Hyperia

Latreille, 1823

Hyperia is a of amphipod crustaceans in the Hyperiidae, established by Latreille in 1823. Members of this genus are known for their parasitic or commensal associations with gelatinous zooplankton, particularly jellyfish (Cnidaria). The genus includes such as Hyperia medusarum, which has been documented as a of scyphozoan and hydrozoan medusae in the southeastern Atlantic Ocean.

Pronunciation

How to pronounce Hyperia: /haɪˈpɪəriə/

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Identification

Hyperia are distinguished from other hyperiid amphipods by their association with jellyfish and their morphological adaptations for this lifestyle. Specific diagnostic features for the require examination of appendage structure and body proportions relative to other Hyperiidae genera such as Hyperiella or Lestrigonus.

Habitat

Marine pelagic environments; specifically associated with jellyfish in open ocean waters.

Distribution

Documented from the southeastern Atlantic Ocean off Namibia; broader distribution likely corresponds to ranges of jellyfish .

Host Associations

  • Chrysaora hysoscella - Scyphozoan jellyfish
  • Aequorea aequorea - Hydromedusa
  • Phacellophora camtschatica - Scyphozoan jellyfish

Behavior

Parasitic or commensal lifestyle on gelatinous zooplankton; specifically documented as ectosymbiotic on jellyfish medusae.

Ecological Role

of jellyfish; trophic relationships with suggest potential impact on host and energy transfer in pelagic .

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