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Triacanthodinae

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Subfamily of fish

Triacanthodinae
Triacanthodes anomalus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Tetraodontiformes
Family: Triacanthodidae
Subfamily: Triacanthodinae
Gill, 1862
Genera

see text

Triacanthodinae is a subfamily of marine ray-finned fishes belonging to the family Triacanthodidae, the spikefishes. This subfamily comprises nine genera and a total of nineteen species and all, except one species, are found in the tropical and subtropical waters of the Indo-Pacific. The exception is found in the western Atlantic Ocean.

Taxonomy

Triacanthodinae is the nominate subfamily of the family Triacanthodidae, a taxon name first proposed by the American biologist Theodore Gill in 1862. In 1968 the American ichthyologist James C. Tyler proposed that the family Triacanthodidae be split into two subfamilies, establishing the subfamily Hollardiinae for the genera Hollardia and Parahollardia. The 5th edition of Fishes of the World classifies the family Triacanthodidae in the suborder Triacanthoidei along with the family Triacanthidae, the triplefins.

Etymology

Triacanthodinae is a name based on its type genus Triacanthodes. which appends -odes, meaning "is similar to", onto Triacanthus, a genus these fishes were thought to be clsoley related to.

Genera and species

Triacanthodinae contains the following genera and species:

Characteristics

Triacanthodinae spikefishes are distinguished from the taxa in the subfamily Hollardiinae by the possession of a low, thin crest on the front of the supraoccipital and in having a flat, horizontal basin-like projection to the plevic bone. The largest species in the subfamily is Halimochirurgus alcocki with a maximum published standard length of 21.6 cm (8.5 in) while the smallest is Atrophacanthus japonicus which has a maximum published standard length of 4.4 cm (1.7 in).

Distribution and habitat

Triacanthodinae spikefishes are mainly found in the Indo-Pacific region, with one species Johnsonina eriomma in the Western Atlantic Ocean. These benthic fishes are found in deeper water.

References

  1. Richard van der Laan; William N. Eschmeyer & Ronald Fricke (2014). "Family-group names of recent fishes". Zootaxa. 3882 (2): 1–230. doi:10.11646/zootaxa.3882.1.1. PMID 25543675.
  2. ^ Franceso Santini; James C. Tyler (2003). "A phylogeny of the families of fossil and extant tetraodontiform fishes (Acanthomorpha, Tetraodontiformes), Upper Cretaceous to Recent". Zoological Journal of the Linnean Society. 139 (4): 565–617. doi:10.1111/j.1096-3642.2003.00088.x.
  3. ^ Nelson, J.S.; Grande, T.C.; Wilson, M.V.H. (2016). Fishes of the World (5th ed.). Hoboken, NJ: John Wiley & Sons. pp. 518–526. doi:10.1002/9781119174844. ISBN 978-1-118-34233-6. LCCN 2015037522. OCLC 951899884. OL 25909650M.
  4. Christopher Scharpf (21 August 2024). "Order TETRAODONTIFORMES: Families TRIODONTIDAE, TRIACANTHIDAE, TRIACANTHODIDAE, DIODONTIDAE and TETRAODONTIDAE". Christopher Scharpf. Retrieved 28 August 2024.
  5. ^ Froese, Rainer; Pauly, Daniel (eds.). "Family Triacanthodidae". FishBase. June 2024 version.
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