kawakawa
Euthynnus affinis (Cantor, 1849)
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.

Une tonine orientale (Euthynnus affinis) aux Maldives (atoll de Baa).
Julien Bidet · CC BY-SA 4.0 · Image sourceProvider-generated thumbnail requested at 320 pixels; no local editing Local WebP display rendition; resized without cropping.
Open encyclopedia reference
Euthynnus affinis, the mackerel tuna, little tuna, eastern little tuna, wavyback skipjack tuna, kawakawa, or tongkol komo is a species of ray-finned bony fish in the family Scombridae, or mackerel family. It belongs to the tribe Thunnini, better known as the tunas. It is also in the genus Euthynnus of "little tunas," which includes the little tunny and the black skipjack.
Euthynnus affinis formerly was known as Euthynnus yaito.
Wikipedia contributors, Euthynnus affinis; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T02:31:42.015907+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Euthynnus affinis (Cantor, 1849)
- Name authority
- (Cantor, 1849)
- Common name
- kawakawa
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Teleostei
- Order
- Scombriformes
- Family
- Scombridae
- Genus
- Euthynnus
- 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
- orderScombriformes
- familyScombridae Rafinesque, 1815
- subfamilyScombrinae Rafinesque, 1815
- genusEuthynnus Lütken, 1883
- speciesEuthynnus affinis (Cantor, 1849)
Close classified relatives
These entries share the source’s genus, Euthynnus. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| little tunnyEuthynnus alletteratus (Rafinesque, 1810) | ScombridaeChordata | Accepted speciesExtinction status not supplied |
| black skipjackEuthynnus lineatus Kishinouye, 1920 | ScombridaeChordata | 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 |
|---|---|
| Euthunnus yaito Kishinouye, 1915 Kishinouye, 1915 | synonym |
| Euthynnus yaito Kishinouye, 1915 Kishinouye, 1915 | synonym |
| Euthynus affinis (Cantor, 1849) (Cantor, 1849) | synonym |
| Euthunnus affinis affinis (Cantor, 1849) (Cantor, 1849) | synonym |
| Euthunnus alleteratus affinis (Cantor, 1849) (Cantor, 1849) | synonym |
| Euthynnus affinis yaito Kishinouye, 1915 Kishinouye, 1915 | synonym |
| Euthunnus affinis | synonym |
| Euthunnus wallisi (Whitley, 1937) (Whitley, 1937) | synonym |
| Evrythynnus affinis (Cantor, 1849) (Cantor, 1849) | synonym |
| Thynnus affinis Cantor, 1849 Cantor, 1849 | synonym |
| Euthunnus affinis yaito Kishinouye, 1915 Kishinouye, 1915 | synonym |
| Euthynnus alletteratus affinis (Cantor, 1849) (Cantor, 1849) | synonym |
| Wanderer wallisi Whitley, 1937 Whitley, 1937 | 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.
- https://www.marinespecies.org/aphia.php?p=taxdetails&id=219708 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:3DDKS. Classification follows source parent identifiers. English common names may vary by region.