Results 11 to 20 of about 314,737 (252)
A review of the freshwater crabs of Turkey (Brachyura, Potamidae) [PDF]
Archives of Polish Fisheries, 2018 The present status of freshwater crabs (Decapoda, Brachyura) in Turkey is reviewed in this study, with the purpose of identifying the exact number of species, their conservation status, and their distribution.
Harlıoğlu Muzaffer Mustafa +2 more
doaj +2 more sources
Absorption of Silver on the Gills of a Freshwater Crab [PDF]
Nature, 1952 UNDER this title, Dr. D. W. Ewer and Ivan Hattingh1 quote in the following context a passage from a paper of mine2: “The localization of the silver-absorbing areas to certain gills which we have found in Potamon provides an exception to Koch's statement that ‘tous les organes decrits comme branchies chez les Crustaces…absorbent l'Ag'’.” However, the ...
D. W. EWER, IVAN HATTINGH
+5 more sources
X-band crab cavities for the CLIC beam delivery system [PDF]
, 2008 The CLIC machine incorporates a 20 mrad crossing angle at the IP to aid the extraction of spent beams. In order to recover the luminosity lost through the crossing angle a crab cavity is proposed to rotate the bunches prior to collision.
Dexter, Amos +13 more
core +4 more sources
Sexual Disruption in the Freshwater Crab (Geothelphusa dehaani) [PDF]
Integrative and Comparative Biology, 2005 To clarify the effect of environmental endocrine disruptors on the induction of secondary sexual characteristics in wild animals, we observed 1,527 male and 1,847 female specimens of sexually mature Japanese freshwater crabs, Geothelphusa dehaani, collected at 12 sample points from 10 rivers in Sasebo City, Nagasaki Prefecture, Japan.
Toshikazu, Ayaki +4 more
openaire +2 more sources
The oldest freshwater crabs: claws on dinosaur bones [PDF]
Scientific Reports, 2019 Abstract With approximately 1,500 extant species, freshwater crabs (Decapoda: Brachyura) are among the most diverse decapod crustaceans. Nevertheless, their fossil record is extremely limited: only Potamidae, Potamonautidae and Trichodactylidae are reported up to the Eocene of the Neotropics so far.
Robin, Ninon +7 more
openaire +3 more sources
Description of two new species of the genus Heterochelamon Türkay & Dai, 1997 (Crustacea: Decapoda: Brachyura: Potamidae), from southern China [PDF]
PeerJ, 2020 This study describes two new species of freshwater crab of the genus Heterochelamon Türkay & Dai, 1997 from southern China, H. huidongense from Guangdong Province and H. jinxiuense from Guangxi Zhuang Autonomous Region.
Song-Bo Wang, Yi-Yang Xu, Jie-Xin Zou
doaj +2 more sources
Journal of Fungi, 2023 M. bicuspidata var. bicuspidata is a pathogenic yeast which can affect aquacultured and marine-cultured animals such as brine shrimp, ridgetail white prawn, chinook salmon, giant freshwater prawn, the Chinese mitten crab, marine crab, the mud crab, the ...
Khalef Hansali +4 more
doaj +1 more source
Criteria for coastwide crab condition sampling
“Prepared for the State/Federal Dungeness Crab Management Program.” Crabs molt every year. After they molt, their shells are soft and are not filled out with meat. It takes weeks for the crabs to fill out.
Dahlstrom, Walter +4 more
core +6 more sources
When Indian crabs were not yet Asian - biogeographic evidence for Eocene proximity of India and Southeast Asia [PDF]
, 2010 Background: The faunal and floral relationship of northward-drifting India with its neighboring continents is of general biogeographic interest as an important driver of regional biodiversity.
Pfenninger Markus +12 more
core +1 more source
Growth and competitions of the Australian red-claw crayfish, Cherax quadricarinatus (von Martens, 1868) in Thailand: the experimental approaches [PDF]
Aquatic Invasions, 2023 The Australian red-claw crayfish (RCC) Cherax quadricarinatus (von Martens 1868) (Crustacea: Decapoda: Parastacidae) has been introduced and promoted for freshwater aquaculture in many countries including Thailand.
Tuantong Jutagate +2 more
doaj +3 more sources