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A new species of the commercially harvested jellyfish Crambionella (Scyphozoa) from central Java, Indonesia with remarks on the fisheries
Nishikawa, J.; Ohtsuka, S.; Mulyadi, M.; Mujiono, N.; Lindsay, D.J.; Miyamoto, H.; Nishida, S. (2015). A new species of the commercially harvested jellyfish Crambionella (Scyphozoa) from central Java, Indonesia with remarks on the fisheries. J. Mar. Biol. Ass. U.K. 95(3): 471-481. hdl.handle.net/10.1017/S002531541400157X
In: Journal of the Marine Biological Association of the United Kingdom. Cambridge University Press/Marine Biological Association of the United Kingdom: Cambridge. ISSN 0025-3154, more
Peer reviewed article  

Available in Authors 

Keywords
    Fisheries; New species; Taxonomy; Crambionella Stiasny, 1921 [WoRMS]; Rhizostomeae [WoRMS]; Scyphozoa [WoRMS]; Asia, Indonesia [Marine Regions]; Marine
Author keywords
    Jellyfish

Authors  Top 
  • Nishikawa, J.
  • Ohtsuka, S.
  • Mulyadi, M.
  • Mujiono, N.
  • Lindsay, D.J.
  • Miyamoto, H.
  • Nishida, S.

Abstract
    We describe a new species of Crambionella, C. helmbiru, from central Java, Indonesia. The combination of the mean number of lappets per octant (14), presence of foliaceous appendages amongst frills on oral-arms, absence of tubercles on the velar lappets, proportion of terminal club length to oral-arm length (0.28), and the body colour distinguish this species from three previously described congeners. In addition, the analysis of partial sequences of the cytochrome c oxidase subunit I gene indicate substantial genetic differences from both Crambionella orsini and Crambionella stuhlmanni, supporting the validity of this new species. A combination of morphological and genetic approaches determined that the remarkable differences in exumbrellar colours observed in specimens are simply intra-specific variation. Surprisingly, this species has been commercially harvested for more than 20 years and is well-known to the local people in the region, yet it had remained unknown to science until this point. The commercial fisheries targeting this formerly unknown species are also described in detail.

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