Helcogramma aquila Williams & McCormick, 1990
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.
Open encyclopedia reference
Helcogramma aquila, the darktail triplefin or blacktail triplefin, is a species of triplefin blenny in the genus Helcogramma. It was described by Jeffrey T. Williams and Carolyn J. McCormick in 1990. This species occurs in the western Pacific Ocean in the Batanes Islands in the Philippines and it has also been found off Guam.
Wikipedia contributors, Helcogramma aquila; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T22:45:01.166509+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Helcogramma aquila Williams & McCormick, 1990
- Name authority
- Williams & McCormick, 1990
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Blenniiformes
- Family
- Tripterygiidae
- Genus
- Helcogramma
- 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.
- domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
- kingdomAnimalia
- phylumChordata
- subphylumVertebrata
- infraphylumGnathostomata
- parvphylumOsteichthyes
- gigaclassActinopterygii
- superclassActinopteri
- classTeleostei
- orderBlenniiformes
- familyTripterygiidae Whitley, 1931
- subfamilyTripterygiinae Whitley, 1931
- genusHelcogramma McCulloch & Waite, 1918
- speciesHelcogramma aquila Williams & McCormick, 1990
Close classified relatives
These entries share the source’s genus, Helcogramma. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Helcogramma alkamr Holleman, 2007 | TripterygiidaeChordata | Accepted speciesExtinction status not supplied |
| Helcogramma billi Hansen, 1986 | TripterygiidaeChordata | Accepted speciesExtinction status not supplied |
| Helcogramma cerasina Williams & Howe, 2003 | TripterygiidaeChordata | Accepted speciesExtinction status not supplied |
| Helcogramma fuscopinna Holleman, 1982 | TripterygiidaeChordata | Accepted speciesExtinction status not supplied |
| Helcogramma gymnauchen (Weber, 1909) | TripterygiidaeChordata | Accepted speciesExtinction status not supplied |
| Helcogramma hudsoni (Jordan & Seale, 1906) | TripterygiidaeChordata | Accepted speciesExtinction status not supplied |
| Helcogramma microstigma Holleman, 2006 | TripterygiidaeChordata | Accepted speciesExtinction status not supplied |
| hotlips triplefinHelcogramma obtusirostris (Klunzinger, 1871) | TripterygiidaeChordata | Accepted speciesExtinction status not supplied |
| Helcogramma serendip Holleman, 2007 | TripterygiidaeChordata | Accepted speciesExtinction status not supplied |
| Helcogramma solorensis Fricke, 1997 | TripterygiidaeChordata | Accepted speciesExtinction status not supplied |
| Helcogramma striata Hansen, 1986 | TripterygiidaeChordata | Accepted speciesExtinction status not supplied |
| Helcogramma williamsi Chiang & Chen, 2012 | TripterygiidaeChordata | Accepted speciesExtinction status not supplied |
Names & synonyms
Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.
| Recorded name | Source status |
|---|---|
| Helcogramma aquilum Williams & McCormick, 1990 Williams & McCormick, 1990 | synonym |
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.
- Williams, J. T., & McCormick, C. J. (1990). Two new species of the triplefin fish genus Helcogramma (Tripterygiidae) from the western Pacific. Copeia, 1990 (4): 1020–1030. https://doi.org/10.2307/1446485 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. A suitable sourced image remains to be added.
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:3K46J. Classification follows source parent identifiers. English common names may vary by region.