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Blue Hawaiian grouper

Grammatonotus laysanus Gilbert, 1905

Source-backed taxonomic record

Accepted species in Catalogue of Life’s 11 September 2026 base release. This preserves the source classification and available supporting data; it is not a completed species monograph.

Grammatonotus laysanus

Grammatonotus laysanus

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Open encyclopedia reference

Grammatonotus laysanus, the purple groppo, is a species of marine ray-finned fish belonging to the family Callanthiidae, the groppos and splendid perches. This fish is found in the Pacific Ocean.

Wikipedia contributors, Grammatonotus laysanus; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T09:35:24.355800+00:00. This reference remains separate from the taxonomic record.

Identity & source status

Scientific name
Grammatonotus laysanus Gilbert, 1905
Name authority
Gilbert, 1905
Common name
Blue Hawaiian grouper
Rank
species
Accepted status
accepted
Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Family
Callanthiidae
Genus
Grammatonotus
Extinction status
Not supplied by this source

Source habitat flags: Marine: yes · Freshwater: no · Terrestrial: no. These do not form a complete habitat description.

Classification family tree

Nested taxonomic groups from the source. This is not a direct-ancestor chain, a dated evolutionary tree or a phylogenetic reconstruction.

  1. domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
  2. kingdomAnimalia
  3. phylumChordata
  4. subphylumVertebrata
  5. infraphylumGnathostomata
  6. parvphylumOsteichthyes
  7. gigaclassActinopterygii
  8. superclassActinopteri
  9. classTeleostei
  10. familyCallanthiidae Ogilby, 1899
  11. genusGrammatonotus Gilbert, 1905
  12. speciesGrammatonotus laysanus Gilbert, 1905

Close classified relatives

These entries share the source’s genus, Grammatonotus. They are not necessarily the closest relatives established by molecular evidence.

SpeciesClassificationSource status
Batangas groppoGrammatonotus brianne Anderson, Greene & Rocha, 2016CallanthiidaeChordataAccepted speciesRecorded extant
Grammatonotus crosnieri (Fourmanoir, 1981)CallanthiidaeChordataAccepted speciesExtinction status not supplied
Grammatonotus macrophthalmus Katayama, Yamamoto & Yamakawa, 1982CallanthiidaeChordataAccepted speciesExtinction status not supplied
Grammatonotus pelipel Anderson & Johnson, 2017CallanthiidaeChordataAccepted speciesExtinction status not supplied
Grammatonotus bianchi Lisher, Thein & Psomadakis, 2021CallanthiidaeChordataAccepted speciesExtinction status not supplied
Grammatonotus ambiortus Prokofiev, 2006CallanthiidaeChordataAccepted speciesExtinction status not supplied
Grammatonotus lanceolatus (Kotthaus, 1976)CallanthiidaeChordataAccepted speciesExtinction status not supplied
Grammatonotus roseus (Günther, 1880)CallanthiidaeChordataAccepted speciesExtinction status not supplied
Grammatonotus surugaensis Katayama, Yamakawa & Suzuki, 1980CallanthiidaeChordataAccepted speciesExtinction status not supplied

Browse 13 records assigned to Callanthiidae.

Source literature & publication evidence

References attached to this source record, including nomenclatural citations where supplied. This is a selected bibliography; abbreviated citations remain in the source’s form.

  1. Gilbert, C. H. (1905). II. The deep-sea fishes of the Hawaiian Islands. In: The Aquatic Resources of the Hawaiian Islands. Bulletin of the U. S. Fish Commission, v. 23 (pt 2) [for 1903]: 577–713, Pls. 66–101. Source fields: Taxon.tsv dwc:namePublishedIn, Taxon.tsv dcterms:references

Origins, evidence & remaining research

Name authority and publication references document nomenclature where the source supplies it. They do not establish evolutionary origins or the earliest fossil occurrence.

Specimen-level evidence, morphology, ecological research, phylogenetic studies, a comprehensive bibliography and a located literary passage have not yet been compiled for this record.

Dataset citation & attribution

This exact taxon in ChecklistBank · Catalogue of Life 2026-09-11

Catalogue of Life 2026-09-11; dataset 316321; doi:10.48580/dgz5n. https://creativecommons.org/licenses/by/4.0/ . Retrieved 5 October 2026.

Stable key: col:3H5Z3. Classification follows source parent identifiers. English common names may vary by region.