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Distribution and control status of the invasive signal crayfish (Pacifastacus leniusculus) in Japan
Invasive Alien Species Act signal crayfish
2009/4/1
On 1 February 2006, the American signal crayfish Pacifastacus leniusculus together with another American crayfish (Orconectes rusticus), Cherax (native to Australasia) and Astacus (native to Europe) w...
Influence of Visible Implant Fluorescent Elastomer (VIE) Tagging on Growth, Molting and Survival of the Eastern White River Crayfish, Procambarus acutus acutus (Girard, 1852)
Crayfish growth molting survival
2010/3/26
Tag retention, growth, molting, and survival of crayfish, Procambarus acutus acutus, 35-37 mm in total length were evaluated between tagged and untagged groups. There were no significant differences i...
Some Biological Characteristics of Crayfish (Astacus leptodactylus Eschscholtz, 1823) in Lake Eğirdir
Lake Eğ irdir crayfish Astacus leptodactylus population structure reproduction
2010/3/29
This study was conducted in Lake Eğirdir in 2001 and 2002, to investigate some biological characteristics, i.e. sex and length compositions, length-weight relationship and reproduction, of the cr...
The Relationships between Length-Weight, and Meat Yield of Freshwater Crayfish, Astacus leptodactylus Eschscholtz, in the Ağın Region of Keban Dam Lake
crayfish Astacus leptodactylus length-weight meat yield allometric growth
2010/4/1
The relationships between length-weight, and meat yield of freshwater crayfish, Astacus leptodactylus, in the Ağın Region of Keban Dam Lake, were investigated. In both sexes a linear relatio...
The efficiency of the Swedish trappy in catching freshwater crayfish Pacifastacus leniusculus and Astacus leptodactylus
Crayfish Pacifastacus leniusculus Astacus leptodactylus trapping swedish trappy
2010/3/31
The efficiency of the Swedish trappy in catching Pacifastacus leniusculus and Astacus leptodactylus was studied. The results showed that the Swedish trappy was very effective at catching both P. leniu...
The First Record of Epistylis niagaraeon Astacus leptodactylusin a Crayfish Rearing Unit, Cip
Astacus leptodactylus Epistylis niagarae ectocommensal
2010/3/31
In this study, the presence of the ectocommensal Epistylis niagarae on the carapace, abdomen, walking legs, uropod, telson, antennae and antennulae of crayfish was observed.