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New epibiotic association in the deep-sea: the amphipod Caprella ungulina and the Patagonian lobsterette Thymops birsteini in the South-western Atlantic
Rumbold, C.E.; Chiesa, I.L.; Farías, N.E. (2021). New epibiotic association in the deep-sea: the amphipod Caprella ungulina and the Patagonian lobsterette Thymops birsteini in the South-western Atlantic. J. Mar. Biol. Ass. U.K. 101(8): 1171-1179. https://dx.doi.org/10.1017/s0025315422000170
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; e-ISSN 1469-7769
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| Trefwoorden |
Distribution
Interspecific relationships > Epibiosis
PSW, Argentina, Buenos Aires, Mar del Plata
Caprellidae Leach, 1814 [WoRMS]; Nephropidae Dana, 1852 [WoRMS]
Marien/Kust |
| Author keywords |
deep-sea; Mar del Plata Submarine Canyon |
| Auteurs | | Top |
- Rumbold, C.E.
- Chiesa, I.L.
- Farías, N.E.
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| Abstract |
The present study reports for the first time the association between the decapod Thymops birsteini (Nephropidae) and the amphipod Caprella ungulina (Caprellidae). A benthic biodiversity survey was carried out to explore the Mar del Plata Submarine Canyon, off the Argentine coast, in the South-western Atlantic Ocean. A total of 205 caprellids (181 juveniles, 4 males and 20 not-classified individuals) were found attached to 7 specimens of T. birsteini caught between 1087–2212 m depth. The epibiotic parameters showed that the prevalence of C. ungulina on T. birsteini was 50%; the mean abundance was 14.64 and the intensity value was 29.29. In addition, specimens of C. ungulina were recorded mainly on mouthparts of T. birsteini (31.22%), followed by chelipeds (18.05%), cephalothorax (4.88%) and pereiopods (0.98%). Our finding of C. ungulina provides the deepest record until now; additionally, this epibiont is reported in a new host belonging to an infraorder and a family of crustacean that had not previously been found as basibionts. The potential mechanisms implied in the wide distribution of C. ungulina are discussed. |
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