Results 61 to 70 of about 593 (192)
Molt and gastroliths in Austropotamobius pallipes (Lereboullet, 1858) [PDF]
Knowledge and Management of Aquatic Ecosystems, 2009 Knowledge of the molting cycle in crayfish may contribute (1) to improving a population analysis for monitoring and conservation purposes and (2) to imposing significant constraints on practices involved in culture.
M. Scalici, G. Gibertini
doaj
Age, growth, and trophic ecology of the Redeye Bass, an alien invader of California rivers
Transactions of the American Fisheries Society, Volume 153, Issue 5, Page 559-575, September 2024.Abstract Objective The Redeye Bass Micropterus coosae is a piscivore introduced into California, which has become a threat to the state's endemic freshwater fishes. It has eliminated native fishes from the middle reaches of the Cosumnes River, our study stream, which is the largest stream without a major dam on its main stem in the Sacramento–San ...
Beth Chasnoff +3 more
wiley +1 more source
, 2015 Fig. 1. Locations of samples of four crayfish species in Ukraine.Published as part of Mezhzherin, S. V., Kostyuk, V. S., Garbar, A. V., Zhalai, E. I . & Kutishchev, P. S., 2015, The Thick-Clawed Crayfish, Astacus Pachypus (Crustacea, Decapoda, Astacidae),
Zhalai, E. I . +4 more
core +1 more source
, 2010 KEY TO THE CRAYFISH OF ASTACIDAE FOUND IN BULGARIA 1 ‒ Area behind cervical groove smooth, cervical spines absent (Fig. 1a), rostral borders triangle (Fig. 1b), chelae surface granulation very big (Fig. 1c), under side dirty white or reddish (Fig. 1d).
openaire +2 more sources
Natural History SciencesIn this work, we report the results of some movies regarding the predation of N. milleri on A. pallipes. It was a useful opportunity to observe some behavioral strategies. Skillful maneuvers by N.
Fabio Ballanti, Armando Nappi
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Cheliped loss and abnormalities of the narrow-clawed crayfish, Pontastacus leptodactylus (Eschscholtz, 1823) (Crustacea: Decapoda: Astacidae) [PDF]
NaupliusHeterochely is an important phenomenon in decapod crustaceans. Nevertheless, it was rarely examined in freshwater crayfish. Therefore, the aim of this study was to investigate cheliped loss and abnormalities of the narrow-clawed crayfish, Pontastacus ...
Selçuk Berber +2 more
doaj +1 more source
Tail Fan Necrosis syndrome in decapod crustaceans: A review
Journal of Fish Diseases, Volume 47, Issue 5, May 2024.Abstract Lobsters and crayfish in Australasia can develop a condition known as Tail Fan Necrosis (TFN syndrome). Many attempts have been made to find a primary pathogen or link the syndrome to commercial activities, but a solution remains elusive. TFN syndrome is a ‘wicked problem’, a problem difficult or impossible to solve because of incomplete and ...
John Brian Jones +2 more
wiley +1 more source
, 2010 The catalogue of the freshwater crayfish (Crustacea: Decapoda: Astacidae) from Romania preserved in "Grigore Antipa" National Museum of Natural History of Bucharest The largest collection of freshwater crayfish of Romania is preserved in "Grigore
Iorgu Petrescu, Ana-Maria Petrescu
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, 1974 A study of taxonomy and peculiarities in distribution of the most frequent genus Astacus (Pontastacus) leptodactylus Eschscholtz, 1823 and its smaller taxons as well as an analysis of the literature data testify to the fact that in nature the areas of ...
Бродский, С.Я.
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Knowledge and Management of Aquatic Ecosystems, 2011 Austropotamobius torrentium (Schrank, 1803), the smallest species of freshwater crayfish from the family Astacidae, is considered a vulnerable species, protected by international laws.
Maguire I., Klobučar G.
doaj +1 more source