Morphological feature of Pelagia noctiluca (Forskål, 1775) (Cnidaria: Scyphozoa) in western Libyan coast, Tripoli
Abstract
The Jellyfish cnidarians are important consumers of zooplankton in the Mediterranean Sea previously known. The aim of this study is to classification this species of jellyfish and examination morphological structure. The samples were collected from the Tripoli coast of Libya in September 2018 by scoop net. The number of samples was 31 individuals, collected to study the morphological structure measurements and wet weight. The results of the morphological structure showed the diameter of medusa 2.3 - 13.4cm, while the total length was 4.5 - 17cm, and the length of four oral arms was 2.4 - 12.9cm, the length of eight tentacles was 1.8 - 15cm and wet weight was 2.0 -73g. Based on morphological features and classification, the species was identified as Pelagia noctiluca (Forskål, 1775), but the differences between individuals in medusa size and wet weight indicate refers to different ages. So, this species is considered the first appearance on the Libyan coast.
Full text article
References
W. De Haas, F. Knorr, R. C. Fisher, The Young Specialist Looks at Marine Life: Burke Books, 1979, pp.70 - 79.
Piraino, S., Aglieri, G., Martell, L., Mazzoldi, C., Melli, V., Milisenda, G., Scorrano, S., Boer, F., (2014), Pelagia benovici sp. nov. (Cnidaria, Scyphozoa): a new jellyfish in the Mediterranean Sea. Zootaxa, 3, 455–468. Doi.org/10.11646/zootaxa.3794.3.7
Sandrini, L. R. Avian, M., (1991), Reproduction of Pelagia noctiluca in the central and northern Adriatic Sea: Hydro. Biol., Springer, 197-202. DOI:org/10.1007/BF00026462
J. M. Gili, F. Pages, F. Vives, Distribution and ecology of a population of planktonic cnidarians in the western Mediterranean, 1987.
Molinero, J. C., Ibanez, F., Nival, P., Buecher, E., Souissi, S., (2005), North Atlantic climate and northwestern Mediterranean plankton variability. Limnol. Oceanogr., 50, 1213-1220. DOI:org/10.4319/lo.2005.50.4.1213
Gili, J., Pages, F., Sabates, A., Ros, J., (1988), Small-scale distribution of a cnidarian population in the western Mediterranean. J. Plankton Res., 10, 385-401. DOI:org/10.1093/plankt/10.3.385
J. M. Gili, F. Pages, Les proliferacions de meduses. In Jellyfish blooms. Bolletí de la Societat d'Història Natural de les Balears, 2005, pp. 9-22.
Mariottini, G. L., Giacco, E., Pane, L., (2008), The Mauve Stinger Pelagia noctiluca (Forsskål, 1775). Distribution, Ecology, Toxicity and Epidemiology of Stings. Mar. Drugs, 6, 496-513. DOI:org/10.3390/md6030496
A. Sabatés, F. Pages , D. Atienza, V. Fuentes, J. E. Purcell, J. M. Gili, Planktonic cnidarian distribution and feeding of Pelagia noctiluca in the NW Mediterranean Sea. In Jellyfish Blooms: New Problems and Solutions. Springer, Dordrecht, 2010, pp153-165.
