Gymnothorax tile lives in marine conditions but travels to freshwater for breeding and spawning.

These environments differ from marine conditions in many ways, the most obvious being the difference in levels of salinity.

Investigations have ranged from monitoring the Sun's behavior, to analyzing marine atmospheric conditions, to measuring parameters of the deep oceans.

Deposition occurs in relatively shallow marine conditions under transgressing seas.

A pelagic fauna at the top suggests open marine conditions.

The Middle Albian witnessed a major facies change to deep marine conditions.

Tropical marine conditions continued to persist into the Silurian.

A few species are able to tolerate saline, brackish, or marine conditions.

Pennsylvanian New Mexico experienced both marine and terrestrial conditions over time.

It was a development of the peaked cap in application to marine conditions.