widely distributed european species fairy shrimp lives far north great_britain surviving species fairy shrimp protected translucent animal long tips abdomen body comprises head bearing pairs seven abdomen males antennae enlarged form frontal females egg end life cycle extremely fast species persist pools predators eggs tolerate drying hatch immersed water reported scientific literature separated species given scientific specific epithet refers animal transparency description beautiful translucent body inches long transparent black eyes red tips abdomen body wider head conspicuous groove bears pair compound eyes median eye pairs antennae comprise directed backwards mouth pairs body segments fused segment abdomen free segments bears pair series pointing animal abdomen consists seven segments slender bears pair caudal males females recognised suite sexually characters antennae females triangular relatively short males antennae long bears complex frontal female mating fused abdomen males bears pair processes extensions females single egg thought derive pair distribution mediterranean species reaches north western limit great_britain missing distribution western_europe extends continuously great_britain far east rhine germany single occurrence known countries pools netherlands east occurs south balkan reaching black_sea romania isolated population exists mouth river poland mediterranean_sea populations exist sicily crete species fairy shrimp occur naturally great_britain found western ireland occurred england great_britain restricted areas deficit precipitation april september means found frequently southern england scattered records far north yorkshire ecology life cycle fairy shrimp found temporary pools water seasonal ponds muddy preferring sites regular disturbance passing livestock broad range ecological terms temperature dissolved oxygen predatory fish ventral upwards filter collecting life cycle extremely fast typical duration life cycle known figure months suggested eggs tolerant drying habitat fills water eggs hatch remain dormant enables species continue survive unpredictable habitat eggs remain case habitat persist long animals mate produce offspring dispersal bodies water occur movements animals cattle deer horses conservation status subject protection environmental law parts range germany included endangered species united_kingdom protected schedule listed species conservation concern main threat survival changes land use habitats considered temporary pools inhabits frequently filled converted permanent ponds taxonomic history mention species scientific literature sketch volume named tiny freshwater swimming confusion species early literature unclear species early authors referring having described fairy shrimp possible insect fauna described crustaceans 10th edition cancer later authors referring species situation clarified published detailed description including mention frontal distinguish fairy shrimp work originally published reprinted appendix des derives greek roots hand head specific epithet derives greek meaning transparent later regretted epithet arguing species transparent described common fairy shrimp comes animal delicate appearance
Chirocephalus diaphanus