Immunohistochemical Localization of a GnRH-Like Peptide in the Nerve Ganglion of Three Classes of Crustaceans, the Tadpole Shrimp Triops longicaudatus (Branchiopoda), the Barnacle Balanus crenatus (Hexanauplia), and the Hermit Crab Pagurus filholi (Malacostraca)

2020 ◽  
Vol 38 (1) ◽  
Author(s):  
Masafumi Amano ◽  
Noriko Amiya ◽  
Takuji Okumura ◽  
Ryusuke Kado
Keyword(s):  
Hermit Crab ◽  
Immunohistochemical Localization ◽  
Triops Longicaudatus ◽  
Nerve Ganglion ◽  
Pagurus Filholi ◽  
Tadpole Shrimp

scholarly journals Asymmetrical morphology and growth of the hermit crab Pagurus filholi (Decapoda, Anomura, Paguridae) reared in non-dextral shell conditions

Crustaceana ◽  
2014 ◽  
Vol 87 (4) ◽  
pp. 476-488 ◽  
Author(s):  
Michio Imafuku ◽  
Hisakazu Ikeda
Keyword(s):  
Hermit Crab ◽  
The Body ◽  
Body Parts ◽  
Pagurus Filholi ◽  
Control Body ◽  
The Right ◽  
De Man ◽  
Major Cheliped

The body of a hermit crab shows asymmetrical morphology, which may be related to utilization of the dextral shell. To examine the effect of the shell, we reared Pagurus filholi (De Man, 1887) from the glaucothoe stage to full-sized adults, in a sinistral shell, in a straight tusk shell, without a shell, and in a normal dextral shell as a control. Body parts that show the most conspicuous asymmetry, uropods, pleopods and chelipeds, were checked at the time of the shedding of exuviae during rearing. No inversion of laterality on these characters was observed. However, in crabs subjected to conditions other than a dextral shell, the otherwise rather short right uropod became somewhat extended, and in those reared in sinistral shells, the right major cheliped was more enlarged.

Effect of Rice Winter Cultural Management Practices on the Size of the Hatching Population of Triops longicaudatus (Notostraca: Triopsidae) in California Rice Fields

2020 ◽  
Vol 113 (3) ◽  
pp. 1243-1247
Author(s):  
Joanna B Bloese ◽  
Kevin M Goding ◽  
Larry D Godfrey
Keyword(s):  
Rice Straw ◽  
Management Practices ◽  
Cultural Practices ◽  
Straw Decomposition ◽  
Cultural Management ◽  
Triops Longicaudatus ◽  
Rice Pest ◽  
Tadpole Shrimp ◽  
Winter Flooding ◽  
The University

Abstract The tadpole shrimp [Triops longicaudatus (Leconte)] has emerged as a significant pest of rice grown in California in recent decades. The change in T. longicaudatus’ pest status has coincided with changes in cultural management of residual rice straw postharvest. Policy changes have reduced the postharvest burning of fields from nearly 95% to less than 10%, promoting increased use of winter flooding as a means of accelerating straw decomposition. Field and laboratory trials were conducted from 2015 to 2017 at the Rice Experiment Station in Biggs, CA and in greenhouses at the University of California (UC) Davis to evaluate the effects of burning, flooding, and a fallow control on T. longicaudatus population dynamics. Experiments demonstrated that burning of rice straw failed to suppress densities of hatching T. longicaudatus and actually had the reverse effect, causing a 51% increase in numbers hatching, perhaps as a result of burning triggering termination of multiyear T. longicaudatus egg dormancy. Winter flooding had no measurable effect on T. longicaudatus hatch. Thus, these changes in winter cultural practices do not appear to be responsible for the emergence of T. longicaudatus as a major rice pest.

Antipredator defence of the hermit crab Pagurus filholi induced by predatory crabs

Oikos ◽  
2003 ◽  
Vol 102 (1) ◽  
pp. 104-110 ◽  
Author(s):  
Azusa Mima ◽  
Satoshi Wada ◽  
Seiji Goshima
Keyword(s):  
Hermit Crab ◽  
Pagurus Filholi ◽  
Antipredator Defence

Reason for being single: some males do not guard receptive females in the hermit crab Pagurus filholi

2015 ◽  
Vol 107 ◽  
pp. 1-5 ◽  
Author(s):  
Yukari Hasaba ◽  
Chiaki I. Yasuda ◽  
Satoshi Wada
Keyword(s):  
Hermit Crab ◽  
Pagurus Filholi
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