It has four legs that are segmented three times, along with a curved claw on its right side near its head, and a much shorter exopodite limb on its left.
Said claw contains small spines on the inside, a trait shared with species such as Karukinka fueguina and Hemiboeckella searli.
[13] Being part of a lake system, the species habitat is subjected to water flows from nearby creeks, as well as freshwater runoff from other local estuaries.
Said sediments are a mixture of sand, silt and nutrient dense soils, caused by runoff from nearby estuary drains.
However, due to nearby residents concerned with flooding, creeks and other estuaries flowing into Lake Powell would be blocked, and water would be let in manually.
It is theorised that this occurred when water levels started to recede during the Cretaceous period, leaving behind estuaries filled with unique copepod species.
As a freshwater zooplankton that is a part of the calanoida order, H.powellensis most likely feeds on the abundant phytoplankton present in Lake Powell.
[20] Some of its potential prey include Nodularia spumigena, Anabaena circinalis and Microcystis aeruginosa, since they are very abundant in Lake Powell.
The antennules on its face are typically used to find members of its species, or to locate and avoid predators.
The poor water quality of the lake is of concern, but stakeholders have been making efforts to improve H.powellensis's habitat.
[32] The three species are all very similar, but can be differentiated by claw size, limb length and number of exoskeleton segments.