Indirect effects of recreational fishing on behavior of the spiny lobster Panulirus argus

Parsons, Darren M.; Eggleston, David B.

doi:10.3354/meps303235

Cited by 34 publications

(33 citation statements)

References 41 publications

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“…For example, Caribbean spiny lobsters avoid shelters containing damaged conspecifics, both in the laboratory and in the field (Parsons and Eggleston, 2005;Parsons and Eggleston, 2006;Bouwma, 2006;Briones-Fourzán et al, 2006;Briones-Fourzán and Lozano-Álvarez, 2008). Fishermen in Mexico avoid throwing spiny lobster bodies back in the water after removing their tails because this practice leads to a poor catch (Briones-Fourzán et al, 2006).…”

Section: Discussion Alarm Responses Of Spiny Lobsters To Hemolymphmentioning

confidence: 99%

“…Decapod crustaceans also respond with alarm behavior to fluids leaked from injured conspecifics (Zimmer-Faust et al, 1985;Rittschof et al, 1992;Hazlett, 1994;Fleming et al, 2007). Caribbean spiny lobsters, Panulirus argus, have been reported to avoid fluids of injured conspecifics (Parsons and Eggleston, 2005;Parsons and Eggleston, 2006;Bouwma, 2006;Briones-Fourzán et al, 2006;Briones-Fourzán and Lozano-Álvarez, 2008). However, the source of chemical alarm cues from injured conspecifics and the immediate behavioral responses to such cues are poorly characterized.…”

Section: Introductionmentioning

confidence: 99%

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Spiny lobsters detect conspecific blood-borne alarm cues exclusively through olfactory sensilla

Shabani

Kamio

Derby

2008

Journal of Experimental Biology

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SUMMARYWhen attacked by predators, diverse animals actively or passively release molecules that evoke alarm and related anti-predatory behavior by nearby conspecifics. The actively released molecules are alarm pheromones, whereas the passively released molecules are alarm cues. For example, many insects have alarm-signaling systems that involve active release of alarm pheromones from specialized glands and detection of these signals using specific sensors. Many crustaceans passively release alarm cues, but the nature of the cues, sensors and responses is poorly characterized. Here we show in laboratory and field experiments that injured Caribbean spiny lobsters, Panulirus argus, passively release alarm cues via blood (hemolymph) that induce alarm responses in the form of avoidance and suppression of feeding. These cues are detected exclusively through specific olfactory chemosensors, the aesthetasc sensilla. The alarm cues for Caribbean spiny lobsters are not unique to the species but do show some phylogenetic specificity: P. argus responds primarily with alarm behavior to conspecific blood, but with mixed alarm and appetitive behaviors to blood from the congener Panulirus interruptus, or with appetitive behaviors to blood from the blue crab Callinectes sapidus. This study lays the foundation for future neuroethological studies of alarm cue systems in this and other decapod crustaceans. Supplementary material available online at

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Section: Discussion Alarm Responses Of Spiny Lobsters To Hemolymphmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Spiny lobsters detect conspecific blood-borne alarm cues exclusively through olfactory sensilla

Shabani

Kamio

Derby

2008

Journal of Experimental Biology

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“…Some shelters may contain conspecific chemical cues of aggregation but also alarm cues from injured conspecifics. Spiny lobsters are known to avoid shelters scented with fluids of injured or diseased conspecifics, or scents of predators (Berger and Butler, 2001;Parsons and Eggleston, 2005;Parsons and Eggleston, 2006;Behringer et al, 2006;Bouwma, 2006;Horner et al, 2008b).…”

Section: Conspecific Cues and Their Sensory Pathwaysmentioning

confidence: 99%

Spiny lobsters use urine-borne olfactory signaling and physical aggressive behaviors to influence social status of conspecifics

Shabani

Kamio

Derby

2009

Journal of Experimental Biology

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SUMMARYDecapod crustaceans, like many other animals, engage in agonistic behaviors that enhance their ability to compete for resources with conspecifics. These agonistic behaviors include the release of chemical signals as well as physical aggressive and submissive behaviors. In this study, we report that Caribbean spiny lobsters, Panulirus argus, use both urine-borne chemical signaling and physical aggressive behaviors during interactions with conspecifics, and that these agonistic behaviors can influence the behavior and eventual social status of the interactants. Spiny lobsters that engaged primarily in physical aggressive behaviors became dominant, whereas spiny lobsters that received these physical aggressive behaviors responded with avoidance behaviors and became subordinates. Dominant animals frequently released urine during social interactions, more than when they were not in contact with subordinates and more than when they were not paired with another animal. Subordinates released urine significantly less often than dominants, and no more than when not paired. Preventing release of urine by catheterizing the animals resulted in an increase in the number and duration of physical interactions, and this increase was primarily driven by dominants initiating interactions through physical aggressive behaviors. Introducing urine from one of the catheterized animals into an aquarium reduced physical aggressive behavior by dominant animals to normal levels. Urine-borne signals alone were capable of inducing avoidance behaviors from solitary spiny lobsters in both laboratory and field conditions. We conclude that urine serves as a chemical signal that communicates social status to the interactants. Ablation experiments showed that that these urine signals are detected primarily by aesthetasc sensilla of the olfactory pathway. Supplementary material available online at

