There is nothing gradual about a deep-sea migration, and boundaries are intrinsically sharp when speech communities are separated by large stretches of ocean.
The lateral surface of this bone is not ornamented by the deep pits and rugosities typical of other deep-sea hatchetfishes.
It was reported that this was the first time that members of this genus have been detected in deep-sea vents.
Ice-core and deep-sea sedimentary records are reviewed from the polar regions to the tropics.
Effects of sedimentary sorting on neodymium isotopes in deep-sea turbidites.
Significantly, however, the collection and analysis of parasitological data from deep-sea vents is of significance well beyond that of the field of parasitology.
The analysis of the deep-sea mining regime, however, provides some evidence for them.
Finally, they may be related to the life history of some deep-sea fish species.
