Two new species of the caridean genus Nematocarcinus A. Milne-Edwards, 1881 are reported from deep-sea hydrothermal vents on the East Pacific Rise. Nematocarcinus burukovskyi n. sp. is provisionally assigned to Nematocarcinus , but is clearly distinguished

Distribution and abundance of the deep-water shrimps Nematocarcinus occurring off western Mexico were analysed. One or two species were captured in 33% of the samples obtained between 122 and 2340 m depth. The first species, Nematocarcinus faxoni, was

Distribution and abundance of the deep-water shrimps Nematocarcinus occurring off western Mexico were analysed. One or two species were captured in 33% of the samples obtained between 122 and 2340 m depth. The first species, Nematocarcinus faxoni, was

The disto-ventral organ of the 6th abdominal segment was found for the first time, and in was a cause to redescribe shrimps of the genus Nematocarcinus. The diagnosis of the species N. nudirostris, described previously by the author, was corrected and

During two scientific expeditions in the South China Sea and the Kyushu-Palau Ridge area, several specimens of thread-leg shrimp were collected from deep waters. Amongst them, three species, Nematocarcinus evansi Burukovsky, 2000, N. exilis (Spence