Stenopus pyrsonotus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Malacostraca
Order: Decapoda
Suborder: Pleocyemata
Family: Stenopodidae
Genus: Stenopus
Species:
S. pyrsonotus
Binomial name
Stenopus pyrsonotus
Goy & Devaney, 1980[1]

Stenopus pyrsonotus is a shrimp-like decapod crustacean belonging to the infraorder Stenopodidea, native to the Indo-West Pacific region.[1] Common names include flameback coral shrimp,[2] ghost boxing shrimp and cave shrimp; the species is sometimes kept in reef aquariums.[3]

Description

Stenopus pyrsonotus is a fairly large stenopodidean shrimp, varying in length from about 30 to 70 mm (1.2 to 2.8 in). It has a slender compressed body covered with short blunt spines. The chelae are long and narrow, the cutting edge having several blunt, peg-like teeth. The rostrum, eyestalk and carapace are pinkish-white, while the third maxillipeds, and the coxa, basis, ischia and mer joints of the pereiopods are translucent pink. The long antennules and the other appendages are white, and the abdomen is white apart from a broad longitudinal red stripe on the dorsal surface. The telson is white while the uropods are pink.[4][5]

Distribution and habitat

Stenopus pyrsonotus occurs in the tropical Indo-West Pacific region, where it has been found in the Hawaiian archipelago and Mauritius. It is a benthic, cryptic species, and is found in coral reef systems, typically in crevices, in caves and under overhangs.[4] It occurs at depths down to about 130 m (430 ft).[2]

Ecology

Shrimps in this family are usually found in pairs and display elaborate courtship rituals.[5] Several specimens of Stenopus pyrsonotus were found in close proximity to a yellow-edged moray eel (Gymnothorax flavimarginatus), and it may be that this shrimp enters into a cleaning symbiosis with certain fish, as do several other members of its genus; this theory is supported by the showy white antennules and pincers, with which it may signal its availability.[4]

References

  1. 1 2 De Grave, Sammy (2020). "Stenopus pyrsonotus Goy & Devaney, 1980". WoRMS. World Register of Marine Species. Retrieved 3 January 2021.
  2. 1 2 "Stenopus pyrsonotus Goy & Devaney, 1980". Sealifebase. Retrieved 4 January 2021.
  3. ↑ Goemans, Bob (2012). "Stenopus pyrsonotus". Saltcorner. Retrieved 4 January 2021.
  4. 1 2 3 Goy, Joseph W.; Devaney, Dennis M. (1980). "Stenopus pyrsonotus a new species of stenopodidean shrimp from the Indo-West Pacific region" (PDF). Proceedings of the Biological Society of Washington. 93 (3): 781–796.
  5. 1 2 Poore, Gary C.B.; Ahyong, Shane T. (2004). "Stenopodidea – coral shrimps and venus shrimps". Marine Decapod Crustacea of Southern Australia: a Guide to Identification. CSIRO Publishing. pp. 148–149. ISBN 978-0-643-06906-0.
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