Superregnum : Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Superclassis/Classis: Actinopterygii
Classis/Subclassis: Actinopteri
Subclassis/Infraclassis: Neopterygii
Infraclassis: Teleostei
Megacohors: Osteoglossocephalai
Supercohors: Clupeocephala
Cohors: Euteleosteomorpha
Subcohors: Neoteleostei
Infracohors: Eurypterygia
Sectio: Ctenosquamata
Subsectio: Acanthomorphata
Divisio/Superordo: Acanthopterygii
Subdivisio: Percomorphaceae
Series: Eupercaria
Ordo: Centrarchiformes
Subordo: Cirrhitoidei
Superfamilia: Cirrhitoidea
Familia: Aplodactylidae
Genus: Aplodactylus
Species: A. arctidens – A. etheridgii – A. lophodon – A. punctatus – A. westralis
Name
Aplodactylus Valenciennes in Cuvier & Valenciennes, 1832
References
Aplodactylus – Taxon details on Integrated Taxonomic Information System (ITIS).
Aplodactylus species list in FishBase,
Froese, R. & Pauly, D. (eds.) 2022. FishBase. World Wide Web electronic publication, www.fishbase.org, version 08/2021.
Eschmeyer, W. N. Catalog of Fishes electronic version
Vernacular names
Aplodactylus is a genus of marine ray-finned fishes, commonly known as marblefishes or sea carps. It is the only genus in the monogeneric family, Aplodactylidae. The fishes in this genus are found in the south eastern Indian Ocean and the southern Pacific Ocean.
Taxonomy
Aplodactylus was described in 1832 by the French zoologist Achille Valenciennes with Aplodactylus punctatus, which Valenciennes described from the type specimen collected from Valparaiso in Chile, as its only species, being the type species by monotypy.[2][3] The family had previously contained two genera with the monospecific Crinodon being recognised as a synonym of Aplodactylus by Barry C. Russell in 2000.[4] The family, Aplodactylidae was created as Haplodactylidae by the German born British ichthyologist Albert Günther in 1859, the Dutch ichthyologist Pieter Bleeker corrected that to its current name later the same year.[1] The family is regarded as part of the superfamily Cirrhitoidea, which is placed within the order Perciformes in the 5th Edition of Fishes of the World,[5] however other authorities place this clade within a new order within the wider Percomorpha, Centrarchiformes.[6] The genus name is a compound of aploe meaning "single" or "simple" and daktylos meaning "finger", a reference to the unbranched lower pectoral fin rays of the type species.[7]
Species
The five currently recognized species in this genus are:[8]
Aplodactylus arctidens J. Richardson, 1839 (marblefish)
Aplodactylus etheridgii (J. D. Ogilby, 1889) (notchheaded marblefish)
Aplodactylus lophodon Günther, 1859 (rock cale)
Aplodactylus punctatus Valenciennes, 1832 (Zamba marblefish)
Aplodactylus westralis B. C. Russell, 1987 (western seacarp)
Characteristics
Aplodactylus species are characterised by a relatively long, deep and compressed body ending in a small, blunt head. They have a small mouth, which is placed just below the short snout, with a thick upper lip.[9] They have a long dorsal fin with a deep incision between the spiny and soft rayed portions. The anal fin is short based and triangular in shape while the pectoral fins are large and have a rounded shape,[10] and their lower fin rays are not joined by membranes and are robust. The pelvic fins are located quirte far to the rear of the base of the pectoral fins.[9] They have small scales which are embedded in their skin and which extend onto the cheeks, as well as forming a scaly sheath at the base of the dorsal fin.[10] The dorsal fins have 14-23 spines and 16-21 soft rays while the anal fin has 6-8 soft rays. They have vomerine teeth and the teeth in the jaws vary in shape and can be incisor-like, sharply pointed or tricuspid.[6] They vary in size from a total length of 34.7 cm (13.7 in) in the Western seacarp to 65 cm (26 in) in the marblefish.[8]
Distribution and habitat
Aplodactylus is found in the south eastern Indian Ocean off Western Australia and in the southern Pacific Ocean off Australia, New Zealand and eastern South America.[5] These are fishes of shallow inshore waters, typically on rocky coastlines.[8]
Biology
Apolidactylus fishes are herbivorous and feed on algae. The species may be sociable and from aggregations[11] or they can be solitary and territorial.[12]
References
Richard van der Laan; William N. Eschmeyer & Ronald Fricke (2014). "Family-group names of Recent fishes". Zootaxa. 3882 (2): 001–230. Retrieved 24 July 2021.
Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Genera in the family Aplodactylidae". Catalog of Fishes. California Academy of Sciences. Retrieved 26 July 2021.
Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Aplodactylus". Catalog of Fishes. California Academy of Sciences. Retrieved 26 July 2021.
Barry C. Russell (2000). "Review of the southern temperate fish family Aplodactylidae (Pisces: Perciformes)". Journal of Natural History. 34 (11): 2157–2171. doi:10.1080/002229300750022385.
J. S. Nelson; T. C. Grande; M. V. H. Wilson (2016). Fishes of the World (5th ed.). Wiley. p. 460. ISBN 978-1-118-34233-6.
Froese, Rainer, and Daniel Pauly, eds. (2021). "Aplodactylidae" in FishBase. June 2021 version.
Christopher Scharpf & Kenneth J. Lazara, eds. (25 February 2021). "Order CENTRARCHIFORMES: Families CENTRARCHIDAE, ELASSOMATIDAE, ENOPLOSIDAE, SINIPERCIDAE, APLODACTYLIDAE, CHEILODACTYLIDAE, CHIRONEMIDAE, CIRRHITIDAE, LATRIDAE, PERCICHTHYIDAE, DICHISTIIDAE, GIRELLIDAE, KUHLIIDAE, KYPHOSIDAE, OPLEGNATHIDAE, TERAPONTIDAE, MICROCANTHIDAE and SCORPIDIDAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 26 July 2021.
Froese, Rainer and Pauly, Daniel, eds. (2021). Species of Aplodactylus in FishBase. June 2021 version.
Dianne J. Bray. "Marblefishes, APLODACTYLIDAE". Fishes of Australia. Museums Victoria. Retrieved 26 July 2021.
McMillan, P.J.; Francis, M.P.; Paul, L.J.; et al. (2011). New Zealand fishes. Volume 2: A field guide to less common species caught by bottom and midwater fishing. New Zealand Aquatic Environment and Biodiversity Report. Vol. 78. p. 27.
Froese, Rainer; Pauly, Daniel (eds.) (2021). "Aplodactylus lophodon" in FishBase. June 2021 version.
McMillan, P.J.; Francis, M.P.; Paul, L.J.; et al. (2011). New Zealand fishes. Volume 2: A field guide to less common species caught by bottom and midwater fishing. New Zealand Aquatic Environment and Biodiversity Report. Vol. 78. p. 129.
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