Journal of Invertebrate Pathology, vol. 44, no. 1, pp. 67-83. https://doi.org/10.1016/0022-2011(84)90047-8
Hanlon, Roger T. ; Forsythe, John W. ; Cooper, Kay M. ; Dinuzzo, Anthony R. ; Folse, Dean S. ; Kelly, Michael T. / Fatal penetrating skin ulcers in laboratory-reared octopuses. In: Journal of Invertebrate Pathology. 1984 ; Vol. 44, No. 1. pp. 67-83.
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