Canepa, A., Fuentes, V., Sabatés, A., Piraino, S., Boero, F., & Gili, J. M., (2014), Pelagia noctiluca in the Mediterranean Sea. In Jellyfish blooms. Springer, Dordrecht, 237-266. DOI: 10.1007/978-94-007-7015-7_11
Malej, A., (1989), Behaviour and trophic ecology of the jellyfish Pelagia noctiluca (Forsskål, 1775). J. Exp. Mar. Biol. Ecol., 126, 259-270. DOI:org/10.1016/0022-0981(89)90191-3
Sandrini, L. R., Avian, M., (1989), Feeding mechanism of Pelagia noctiluca (Scyphozoa: Semaeostomeae); laboratory and open sea observations.Mar.Biol.,102,49-55. DOI:org/10.1007/BF00391322
Larson, R. J., (1987), A note on the feeding, growth, and reproduction of the epipelagic scyphomedusa Pelagia noctiluca (Forskål). Biol. Oceanogr., 4, 447-454. DOI: 10.1080/01965581.1987.10749501
Purcell, J. E., Malej, A., Benovic, A., (1999), Potential Links of Jellyfish to Eutrophication and fisheries . Coast. Estuar. studies, 55, 241-263 DOI:org/10.1029/CE055p0241
Zavodnik, D., (1987), Spatial aggregations of the swarming jellyfish Pelagia noctiluca (Scyphozoa). Mar. Biol., 94, 265-269. DOI:org/10.1007/BF00392939
Mariottini, G. L., Pane, L. (2010) Mediterranean jellyfish venoms: a review on scyphomedusae. Mar. Drugs, 8, 1122-1152. DOI:org/10.3390/md8041122
F. S. Russell, The Medusae of the British Isles volume II: pelagic scyphozoa, with a supplement to the first volume of Hydromedusae. Cambridge, Cambridge University Press, 1970, 283pp.
T. Legovic, A. Benovic, Transport of Pelagia noctiluca swarms in the South Adriatic. Proceedings of the Workshop on jellyfish blooms in the Mediterranean, 1983:185-193.
Malej, A. , Invasion of the jellyfish Pelagia noctiluca in the northern Adriatic: a non-success story. Aquatic Invasions in the Black, Caspian, and Mediterranean Seas. Springer, Dordrecht, 2004, pp. 273-285. DOI:org/10.1007/1-4020-2152-6_16
Galil, B., Spanier, E., Ferguson, W., (1990), The Scyphomedusae of the Mediterranean coast of Israel, including two Lessepsian migrants new to the Mediterranean. Zool. Med. Leiden., 64, 95-105.
Durgham, H., Ikhtiyar, S., Ibraheem, R., (2016), First record of Pelagia noctiluca (Forssk ål, 1775) on the coast of Syria. Mar. Biodivers. Rec., 9, 1-3. https://doi.org/10.1186/s41200-016-0060-3
N. Dowidar, Medusae of the Egyptian Mediterranean waters. Workshop on jellyfish blooms in the Mediterranean, 1984, 9-16.
Yahia, M. D., Goy, J., Yahia-Kefi, O. D., (2003), Distribution et écologie des Méduses (Cnidaria) du golfe de Tunis (Méditerranée sud occidentale). Oceanol. Acta, 26, 645-655. DOI:org/10.1016/j.oceact.2003.05.002
Brotz, L., Pauly, D., (2012), Jellyfish populations in the Mediterranean Sea. Acta Adriat., 53, 213-232. DOI: hrcak.srce.hr/ 94422
UNEP, Jellyfish blooms in the Mediterranean. Proceedings of the II Workshop on Jellyfish in the Mediterranean Sea; United Nations Environment Programme, Trieste, 1991, 320.
A. Malej, A. Vukovic, Some data on the occurrence and biology of the Scyphomedusa Pelagia noctiluca in the Gulf of Trieste, and the impact of jellyfish swarming on human activities. Workshop on Jellyfish Blooms in the Mediterranean, 1984, 89-94.
Authors
Copyright (c) 2022 Journal of Pure & Applied Sciences
This work is licensed under a Creative Commons Attribution 4.0 International License.
In a brief statement, the rights relate to the publication and distribution of research published in the journal of the University of Sebha where authors who have published their articles in the journal of the university of Sebha should how they can use or distribute their articles. They reserve all their rights to the published works, such as (but not limited to) the following rights:
- Copyright and other property rights related to the article, such as patent rights.
- Research published in the journal of the University of Sebha and used in its future works, including lectures and books, the right to reproduce articles for their own purposes, and the right to self-archive their articles.
- The right to enter a separate article, or for a non-exclusive distribution of their article with an acknowledgment of its initial publication in the journal of Sebha University.
Privacy Statement The names and e-mail addresses entered on the Sabha University Journal site will be used for the aforementioned purposes only and for which they were used.