Dellichthys trnskii Conway, Stewart & Summers, 2018

Open encyclopedia reference

Dellichthys trnskii is a species of clingfish. The second species in the genus Dellichthys, it was recently discovered in intertidal and shallow coastal waters of New Zealand. Its length is between 11.9–46.0 mm.

Snout is broad and short. Upper and lower jaws are equal in length. Snout tip and lower jaw are pale pink. Dorsal and lateral surface of head are light yellow to green. Body is pale orange to yellow. Median fins are transparent. Head is large, slightly dorsoventrally compressed. Body width tapers gradually posteriorly. Anterior nostril is a small tubular opening, whereas posterior nostril is tubular. Mouth is terminal and small. Pharyngeal jaws comprise a patch of 16–18 small conical teeth. 10–12 gill rakers are present. Nine rays are in dorsal fin. Seven rays are in anal fin. All fin rays are unbranched and segmented. Caudal fin is rounded. Adhesive disc is large.

Wikipedia contributors, Dellichthys trnskii; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T19:29:56.832637+00:00. This reference remains separate from the taxonomic record.

Identity & source status

Scientific name

Dellichthys trnskii Conway, Stewart & Summers, 2018

Name authority

Conway, Stewart & Summers, 2018

Rank

species

Accepted status

accepted

Kingdom

Animalia

Phylum

Chordata

Class

Teleostei

Order

Gobiesociformes

Family

Gobiesocidae

Genus

Dellichthys

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. orderGobiesociformes
11. familyGobiesocidae Bleeker, 1859
12. subfamilyGobiesocinae Bleeker, 1859
13. genusDellichthys Briggs, 1955
14. speciesDellichthys trnskii Conway, Stewart & Summers, 2018

Close classified relatives

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

Browse 142 records assigned to Gobiesocidae.

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. Conway, K. W., Stewart, A. L., & Summers, A. P. (2018). A new species of sea urchin associating clingfish of the genus Dellichthys from New Zealand (Teleostei, Gobiesocidae). ZooKeys, 740: 77–95. https://doi.org/10.3897/zookeys.740.22712 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:D552V. Classification follows source parent identifiers. English common names may vary by region.