Vernal pool fairy shrimp are listed as a vulnerable species on the IUCN Red List, and has been listed as Federally Threatened species since 1994.
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Vernal pools _ puddles that form and linger after rain _ are the habitat for many rare species of flora and fauna, such as fairy shrimp.
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There are several vernal pools in this area that are home to such invertebrate species as tadpole shrimp, clam shrimp and the endangered conservancy fairy shrimp.
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The farmers believe the government meddles too much, coddling endangered species like the kangaroo rats burrowing in the soil and the fairy shrimp floating in puddles.
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The fairy shrimp are among eight shrimp species listed by either the state or federal governments as threatened or endangered; in other words, facing possible extinction.
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A 1998 comparison of the characteristics of pools used by the eight branchiopod species endemic to Northern California found that midvalley fairy shrimp used the shallowest pools.
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The fairy shrimp cysts hatch in the water, grow to about the size of a fingernail, lay their eggs and then die when the pools dry up.
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In addition to direct habitat loss, California fairy shrimp populations have declined because of a variety of activities that render existing vernal pools unsuitable for the species.
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It is less clear, however, to what extent previous listing actions and other regulatory mechanisms may reduce that threat in the case of the midvalley fairy shrimp.
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Depoian said the shrimp cyst-filled earth could be moved to other fairy shrimp preserves, of which there are about a half dozen in neighboring Riverside and Orange counties.
