Haliclystus sanjuanensis

Haliclystus sanjuanensis is a species of small (~4 cm) stalked jellyfish found in the Pacific Ocean along the west coast of North America. This species can be found in shallow waters at low tide on soft substrates such as seagrass (Phyllospadix). A variety of colour morphs can be found ranging from yellow-green to red.^[2] Haliclystus sanjuanensis was formally described as a distinct species in 2023,^[1] following sequence data establishing it as a distinct taxon.^[3]

Haliclystus sanjuanensis
Haliclystus sanjuanensis
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Cnidaria
Class:	Staurozoa
Order:	Stauromedusae
Family:	Haliclystidae
Genus:	Haliclystus
Species:	H. sanjuanensis
Binomial name
Haliclystus sanjuanensis Mills, Westlake, Hirano, & Miranda (2023)[1]

Gallery

Colour morphs of Haliclystus sanjuanensis:

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  Green
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  Green-orange
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  Orange
• 
  Red
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  Juvenile H. sanjuanensis with peach colouring
• 
  Juvenile H. sanjuanensis with peach colouring

References

1. Mills, Claudia E.; Westlake, Hannah; Hirano, Yayoi M.; Miranda, Lucília S. (2023-09-18). "Description of a common stauromedusa on the Pacific Coast of the United States and Canada, Haliclystus sanjuanensis new species (Cnidaria: Staurozoa)". PeerJ. 11: e15944. doi:10.7717/peerj.15944. ISSN 2167-8359. PMC 10512941.
2. Westlake, HE (2015). A Comparative Immunohistochemical Study of the Neuromuscular Organization of Haliclystus 'sanjuanensis' and Manania handi (Cnidaria: Staurozoa). University of Victoria (thesis) (Thesis).
3. Miranda, Lucília S.; Hirano, Yayoi M.; Mills, Claudia E.; Falconer, Audrey; Fenwick, David; Marques, Antonio C.; Collins, Allen G. (2016). "Systematics of stalked jellyfishes (Cnidaria: Staurozoa)". PeerJ. 4: e1951. doi:10.7717/peerj.1951. PMC 4860332. PMID 27168970.