Streptocephalus sealii
Ryder, 1879
spiny-tail fairy shrimp, spinytail fairy shrimp
Streptocephalus sealii is a of fairy shrimp (Order Anostraca) in the Streptocephalidae. It is commonly known as the spiny-tail or spinytail fairy shrimp. The species is distributed across North America and Central America. Two are recognized: S. s. sealii and S. s. coloradensis.
Pronunciation
How to pronounce Streptocephalus sealii: /strɛptoʊˈsɛfələs ˈsiːəlaɪ/
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Identification
May be distinguished from other Streptocephalus by the presence of spines on the (tail), which gives the species its . The two recognized , S. s. sealii and S. s. coloradensis, may show geographic and morphological differentiation.
Images
Habitat
Temporary pools and vernal pools; like other anostracans, requires aquatic that undergo periodic drying.
Distribution
North America and Central America. Records indicate presence in Middle America and North America.
Life Cycle
As a member of Order Anostraca, has a adapted to temporary waters: undergo () during dry periods and hatch when pools refill. Specific details for this are not documented.
Similar Taxa
- Other Streptocephalus speciesLack of spines on the ; S. sealii is distinguished by this characteristic feature.
More Details
Subspecies
Two are recognized: Streptocephalus sealii sealii Ryder, 1879 and Streptocephalus sealii coloradensis Ryder. The latter was described from Colorado.