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acta ethologica

, 12:105 | Cite as

Why be cryptic? Choice of host urchin is not based on camouflage in the caridean shrimp Gnathophylloides mineri

  • Silvia Maciá
  • Michael P. Robinson
Original Paper

Abstract

The caridean shrimp Gnathophylloides mineri lives among the spines of various species of sea urchins. The shrimp has cryptic coloration that closely matches the coloration of the Caribbean urchin Tripneustes ventricosus. Despite this camouflage, in Jamaica, G. mineri is three times more abundant on the urchin Lytechinus variegatus than on T. ventricosus. L. variegatus exhibits more pronounced covering behavior than T. ventricosus. In laboratory choice experiments, the shrimp exhibited no preference between live, uncovered T. ventricosus or L. variegatus. Similarly, there was no preference between models (the tests, with spines attached, of hollowed out urchins) of T. ventricosus or L. variegatus without cover, or between models of T. ventricosus or L. variegatus with switched cover (i.e., each model was covered with the debris that had belonged to its partner when collected). There was, however, a significant preference for L. variegatus models with their natural covering over T. ventricosus with their natural covering. The shrimp may prefer L. variegatus with its extensive covering over T. ventricosus with extensive covering because the spines of the former are typically erect, as opposed to the spines of T. ventricosus, which usually lay flat across the test and would not give the shrimp much room to maneuver under the debris layer. Our study indicates that despite effective morphological and behavioral traits that render an organism highly cryptic, other, more effective, means of concealment may undermine the usefulness of this crypsis.

Keywords

Crypsis Symbiosis Habitat choice Sea urchin 

Notes

Acknowledgments

Thanks to Julien Million for field help, Lori Lambert and Meisha Green for help with the preference experiments, M. Thiel and an anonymous reviewer for helpful comments on the manuscript, and J. F. Morrissey and HUML for logistical support. This is contribution # 13 of the Hofstra University Marine Lab. The research described herein complied with the current laws of Jamaica.

