Refuge size, group living and symbiosis: testing the “resource economic monopolization” hypothesis with the shrimp Betaeus lilianae and description of its partnership with the crab Platyxanthus crenulatus

Baeza, J. Antonio; Farias, Nahuel Emiliano; Luppi, Tomás Atilio; Spivak, Eduardo D.

doi:10.1016/j.jembe.2010.03.014

Cited by 19 publications

(4 citation statements)

References 35 publications

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“…Such interaction, however, do not lead to discernible differences in body size among adult P. minutus with respect to RSA. Collectively, these results support the prediction that group size and composition of refuge-dwelling animals are modulated by refuge size and the per-individual value and feasibility of refuge monopolization [2][3][4][5].…”

Section: Discussionsupporting

confidence: 75%

“…greatly in size, offer us an opportunity to test whether variation in refuge size consistently influences group size and composition within a species. Because refuge size dictates the per-individual value and feasibility of refuge monopolization [3,5], we predict that, regardless of substratum type, groups should be larger and less exclusive when refuges are relatively large and smaller and more exclusive when refuges are relatively small.…”

Section: Introductionmentioning

confidence: 99%

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Sea turtle symbiosis facilitates social monogamy in oceanic crabs via refuge size

Pfaller

Gil

2016

Biol. Lett.

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The capacity for resource monopolization by individuals often dictates the size and composition of animal groups, and ultimately, the adoption of mating strategies. For refuge-dwelling animals, the ability (or inability) of individuals to monopolize refuges should depend on the relative size of the refuge. In theory, groups should be larger and more inclusive when refuges are large, and smaller and more exclusive when refuges are small, regardless of refuge type. We test this prediction by comparing the size and composition of groups of oceanic crabs (Planes minutus) living on plastic flotsam and loggerhead sea turtles. We found that (i) surface area of refuges (barnacle colonies on flotsam and supracaudal space on turtles) is a better predictor of crab number than total surface area and (ii) flotsam and turtles with similar refuge surface area host a similar number (1-2) and composition (adult male-female pairs) of crabs. These results indicate that group size and composition of refuge-dwelling animals are modulated by refuge size and the capacity for refuge monopolization. Moreover, these results suggest that sea turtle symbiosis facilitates social monogamy in oceanic crabs, providing insights into how symbiosis can promote specific mating strategies.

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Section: Discussionsupporting

confidence: 75%

Section: Introductionmentioning

confidence: 99%

Sea turtle symbiosis facilitates social monogamy in oceanic crabs via refuge size

Pfaller

Gil

2016

Biol. Lett.

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“…fish, mantis shrimp, amongst others). The large claws of snapping shrimps (notice claw size in Figure 1C) likely decrease the chances of Salmoneus carvachoi being attacked, for example by fish predators (see Baeza et al, 2010). Benefits or costs for snapping and mud shrimps resulting from the association with Salmoneus carvachoi are more difficult to foresee.…”

Section: Symbiosis Between Salmoneus Carvachoi and Burrowing Crustaceansmentioning

confidence: 99%

Observations on the life history of a rare shrimp, Salmoneus carvachoi (Crustacea: Caridea: Alpheidae), a possible simultaneous hermaphrodite

Oliveira

Costa-Souza

Guimarães

et al. 2015

Mar. Biodivers. Rec.

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This study reports on the life history of a rare alpheid shrimp,Salmoneus carvachoi, in the tropical western Atlantic. At an intertidal flat in Pontal Bay, Ilhéus, Bahia, north-eastern Brazil,S. carvachoiwas collected from within burrows of the axianassid mud shrimpAxianassa australisand the caridean snapping shrimpsAlpheus estuariensisandAlpheus chacei. These and earlier studies that reportedS. carvachoiin dwellings constructed by other larger burrowing crustaceans suggest thatS. carvachoiis a generalist species that establishes facultative symbiotic partnerships with larger burrowing decapods. We collected a total of 52 individuals during the sampling period (1 year); 19 (36.5%) of these shrimps carried embryos underneath the abdomen. The mean ± SD carapace length was 4.7 ± 0.7 and 5.5 ± 0.3 mm in non-brooding and brooding shrimps, respectively. All collected specimens, whether or not brooding embryos, bear appendices masculinae on the endopods of the second pleopods. Burrows harboured only one or two shrimps and never three or more shrimps. Pairs of shrimp that inhabited burrows consisted of two brooding shrimps (N = 3 pairs), two non-brooding shrimps (N = 3), or one brooding and one non-brooding shrimp (N = 1). The presence of appendices masculinae in all collected shrimps, whether or not brooding embryos, and the pairing of brooding shrimp within host burrows suggest thatS. carvachoiis a simultaneously hermaphroditic species.

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“…Gobius paganellus generally remained in the same rockpool, suggesting a site fidelity behaviour and avoidance to cross into nearby pools. This fidelity behaviour is potentially associated with: (i) increased predator refuge conditions, such as comparatively higher algae canopy cover or increased crevice availability (Baeza & Thiel, 2007;Baeza, Farías, Luppi, & Spivak, 2010); (ii) territorial and food defence behaviours (Baeza & Thiel, 2003Emlen & Oring, 1977) and; (iii) preference F I G U R E 2 Overview of Gobius paganellus recaptured tagged individuals, represented as the average percentage of recaptured individuals in all recapture occasions, per sampled rockpool (P1 through P12).…”

Section: Gobius Paganellusmentioning

confidence: 99%

Site fidelity of intertidal fish to rockpools

et al. 2017

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Summary Gobius paganellus, Lipophrys pholis and Coryphoblennius galerita are wide‐spread intertidal fish that spend their earlier life stages in rock pools, and yet very little is known about their site fidelity behaviour. For these species, fidelity to rockpools may result in increased fitness costs in a predicted scenario of warmer sea water, due to the low thermal inertia of these water bodies. In this context, it is relevant to investigate these species' site fidelity. We made a mark‐recapture study to assess the mentioned species' movements within and between rockpools. We tagged a total of 530 individuals of the aforementioned species with the Visible Implant Elastomer and tracked their movement for a 7‐month period. We found that site fidelity and specific rockpools conditions are important factors in distribution of intertidal blennies and gobies. We also examined the relations between rockpool volume, depth and site fidelity. We found that G. paganellus tends to remain in its original marking pool, with an average recapture rate of 20.5%, but showed no evidence of inter‐pool movement. Rockpool depth, however, proved to be important in the blennies' movements. Our findings are among the first to prove that a mark‐recapture method can be successfully used to track intertidal fish movements. In particular, we showed that G. paganellus presents site fidelity in intertidal rockpools during its early ontogeny for a period of two to three months.

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Refuge size, group living and symbiosis: testing the “resource economic monopolization” hypothesis with the shrimp Betaeus lilianae and description of its partnership with the crab Platyxanthus crenulatus

Cited by 19 publications

References 35 publications

Sea turtle symbiosis facilitates social monogamy in oceanic crabs via refuge size

Sea turtle symbiosis facilitates social monogamy in oceanic crabs via refuge size

Observations on the life history of a rare shrimp, Salmoneus carvachoi (Crustacea: Caridea: Alpheidae), a possible simultaneous hermaphrodite

Site fidelity of intertidal fish to rockpools

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