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“…Fishing effort peaks during a 2 d mini-season for sport divers during the last week of July before the fishery opens to commercial and recreational fishers at the beginning of August. During this 2 d recreational fishery, 80-90% of legal sized lobsters present in targeted areas are removed (Eggleston et al 2003(Eggleston et al , 2008 and up to 27% of the remaining population of legal and sublegal lobsters may become visibly injured from interaction with sport divers (Parsons & Eggleston 2005). Lobster injury can result from either (1) an unsuccessful capture attempt, or (2) a successful capture and release of a sub-legal lobster.…”

mentioning

confidence: 99%

“…These injuries are detrimental to lobsters by reducing their growth (Davis 1981), causing direct mortality (Parsons & Eggleston 2005) and increasing exposure to predation by emigration from daytime shelters (Parsons & Eggleston 2006). Furthermore, the ability to attract other lobsters is eliminated when a lobster becomes injured (Parsons & Eggleston 2005).During underwater surveys of spiny lobsters in marine reserves and fished areas of the lower Florida Keys during summer 2004, we observed that the density of spiny lobster decreased by ~50% in fished areas from before to after the 2 d sport diver mini-season, yet increased ~3-fold in the relatively large and nearby Western Sambo marine reserve which contained high densities of relatively large lobsters (Fig. 1).…”

mentioning

confidence: 99%

Disturbance-induced ‘spill-in’ of Caribbean spiny lobster to marine reserves

Eggleston

Parsons²

2008

Mar. Ecol. Prog. Ser.

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Marine reserves have the potential to enhance fisheries productivity by increasing total spawning potential or by spillover, the migration of juveniles and adults from reserves to non-reserve areas. Spillover has been the focus of many studies and has been an important argument in promoting the benefits of marine reserves to gain public support. Few studies, however, have examined mechanisms for colonization or migrations into marine reserves. The present study provides direct field evidence that disturbance from a sport diving fishery can elevate the abundance of Caribbean spiny lobster Panulirus argus in nearby marine reserves -particularly in reserves containing relatively high densities of non-disturbed lobsters -presumably through conspecific attraction where lobsters follow chemical cues to undisturbed sites in marine reserves. Population redistribution following fishery disturbance has implications for marine reserve design and application. For example, risk-averse fishery management strategies might locate reserves adjacent to intensely fished areas to enhance spill-in of mobile species.KEY WORDS: Animal behavior · Caribbean spiny lobster · Disturbance · Fisheries management · Sociality · Marine protected areas · Marine reserves · Predation · Spill-in · Spillover · Sport divers Resale or republication not permitted without written consent of the publisherMar Ecol Prog Ser 371: [213][214][215][216][217][218][219][220] 2008 density dependent movements away from areas of lower resource availability, or ontogenetic habitat shifts (e.g. Gerber et al. 2005 and references therein). In the present study, we examine marine reserve function by considering the behavioral mechanisms underlying immigration to reserves and its ecological and management consequences. The Caribbean spiny lobster Panulirus argus, which is actively hunted by sport divers in the Florida Keys, USA, is used as an example of disturbance-induced immigration to marine reserves.Caribbean spiny lobsters support important recreational and commercial fisheries throughout their range (Lipcius & Eggleston 2000). Spiny lobsters are highly gregarious, aggregating in crevices and beneath sponges during the day (Herrnkind et al. 1975, Eggleston & Lipcius 1992, and foraging on gastropods, chitons and bivalves in nearby seagrass beds and hard bottom habitats at night (Cox et al. 1997). As spiny lobsters return to their dens from nocturnal foraging, or exhibit larger scale ontogenetic habitat shifts, they use the smell of conspecifics to form migrating queues (i.e. single-file lines), and further use the smell of conspecifics already inhabiting shelters as a type of 'guide effect' to find high quality shelter more quickly than in the absence of conspecific odors (Childress & Herrnkind 2001). The attractive odor is volumedependent (i.e. dependent on the size of the individual or group) and released by conspecifics around dawn (Ratchford & Eggleston 1998.Recreational sport divers exploit the gregarious nature of lobsters by targeting dens with hi...

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Indirect effects of recreational fishing on behavior of the spiny lobster Panulirus argus

Cited by 34 publications

References 41 publications

Spiny lobsters detect conspecific blood-borne alarm cues exclusively through olfactory sensilla

Spiny lobsters detect conspecific blood-borne alarm cues exclusively through olfactory sensilla

Spiny lobsters use urine-borne olfactory signaling and physical aggressive behaviors to influence social status of conspecifics

Disturbance-induced ‘spill-in’ of Caribbean spiny lobster to marine reserves

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