References

  1. Abele LG (1975) The macruran decapod Crustacea of Malpelo Island. Smithson Contrib Zool 176:69–85Google Scholar
  2. Baeza JA, Thiel M (2000) Host use pattern and life history of Liopetrolisthes mitra, a crab associate of the black sea urchin Tetrapygus niger. J Mar Biol Assoc UK 80:639–645CrossRefGoogle Scholar
  3. Beddingfield SD, McClintock JB (1994) Environmentally-induced catastrophic mortality of the sea urchin Lytechinus variegatus in shallow seagrass habitats of Saint Joseph’s Bay, Florida. Bull Mar Sci 55:235–240Google Scholar
  4. Berggren M (1994) Periclimenes nomadophila and Tuleariocaris sarec, two new species of pontoniine shrimps (Decapoda: Pontoniinae), from Inhaca Island, Mozambique. J Crustac Biol 14:782–802CrossRefGoogle Scholar
  5. Bruce AJ (1974) The occurrence of Gnathophylloides mineri Schmitt (Decapoda Natantia, Gnathophyllidae) in the Indian Ocean. Crustaceana 26:313–315CrossRefGoogle Scholar
  6. Bruce AJ (1988) A note on Gnathophylloides mineri Schmitt (Crustacea: Decapoda: Paleomonidae), including its first occurrence in Australian waters. The Beagle, Rec North Territ Mus Arts Sci 5:97–100Google Scholar
  7. Castro P (1971) The Natantian shrimps (Crustacea, Decapoda) associated with invertebrates in Hawaii. Pac Sci 25:395–403Google Scholar
  8. Castro P (1978) Settlement and habitat selection in the larvae of Echinoecus pentagonus (A. Milne Edwards), a brachyuran crab symbiotic with sea urchins. J Exp Mar Biol Ecol 34:259–270CrossRefGoogle Scholar
  9. Criales MM (1984) Shrimps associated with coelenterates, echinoderms, and molluscs in the Santa Marta region, Colombia. J Crustac Biol 4:307–317CrossRefGoogle Scholar
  10. Fricke HW (1973) Eine Fisch-Seeigel-Partnerschaft Untersuchungen optischer Reizparameter beim Formenerkennen. Mar Biol 19:290–297CrossRefGoogle Scholar
  11. Fricke VW, Hentschel M (1971) Die Garnelen-Seeigel-Partnerschaft - eine Untersuchung der optischen Orientierung der Garnele. Z Tierpsychol 28:453–462Google Scholar
  12. Gherardi F (1991) Eco-ethological aspects of the symbiosis between the shrimp Athanas indicus (Coutiere 1903) and the sea urchin Echinometra mathaei (de Blainville 1825). Trop Zool 4:107–128Google Scholar
  13. Hendler G, Miller JE, Pawson DL, Kier PM (1995) Sea stars, sea urchins, and allies: echinoderms of Florida and the Caribbean. Smithsonian Institution, WashingtonGoogle Scholar
  14. Keller BD (1983) Coexistence of sea urchins in seagrass meadows: an experimental analysis of competition and predation. Ecology 64:1581–1598CrossRefGoogle Scholar
  15. Lewis JB (1956) The occurrence of the macruran Gnathophylloides mineri Schmitt on the spines of the edible sea-urchin Tripnuestes esculentus Leske in Barbados. Bull Mar Sci Gulf Caribb 6:288–291Google Scholar
  16. Maciá S (2000) The effects of sea urchin grazing and drift algal blooms on a subtropical seagrass bed community. J Exp Mar Ecol Biol 246:53–67CrossRefGoogle Scholar
  17. Marin IN, Anker A, Britayev TA, Palmer AR (2005) Symbiosis between the alpheid shrimp, Athanas ornithorhyncus Banner and Banner, 1973 (Crustacea: Decapoda), and the brittle star, Macrophiothrix longipeda (Lamarck, 1816) (Echinodermata: Ophiuroidea). Zool Stud 44:234–241Google Scholar
  18. Okuno J, Tanaka K (2001) The occurrence of a sea urchin associate, Gnathophylloides mineri Schmitt, 1933 (Crustacea: Decapoda: Gnathophyllidae) in Japanese waters. Journal of the Natural History Museum and Institute Chiba 6:157–162Google Scholar
  19. Patton WK, Patton RJ, Barnes A (1985) On the biology of Gnathophylloides mineri, a shrimp inhabiting the sea urchin Tripneustes ventricosus. J Crustac Biol 51:616–626CrossRefGoogle Scholar
  20. Rivera JA (1978) Aspects of the biology of Lytechinus variegatus (Lamarck, 1816) at Jobos Bay, Puerto Rico. M.S. thesis, University of Puerto RicoGoogle Scholar
  21. Schmitt WL (1933) Four new species of decapod crustaceans from Porto Rico. Am Mus Novit 662:1–9Google Scholar
  22. Stebbins TD (1988) Observations and experiments on the natural history and behavior of the commensal isopod Colidotea rostrata (Benedict, 1898) (Isopoda: Idoteidae). J Crustac Biol 8:539–547CrossRefGoogle Scholar
  23. Takahiro F, Masatsune T (1977) Levicaris mammillata (Edmondson), a Gnathophyllid shrimp associated with slate-pencil sea urchin, Heterocentrotus mammillatus (Linnaeus), from the Ogasawara and Ryukyu Islands. Bull Natl Sci Mus Ser A (Zool) 3:131–140Google Scholar
  24. Thiel M, Zander A, Baeza JA (2003) Movements of the symbiotic crab Liopetrolisthes mitra between its host sea urchin Tetrapygus niger. Bull Mar Sci 72:89–101Google Scholar
  25. Vadas RL, Fenchel T, Ogden JC (1982) Ecological studies on the sea urchin, Lytechinus variegatus, and the algal-seagrass communities of the Miskito Cays, Nicaragua. Aquat Bot 14:109–125CrossRefGoogle Scholar
  26. Valentine JF, Heck KL (1991) The role of sea urchin grazing in regulating subtropical seagrass meadows: evidence from field manipulations in the northern Gulf of Mexico. J Exp Mar Biol Ecol 154:215–230CrossRefGoogle Scholar
  27. VandenSpiegel D, Eeckhaut I, Jangoux M (1998) Host selection by Synalpheus stimpsoni (De Man), an ectosymbiotic shrimp of comatulid crinoids, inferred by a field survey and laboratory experiments. J Exp Mar Biol Ecol 225:185–196CrossRefGoogle Scholar

Copyright information

© Springer-Verlag and ISPA 2009

Authors and Affiliations

  1. 1.Department of BiologyBarry UniversityMiami ShoresUSA
  2. 2.Department of BiologyUniversity of MiamiCoral GablesUSA

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