Aplodactylus

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Genus of ray-finned fishes

title: "Aplodactylus" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["aplodactylidae", "taxa-named-by-albert-günther"] description: "Genus of ray-finned fishes" topic_path: "general/aplodactylidae" source: "https://en.wikipedia.org/wiki/Aplodactylus" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Genus of ray-finned fishes ::

| name = Marblefish or Aplodactylus | image = Aplodactylus punctatus.jpg | image_caption = Aplodactylus punctatus | parent_authority = Günther, 1859 | taxon = Aplodactylus | authority = Valenciennes, 1832 | type_species = Aplodactylus punctatus | type_species_authority = Valenciennes, 1832 | display_parents = 2 | synonyms = * Crinodus Gill, 1862

  • Dactylosargus Gill, 1862
  • Haplodactylus Agassiz, 1846
  • Parhaplodactylus Thominot, 1883 | synonyms_ref =

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. The family had previously contained two genera with the monospecific Crinodon being recognised as a synonym of Aplodactylus by Barry C. Russell in 2000. 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. however other authorities place this clade within a new order within the wider Percomorpha, Centrarchiformes. 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.

Species

The five currently recognized species in this genus are:

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. 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, 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. They vary in size from a total length of 34.7 cm in the Western seacarp to 65 cm in the marblefish.

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. These are fishes of shallow inshore waters, typically on rocky coastlines.

Biology

Apolidactylus fishes are herbivorous and feed on algae. The species may be sociable and from aggregations or they can be solitary and territorial.

References

References

  1. (2014). "Family-group names of Recent fishes". Zootaxa.
  2. {{Cof family
  3. {{Cof genus | genus = Aplodactylus | access-date = 26 July 2021}}
  4. Barry C. Russell. (2000). "Review of the southern temperate fish family Aplodactylidae (Pisces: Perciformes)". Journal of Natural History.
  5. (2016). "Fishes of the World". Wiley.
  6. {{FishBase family. (2021)
  7. (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". Christopher Scharpf and Kenneth J. Lazara.
  8. {{FishBase genus. (2021)
  9. Dianne J. Bray. "Marblefishes, APLODACTYLIDAE". Museums Victoria.
  10. (2011). "New Zealand fishes. Volume 2: A field guide to less common species caught by bottom and midwater fishing".
  11. {{FishBase. Aplodactylus. lophodon. (2021)
  12. (2011). "New Zealand fishes. Volume 2: A field guide to less common species caught by bottom and midwater fishing".

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