Platylepas ophiophila

Platylepas ophiophila
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Crustacea
Class:	Hexanauplia
Infraclass:	Cirripedia
Order:	Sessilia
Family:	Platylepadidae
Genus:	Platylepas
Species:	P. ophiophila
Binomial name
	Platylepas ophiophila; Lanchester, 1902[1]
Synonyms[1]
	Platylepas ophiophilus Lanchester, 1902

Platylepas ophiophila, commonly known as the sea snake barnacle, is a species of barnacle in the family Platylepadidae. It is native to the Indo-Pacific Ocean where it lives as a symbiont of a sea snake.

Ecology

Platylepas ophiophila is found living in association with several species of sea snake as an ectosymbiont. The barnacle adheres to the snake's skin and ribs penetrate the skin to make the attachment more secure. Nevertheless, the barnacle usually becomes detached when the snake sheds its skin. Barnacles breed by internal fertilisation, so individuals of this species have to be located adjacent to another individual in order to reproduce. Despite the fact that sea snakes are mobile, and generally solitary, about half the sea snakes support barnacles.[2] The barnacle may have adopted this lifestyle as a result of intense competition for space on coral reefs, rocks and other hard substrates; the advantages for the barnacle are freedom from predators, freedom from competitors, mobility, a feeding current, and possibly food fragments discarded by its host.[3]

This species of barnacle is short-lived because it dies when the sea snake sheds its skin;[2] as the skin is sloughed every four to six weeks, it is presumed that the barnacle completes its life cycle in this period.[4] When fixed to the spine-bellied sea snake (Lapemis hardwickii) the output of eggs is relatively small, and this may be an adaptation to the mode of life of its host. Another barnacle, Octolasmis warwickii adheres to the slipper lobster (Thenus orientalis); it also dies when its host sheds its skin, but it has a much larger output of eggs.[4]

gollark: There is one on the forums.

gollark: Basically, an egg which will reach hatching times if incubated.

gollark: =<5d

gollark: https://dragcave.net/view/Rats

gollark: Mysterious.

References

Chan, Benny K.K. (2015). "Platylepas ophiophila Lanchester, 1902". WoRMS. World Register of Marine Species. Retrieved 8 February 2017.
Vernberg, F. John (2014). Behavior and Ecology. Elsevier Science. p. 186. ISBN 978-0-323-16269-2.
Zann, Leon P. (1987). "A review of macrosymbiosis in the coral reef ecosystem". International Journal for Parasitology. 17 (2): 399–405. doi:10.1016/0020-7519(87)90115-9.
Zann, Leon P.; Harker, Bryony M. (1978). "Egg production of the barnacles Platylepas ophiophilus Lanchester, Platylepas hexastylos (O. Fabricius), Octolasmis wiarwickii Gray and Lepas anatifera Linnaeus". Crustaceana. 35 (2): 206–214. doi:10.1163/156854078X00114.

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[WoRMS-1] Chan, Benny K.K. (2015). "Platylepas ophiophila Lanchester, 1902". WoRMS. World Register of Marine Species. Retrieved 8 February 2017.

[Vernberg-2] Vernberg, F. John (2014). Behavior and Ecology. Elsevier Science. p. 186. ISBN 978-0-323-16269-2.

[3] Zann, Leon P. (1987). "A review of macrosymbiosis in the coral reef ecosystem". International Journal for Parasitology. 17 (2): 399–405. doi:10.1016/0020-7519(87)90115-9.

[Zann-4] Zann, Leon P.; Harker, Bryony M. (1978). "Egg production of the barnacles Platylepas ophiophilus Lanchester, Platylepas hexastylos (O. Fabricius), Octolasmis wiarwickii Gray and Lepas anatifera Linnaeus". Crustaceana. 35 (2): 206–214. doi:10.1163/156854078X00114.