Endemic Hydrothermal Species Anisopes heteroscella (Ammotheidae, Pycnogonida) in the Northern Part of the Atlantic Ocean

Abstract

Expeditions of R/V «Akademik Mstislav Keldysh» and R/V «Pourquoi Pas» were collected 61 specimens of endemic hydrothermal species Anisopes heteroscella (Child, Segonzac, 1996). The specimens were collected at the six hydrothermal vents. In result the geographical range of this species on Mid-Atlantic Ridge became known as more full: along hydrothermal zone of Mid-Atlantic Ridge from 12° to 37° N, at the depths 845-4087 m. Female of A. heteroscella is described.

Keywords

• sea spiders
• fauna of hydrothermal vents
• geographical range
• morphological characteristics