Pomacanthus zonipectus

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Pomacanthus zonipectus
Pomacanthus zonipectus.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Pomacanthidae
Genus: Pomacanthus
Species:
P. zonipectus
Binomial name
Pomacanthus zonipectus
(T. N. Gill, 1862)
Synonyms [2]

Pomacanthodes zonipectusGill, 1862

Pomacanthus zonipectus, the Cortez angelfish, is a species of marine ray-finned fish, a marine angelfish belonging to the family Pomacanthidae. It is from the Eastern Pacific. It occasionally makes its way into the aquarium trade.

Contents

Description

Pomacanthus zonipectus has a deep, compressed body with a short, blunt snout with a small mouth which has numerous small bristle-like teeth. It’s preoperculum has a large spine at its corner and a smooth vertical edge, while the area beneath the eye and the operculum have no spines. [3] Like other members of the genus Pomacanthus , has juveniles and adults which look quite different. The adults have the posterior half of the body covered by a matrix of crisscrossing lines, becoming yellowish-green in the tail. There is a large yellow arc to the rear of the pectoral fins and a bright yellow saddle across the nape. [4] There is a pale grey section in the middle of the flanks. The juveniles have a brownish black background colour broken by 6 vertical vivid yellow bands that start on the face and finish at the caudal peduncle, [5] between the yellow bars there are parallel blue bars. [3] The dorsal and pelvic fins have bright blue margins. [5] This species can reach a total body length of about 46 cm (18 in). [2] These angelfishes have 11 spines and 24-25 soft rays in the dorsal fin and 3 spines and 20-22 soft rays in the anal fin. [3]

Distribution

Pomacanthus zonipectus occurs in the eastern Pacific Ocean from Puerto Peñasco, in the northern Gulf of California of Mexico south to Peru. It has been recorded as a vagrant from southern California, the Galapagos Islands, Cocos Island and Malpelo Island, although it has not been reported from Clipperton Island. [1]

Habitat and biology

Pomacanthus zonipectus is found between depths of 6 and 50 m (20 and 164 ft). [1] This species is diurnal, it feeds on food items taken from the substrate, mainly sponges but including tunicates, algae, bryozoans, hydroids and the eggs of fish. The adults are found in pairs which range widely over therefore while the solitary juveniles are territorial. Spawning happens from midsummer to early autumn and the juveniles are most abundant from August up to November. They appear to be monogamous. [2] Juveniles are also found in tidal pools. [1]

Systematics

Pomacanthus zonipectus was first formally described as Pomacanthodes zonipectus in 1862 by the American ichthyologist Theodore Nicholas Gill (1837–1914) with the type locality given as San Salvador in El Salvador. [6] Some authorities place this species in the subgenus Pomacanthus. The specific name zonipectus is a compound of zona meaning “belt” and pectus meaning “breast”, a reference to the dark-brown girdle on the breast to the rear of the pelvic and pectoral fins. [7]

Utilisation

Pomacanthus zonipectus occasionally appears in the aquarium trade. [1]

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References

  1. 1 2 3 4 5 Pyle, R.; Allen, G.R.; Myers, R.F.; Zapata, F.; Barraza, E.; Robertson, R.; Rocha, L.A.; Craig, M.T. (2010). "Pomacanthus zonipectus". IUCN Red List of Threatened Species . 2010: e.T165889A6158436. doi: 10.2305/IUCN.UK.2010-4.RLTS.T165889A6158436.en . Retrieved 20 November 2021.
  2. 1 2 3 Froese, Rainer; Pauly, Daniel (eds.) (2019). "Pomacanthus zonipectus" in FishBase. December 2019 version.
  3. 1 2 3 "Species: Pomacanthus zonipectus, Cortez angelfish". Shorefishes of the Eastern Pacific online information system. Smithsonian Tropical Research Institute. Retrieved 6 March 2021.
  4. ↑ Jake Adams (30 September 2016). "Who Knew that a Cortez Angelfish Could Be This Attractive". reef builders.com.
  5. 1 2 "Pomacanthus zonipectus". Saltcorner!. Bob Goemans. 2012. Retrieved 6 March 2021.
  6. ↑ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Pomacanthus". Catalog of Fishes . California Academy of Sciences . Retrieved 6 March 2021.
  7. ↑ Christopher Scharpf & Kenneth J. Lazara (21 July 2020). "Order ACANTHURIFORMES (part 1): Families LOBOTIDAE, POMACANTHIDAE, DREPANEIDAE and CHAETODONTIDAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 6 March 2021.
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