‘Following the leader’: first record of a species from the genus Lutjanus acting as a follower of an octopus

Pereira, Pedro Henrique Cipresso; Moraes, Rodrigo Lima Guerra de; Feitosa, João Lucas Leão; Ferreira, Beatrice Padovani

doi:10.1017/s1755267211000856

Cited by 9 publications

(7 citation statements)

References 22 publications

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“…This same pattern has been observed for groupers and snappers in feeding associations with octopuses (Diamant & Sphigel 1985;Pereira et al 2011b). In both cases the species showing the snout stripe benefits from the association, i.e.…”

Section: Discussionsupporting

confidence: 77%

Behavioral and ontogenetic colour changes of a poorly known lutjanid

Feitosa

Chaves

Pereira

et al. 2012

Marine Biology Research

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Section: Discussionsupporting

confidence: 77%

Behavioral and ontogenetic colour changes of a poorly known lutjanid

Feitosa

Chaves

Pereira

et al. 2012

Marine Biology Research

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“…; Pereira et al . ). Behavioural changes in fish may be dependent on the frequency of encounters between fish and stimuli (Brown et al .…”

Section: Discussionmentioning

confidence: 97%

Observer presence may alter the behaviour of reef fishes associated with coral colonies

2016

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Although underwater visual census (UVC) is the most frequently used technique for quantifying reef fish assemblages, remote video analysis has been gaining attention as a potential alternative. In the South Atlantic Ocean, Millepora spp. (class Hydrozoa) are the only branching coral species; however, little is known about the ecological role that they play for reef fish communities. We compared these two observation methods (remote video and UVC) to estimate reef fish abundance and species richness associated with colonies of the firecoral Millepora alcicornis at Tamandar e Reefs, Northeast Brazil. Additionally, the two different techniques were used to compare species behaviour in association with fire-corals in order to examine the biases associated with each technique and provide useful information for behavioural ecologists studying fishcoral associations. There were no differences in reef fish abundance or species richness sampled by remote video or UVC. However, a significant difference in the behaviour of associated fish was recorded between the two methods. In the presence of a diver carrying out a UVC, fish were observed spending more time sheltered amongst the coral branches compared with passively swimming on coral colonies with the remote video technique. Specifically, on the remote video recordings agonistic interactions between fish and passive swimming accounted for 33.3% and 22.2% of the census time, respectively. By comparison, when observed by a diver fish spent 34.8% of their time sheltering amongst the coral branches. We demonstrate that both techniques are similarly effective for recording fish abundance and species richness associated with firecorals. However, differences were observed in the ability of each method to detect the behaviour of coral-associated fishes. Our findings show that behavioural ecologists studying complex fish-coral associations need to ensure that their aims are clearly defined and that they choose the most appropriate technique for their study in order to minimize methodological biases.

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“…These interactions are particularly common among species that cause bottom disturbances when foraging and others that opportunistically feed on exposed and fleeing prey (Sazima et al 2007). A range of species groups, including echinoderms, octopuses, larger fish and marine reptiles, act as nuclear species (Strand 1988;Pereira et al 2011). In contrast, the following behaviour is mostly shown by smaller and mid-sized reef fishes.…”

Section: Introductionmentioning

confidence: 99%

Nuclear–follower foraging behaviour between Western Australian common octopus and brown-spotted wrasse

Somaweera

Somaweera²

2021

Mar. Freshwater Res.

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A common feeding association among reef fishes involves nuclear and follower species, where the former disturbs the bottom, during which the latter opportunistically feeds on items exposed. Here, we report such interactions between Western Australian common octopuses (Octopus (cf) tetricus) and brown-spotted wrasse (Notolabrus parilus) observed on eight occasions while snorkeling at four temperate-water reefs along the coast of Perth in Western Australia. We compare the interactions observed to other octopus-fish nuclear-follower associations known. In general, these interactions usually benefit the follower species and could play a significant role on reef trophodynamics.

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‘Following the leader’: first record of a species from the genus Lutjanus acting as a follower of an octopus

Cited by 9 publications

References 22 publications

Behavioral and ontogenetic colour changes of a poorly known lutjanid

Behavioral and ontogenetic colour changes of a poorly known lutjanid

Observer presence may alter the behaviour of reef fishes associated with coral colonies

Nuclear–follower foraging behaviour between Western Australian common octopus and brown-spotted wrasse

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