Observations on the Mating Behavior and Season, With No Form Alternation, of the Japanese Crayfish, Cambaroides Japonicus (Decapoda, Cambaridae), in Lake Komadome, Japan

Kawai, Tadashi; Saito, K.

doi:10.1651/0278-0372(2001)021[0885:ootmba]2.0.co;2

Cited by 7 publications

(3 citation statements)

References 22 publications

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“…Morphology of male first pleopod is considered as an important taxonomic character for Cambaroides (Hobbs, 1974;Fitzpatrick, 1995) and it shows a simple secondary sex character which is only Form I (Kawai and Saito, 2001). It was reported that the adult male pleopods are different between any two species of Cambaroides (Hart, 1953), and the most striking feature being the morphology of apical robes of the pleopod (Okada, 1933;Fitzpatrick, 1995).…”

Section: Resultsmentioning

confidence: 99%

Reassessment of cambaroides dauricus and C. schrenckii (Crustacea: Decapoda: Cambaridae)

Kawai¹,

Machino

2003

Korean Journal of Biological Sciences

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Section: Resultsmentioning

confidence: 99%

Reassessment of cambaroides dauricus and C. schrenckii (Crustacea: Decapoda: Cambaridae)

Kawai¹,

Machino

2003

Korean Journal of Biological Sciences

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“…In Procambarus clarkii, the antennae are important for males to locate and to position females (Ameyaw-Akumfi 1981), whereas in Palaemonetes pugio, antennal contact is important for males to recognize mature females (Berg and Sandifer 1984). The supine position observed in A. platensis has already been observed in some crayfish species, such as Cambaroides japonicus and Cherax quadricarinatus (Kawai and Saito 2001;Barki and Karplus 1999), but is generally considered to be rare among crayfishes (Mason 1970;Ingle and Thomas 1974;Pippitt 1977;Bechler 1981). In A. platensis, all females copulating were hardened (i.e., at the intermolt stage), and their position above the males may have two explanations: first, the female may need to position herself above the male to transfer the oocytes to the abdominal chamber by gravity; second, the position during the copulatory phase could be a strategy to increase the chances of success of copulation (Hartnoll 1969).…”

Section: Discussionmentioning

confidence: 97%

Mating behavior of Aegla platensis (Crustacea, Anomura, Aeglidae) under laboratory conditions

Almerão

Bond‐Buckup

Mendonça

2009

J Ethol

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The mating behavior of several decapod crustaceans has been extensively studied; however, this aspect of anomuran biology is still poorly known in some groups. Aeglids are the only anomurans inhabiting freshwaters, and the mating behavior of the species in this family is unknown. We provide the first account of the mating behavior of an aeglid, Aegla platensis, under laboratory conditions. The precopulatory phase was characterized by male agonistic display, male approach, and courtship. Males exhibited the agonistic display toward immature and mature females, but only physiologically mature females allowed males to approach. Male approach led to display of courtship behaviors (body vibration, thrust, body lifting, and abdomen flapping). During the copulatory phase, males and females touched each other with the antennae (antennae touch), and males positioned themselves beneath the females (supine position). Although sperm transfer was not directly observed, a ''white mass'' was detected among oocytes in the female abdominal chamber shortly after some copulations. Finally, in the postcopulatory phase, males guard females during the process of egg attachment.Despite their morphological similarities with other anomurans, the mating behavior of aeglids seems to be unique, and the freshwater environment appears to have an important role in driving these differences.

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“…Initial behavioural work has characterized movement patterns Gherardi et al, 1998, diel activity (Hazlett et al, 1979;, and mating behaviour of crayfish (Berrill & Arsenault, 1982Kawai & Saito, 2001). Accounts of crayfish agonistic behaviour in the field are limited to largely anecdotal reports (Bovbjerg, 1953;Hazlett et al, 1979, Bergman & Moore, 2003.…”

Section: Introductionmentioning

confidence: 99%

Activity patterns, behavioural repertoires, and agonistic interactions of crayfish: A non-manipulative field study

Davis

Huber

2007

Behav

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SummaryAgonistic behaviour of crayfish has been studied extensively in laboratory settings where pairs or groups of individuals are allowed to interact within an experimental arena. Crayfish agonistic behaviour within its natural context, however, has received little attention to date. The present, non-manipulative field study explored activity patterns, behavioural repertoires, and agonistic encounters of rusty crayfish (Orconectes rusticus) during the summer months using continuous, 24-hour, underwater video recording at a series of representative field sites. Following the filming, crayfish within the vicinity of the camera site were captured and measured. Individual densities were high, reaching a maximum of 68 individuals/m 2 at some sites. Large crayfish predominantly inhabited deeper sections of the river and were mostly active at night, whereas small crayfish generally utilized the shallows and were active outside their burrows during day and dusk. Time outside their shelter was mainly used for feeding. Individuals frequently returned to the same shelter they had emerged from. Agonistic encounters were common events and generally occurred in the context of shelter acquisition or defense. Dyadic fighting progressed with escalating sequences of stereotyped aggressive acts. Furthermore, high intensities with unrestrained use of claws were seen in encounters between size-matched opponents. The results of this study allow us to root laboratory findings of crayfish aggression within a comprehensive, ethological framework and to consider ultimate consequences for individual fighting decisions and strategies.

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Observations on the Mating Behavior and Season, With No Form Alternation, of the Japanese Crayfish, Cambaroides Japonicus (Decapoda, Cambaridae), in Lake Komadome, Japan

Cited by 7 publications

References 22 publications

Reassessment of cambaroides dauricus and C. schrenckii (Crustacea: Decapoda: Cambaridae)

Reassessment of cambaroides dauricus and C. schrenckii (Crustacea: Decapoda: Cambaridae)

Mating behavior of Aegla platensis (Crustacea, Anomura, Aeglidae) under laboratory conditions

Activity patterns, behavioural repertoires, and agonistic interactions of crayfish: A non-manipulative field study

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