Unique arm-flapping behavior of the pharaoh cuttlefish, Sepia pharaonis: putative mimicry of a hermit crab

Okamoto, Kohei; Yasumuro, Haruhiko; Mori, Akira; Ikeda, Yuzuru

doi:10.1007/s10164-017-0519-7

Cited by 13 publications

(7 citation statements)

References 27 publications

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“…M. pfefferi, and all Sepia spp. looked at here) was observed within active hunting or ambush events, suggesting that they are not independent hunting modes themselves, as previously thought 16 , but rather body patterns (chromatic, textural, postural) or locomotor components that can be simultaneously/sequentially expressed and aid hunting by the addition of prey distraction or prey deception 20,21,26 .…”

Section: Discussionsupporting

confidence: 62%

Social Media and citizen science provide valuable data for behavioural ecology research: Are cuttlefish using pursuit-deterrent signals during hunting?

Gordon

Pugh

Cooke

2019

Preprint

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Obtaining robust, analysable data sets from wild marine animals is fraught with difficulties, dangers, expense, often without success. Scientists are becoming increasingly reliant on citizen scientists to help fill in gaps where they exist, especially in the area of biodiversity. Here, uniquely, we use social media and citizen science videos to investigate the behavioural ecology of hunting in five cuttlefish species -Metasepia pfefferi (N = 24), Sepia apama (N = 13), Sepia latimanus (N = 8), Sepia officinalis (N = 17), and Sepia pharaonis (N = 23). We find that hunting strategies and prey type differ between species as do the types of behaviours used by the five species studied here. We also use kinematic permutation analysis to elucidate chains of behaviours, finding that cuttlefish significantly use a mixture of predator behaviours but also prey-like behaviours, such as warning signals and possibly even a 'pursuit-deterrent signal' during the final moments of hunting. We also show and discuss significant intraspecific differences.

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Section: Discussionsupporting

confidence: 62%

Social Media and citizen science provide valuable data for behavioural ecology research: Are cuttlefish using pursuit-deterrent signals during hunting?

Gordon

Pugh

Cooke

2019

Preprint

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“…Specifically, cuttlefish dynamically change their foraging strategies in response to changes in prey availability and proximate‐future expectations (Billard, Clayton, & Jozet‐Alves, 2020a). Furthermore, mimic octopuses, Thaumoctopus sp., have been observed disguising themselves as flounders (Hanlon, Conroy, & Forsythe, 2008; Hanlon, Watson, & Barbosa, 2010) and other species of octopus and cuttlefish have been observed disguising themselves as crawling hermit crabs (Huffard, 2007; Okamoto et al ., 2017), which might serve as mimicry to optimise foraging behaviour. Pharaoh cuttlefish, in particular, exhibit this disguise whilst hunting, allegedly to catch more prey (Okamoto et al ., 2017).…”

Section: Behavioural Flexibility In Cephalopodsmentioning

confidence: 99%

How intelligent is a cephalopod? Lessons from comparative cognition

et al. 2020

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The soft‐bodied cephalopods including octopus, cuttlefish, and squid are broadly considered to be the most cognitively advanced group of invertebrates. Previous research has demonstrated that these large‐brained molluscs possess a suite of cognitive attributes that are comparable to those found in some vertebrates, including highly developed perception, learning, and memory abilities. Cephalopods are also renowned for performing sophisticated feats of flexible behaviour, which have led to claims of complex cognition such as causal reasoning, future planning, and mental attribution. Hypotheses to explain why complex cognition might have emerged in cephalopods suggest that a combination of predation, foraging, and competitive pressures are likely to have driven cognitive complexity in this group of animals. Currently, it is difficult to gauge the extent to which cephalopod behaviours are underpinned by complex cognition because many of the recent claims are largely based on anecdotal evidence. In this review, we provide a general overview of cephalopod cognition with a particular focus on the cognitive attributes that are thought to be prerequisites for more complex cognitive abilities. We then discuss different types of behavioural flexibility exhibited by cephalopods and, using examples from other taxa, highlight that behavioural flexibility could be explained by putatively simpler mechanisms. Consequently, behavioural flexibility should not be used as evidence of complex cognition. Fortunately, the field of comparative cognition centres on designing methods to pinpoint the underlying mechanisms that drive behaviours. To illustrate the utility of the methods developed in comparative cognition research, we provide a series of experimental designs aimed at distinguishing between complex cognition and simpler alternative explanations. Finally, we discuss the advantages of using cephalopods to develop a more comprehensive reconstruction of cognitive evolution.

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“…They feed infrequently and digest slowly (Boucaud-Camou, Boucher-Rodoni, 1983;Boucher-Rodoni et al, 1987;Omura et al, 2015). They settle at the bottom (Nabhitabhata, Nilaphat 1999;Okamoto, 2017). Storing tentacles by adjusting the coiling method according to their situation may be suitable for the benthic lifestyle of cuttlefish.…”

Section: Discussionmentioning

confidence: 99%

“…This species is widely distributed in the Indian Ocean and western Pacific, including the Red Sea and Arabian Sea south to Zanzibar and Madagascar, Andaman Sea to South China Sea, East China Sea, Taiwan Province of China, Japan (Kyushu and possibly southern Honshu), eastern Indonesia and northern Australia (Jereb, Roper, 2005), and its ecology and behaviour were well studied (e.g. Nabhitabhata, Nilaphat, 1999;Okamoto, 2017). However, the tentacles storage of this species remains largely unknown.…”

Section: Introductionmentioning

confidence: 99%

About storage of tentacles in the pockets of cuttlefishes (Mollusca: Cephalopoda)

Omura

2023

Invertzool

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Cuttlefishes store their tentacles in the pockets, which are open depressions in the anteroventral surface of the head between the bases of arms III and IV. When cuttlefishes hunt prey, they rapidly extend their tentacles from the pockets towards the prey, catch it using tentacular clubs, retract the tentacles to the pockets, and then hold it to their mouth using their arms. Tentacle storage in the pockets is important for hunting. However, the arrangement of the tentacles in the pockets remains unknown. In this study, I report the arrangement of tentacles in the pockets of pharaoh cuttlefish Sepia pharaonis (Ehrenberg, 1831) and golden cuttlefish Sepia esculenta (Hoyle, 1885) by morphological observation. Two patterns for keeping the tentacles in the pockets were observed. In the first pattern, tentacular clubs were located outside the tentacle pocket openings. The curling of tentacular stalks was less complex than that of the second pattern. In the second pattern, tentacular clubs were completely retained inside the pockets. The curling of the tentacular stalk was more complex than that of the first pattern. In both patterns, the tentacular stalks first turned from the origin towards the oral side and then curled with twisting from the oral side to the aboral side in the pockets. We observed that tentacular stalks did not tangle. This result contributes to understanding the basic morphology of tentacular storage in cuttlefish pockets. Possible causes for the differences between the two patterns are discussed. How to cite this article: Omura A. 2023. About storage of tentacles in the pockets cuttlefishes (Mollusca: Cephalopoda) // Invert.

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Unique arm-flapping behavior of the pharaoh cuttlefish, Sepia pharaonis: putative mimicry of a hermit crab

Cited by 13 publications

References 27 publications

Social Media and citizen science provide valuable data for behavioural ecology research: Are cuttlefish using pursuit-deterrent signals during hunting?

Social Media and citizen science provide valuable data for behavioural ecology research: Are cuttlefish using pursuit-deterrent signals during hunting?

How intelligent is a cephalopod? Lessons from comparative cognition

About storage of tentacles in the pockets of cuttlefishes (Mollusca: Cephalopoda)

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