Geometric moray

Geometric moray
An individual from Egypt (Red Sea)
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Anguilliformes
Family: Muraenidae
Genus: Gymnothorax
Species:
G. griseus
Binomial name
Gymnothorax griseus
(Lacépède, 1803)
Synonyms

Siderea grisea

The geometric moray (Gymnothorax griseus)[2][3] is a moray eel of the family Muraenidae[4][5][6] found throughout the western Indian Ocean at depths to 40 m. Its length is up to 65 cm.[7] It is parasitized by Ichthyoxenus puhi, a species of isopod.[8][9]

The fish is generally pale purple, white or brownish in colour, with a greyish head with distinct lines of black dots.[4][7]

Taxonomy

The geometric moray is a species of moray. The moray family (Muraenidae) is divided into two subfamilies: the snakemorays (subfamily:Uropterygiinae) and the typical morays (subfamily:Muraeninae). This species is classified within the latter due to having a dorsal fin in parts of the body where they wouldn't be in snakemorays. Within the subfamily, G. griseus is classified within the genus Gymnothorax, which contains over half of the species in the family.

Relatives

Full body view of a peppered moray in the Red Sea (Egypt)

This species' closest relative is the white-eyed moray (Gymnothorax thyrsoideus),[10] which shares the common feature of white eyes; and also is not found in most places that G. griseus is in. The next closest relative to these two is Castle's moray (Gymnothorax castlei), which shares features with this species, such as having an almost identical pattern of spots, and having dots on the lateral line (griseus sometimes has the latter feature).[11] More distant relatives include the False and Arabian false brown morays (Gymnothorax pseudoherrei & G. arabicus, respectively) and the Mottled moray (Echidna delicauta).[12]

References

  1. ^ Smith, D.G.; McCosker, J.; Tighe, K. (2019). "Gymnothorax griseus". IUCN Red List of Threatened Species. 2019 e.T195734A2410053. doi:10.2305/IUCN.UK.2019-1.RLTS.T195734A2410053.en.
  2. ^ Debelius, Helmut (2001). Red Sea reef guide. p. 15.
  3. ^ Lieske, Ewald; Myers, Robert (2004). Coral reef guide. Red Sea. p. 39.
  4. ^ a b Froese, Rainer; Pauly, Daniel (eds.). "Gymnothorax griseus". FishBase. June 2006 version.
  5. ^ Geometric Moray - Gymnothorax griseus - Overview - Encyclopedia of Life
  6. ^ "Gymnothorax griseus (Lacepède, 1803)". WoRMS. World Register of Marine Species.
  7. ^ a b Sutton, Alan (2017-04-08). "Geometric Moray Eel-Facts and Photographs". Seaunseen. Retrieved 2022-12-17.
  8. ^ "Ichthyoxenus puhi (Bowman, 1962)". Global Biodiversity Information Facility. Retrieved 2022-12-17.
  9. ^ Martin, M. B.; Bruce, N. L.; Nowak, B. F. (2014-01-01). "Redescription of Ichthyoxenus puhi (Bowman, 1962) (Isopoda, Cymothoidae), parasite of the moray eel Gymnothorax griseus (Lacépède, 1803) from Mauritius". Crustaceana. 87 (6): 654–665. Bibcode:2014Crust..87..654M. doi:10.1163/15685403-00003315.
  10. ^ Smith, David G.; Bogorodsky, Sergey V.; Mal, Ahmad O.; Alpermann, Tilman J. (2019-12-05). "Review of the moray eels (Anguilliformes: Muraenidae) of the Red Sea, with description of a new species". Zootaxa. 4704 (1): 1–87. doi:10.11646/zootaxa.4704.1.1. ISSN 1175-5334.
  11. ^ Bohlke, E. B., & Randall, J. E. (1999). Gymnothorax castlei, a new species of Indo-Pacific moray eel (Anguilliformes: Muraenidae). Raffles Bulletin of Zoology, 47(2), 549-554.
  12. ^ Smith, David G.; Bogorodsky, Sergey V.; Dandar, James; Zajonz, Uwe (2024-07-10). "A new species of short unpatterned moray eel (Anguilliformes: Muraenidae) from the northwestern Indian Ocean, including the Socotra Archipelago, with a redescription of Gymnothorax pseudoherrei Böhlke". Zootaxa. 5477 (4): 465–474. doi:10.11646/zootaxa.5477.4.4. ISSN 1175-5334. PMID 39646069.
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