Habu
Protobothrops flavoviridis (Hallowell, 1861)
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.

A Habu, a pit viper found in the Ryukyu Islands
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Open encyclopedia reference
Protobothrops flavoviridis, also known commonly as the Okinawa habu is a species of pit viper, a venomous snake in the subfamily Crotalinae of the family Viperidae. The species is endemic to the Ryukyu Islands of Japan. No subspecies are recognized as being valid. Local common names include habu and Kume Shima habu. The term "habu" in Okinawa Prefecture can also refer to the Sakishima habu (Protobothrops elegans) alternately called the elegant pit viper.
Wikipedia contributors, Protobothrops flavoviridis; see linked history · CC BY-SA 4.0 . Plain-text lead excerpt, at most 180 words; no infobox or later sections Retrieved 2026-10-05T01:19:51.290660+00:00. This reference remains separate from the taxonomic record.
Identity & source status
- Scientific name
- Protobothrops flavoviridis (Hallowell, 1861)
- Name authority
- (Hallowell, 1861)
- Common name
- Habu
- Rank
- species
- Accepted status
- accepted
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Squamata
- Family
- Viperidae
- Genus
- Protobothrops
- Extinction status
- Not supplied by this source
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
- megaclassTetrapoda
- classReptilia Laurenti, 1768
- orderSquamata Oppel, 1811
- suborderSerpentes Linnaeus, 1758
- infraorderAlethinophidia Nopcsa, 1923
- familyViperidae
- subfamilyCrotalinae
- genusProtobothrops
- speciesProtobothrops flavoviridis (Hallowell, 1861)
Close classified relatives
These entries share the source’s genus, Protobothrops. They are not necessarily the closest relatives established by molecular evidence.
| Species | Classification | Source status |
|---|---|---|
| Horned Pit Viper (Fi-Si-Pan)Protobothrops cornutus (Smith, 1930) | ViperidaeChordata | Accepted speciesExtinction status not supplied |
| Protobothrops himalayanus Pan, Chettri, Yang, Jiang, Wang, Zhang & Vogel, 2013 | ViperidaeChordata | Accepted speciesExtinction status not supplied |
| Kaulback’s lance-headed pitviperProtobothrops kaulbacki (Smith, 1940) | ViperidaeChordata | Accepted speciesExtinction status not supplied |
| Sievers’ Three horned-scaled pitviperProtobothrops sieversorum (Ziegler, Herrmann, David, Orlov & Pauwels, 2000) | ViperidaeChordata | Accepted speciesExtinction status not supplied |
| Tokara HabuProtobothrops tokarensis (Nagai, 1928) | ViperidaeChordata | Accepted speciesExtinction status not supplied |
| Kham plateau pitviperProtobothrops xiangchengensis (Zhao, Jiang & Huang, 1978) | ViperidaeChordata | Accepted speciesExtinction status not supplied |
| Elegant pitviperProtobothrops elegans (Gray, 1849) | ViperidaeChordata | Accepted speciesExtinction status not supplied |
| Dabie Mountains Pit ViperProtobothrops dabieshanensis Huang, Pan, Han, Zhang, Hou, Yu, Zheng & Zhang, 2012 | ViperidaeChordata | Accepted speciesExtinction status not supplied |
| Protobothrops jerdonii (Günther, 1875) | ViperidaeChordata | Accepted speciesExtinction status not supplied |
| Mang Mountain PitviperProtobothrops mangshanensis (Zhao, 1990) | ViperidaeChordata | Accepted speciesExtinction status not supplied |
| Mao-lan pitviperProtobothrops maolanensis Yang, Orlov & Wang, 2011 | ViperidaeChordata | Accepted speciesExtinction status not supplied |
| Brown spotted pitviperProtobothrops mucrosquamatus (Cantor, 1839) | ViperidaeChordata | 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 |
|---|---|
| Trimeresurus flavoviridis tinkhami Gloyd, 1955 Gloyd, 1955 | synonym |
| Bothrops flavoviridis Hallowell, 1861 Hallowell, 1861 | synonym |
| Trimeresurus riukiuanus Hilgendorf, 1880 Hilgendorf, 1880 | synonym |
Documented distribution
Source distribution statements, not a complete range map. A listed locality is not necessarily a place of origin.
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://reptile-database.reptarium.cz/species?genus=Protobothrops&species=flavoviridis 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:4N4PF. Classification follows source parent identifiers. English common names may vary by region.