''Enhydris'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of slightly

venom Venom or zootoxin is a type of toxin produced by an animal that is actively delivered through a wound by means of a bite, sting, or similar action. The toxin is delivered through a specially evolved ''venom apparatus'', such as fangs or a sti ...

ous, rear-fanged

snake Snakes are elongated limbless reptiles of the suborder Serpentes (). Cladistically squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales much like other members of the group. Many species of snakes have s ...

s in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Homalopsidae The Homalopsidae are a family of snakes which contains about 30 genus, genera and more than 50 species. They are commonly known as Indo-Australian water snakes, mudsnakes, or bockadams. They are also known as (lit. "water snake") in Indonesian. ...

. The genus is

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

to the tropical area of Indo-Australian region.

Species

The following 6

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

are recognized: * ''

Enhydris chanardi The Sind River snake (''Enhydris chanardi)'', also known commonly as Chanard's mud snake and Chan-ard's water snake, is a species of mildly venomous, rear-fanged snake in the family Homalopsidae. The species is endemic to Thailand. Taxonomy Th ...

'' Murphy & Voris, 2005 * ''

Enhydris enhydris The rainbow water snake (''Enhydris enhydris'') is a species of mildly venomous, rear-fanged, colubrid snake, endemic to Asia. Geographic range ''E. enhydris'' is found in southeastern China, Indonesia ( Bangka, Belitung, Java, Kalimantan, Sula ...

'' ( Schneider, 1799) * ''

Enhydris innominata ''Enhydris'' is a genus of slightly venomous, rear-fanged snakes in the family Homalopsidae. The genus is endemic to the tropical area of Indo-Australian region. Species The following 6 species are recognized: * '' Enhydris chanardi'' Murp ...

'' ( Morice, 1875) * ''

Enhydris jagorii ''Enhydris'' is a genus of slightly venomous, rear-fanged snakes in the family Homalopsidae. The genus is endemic to the tropical area of Indo-Australian region. Species The following 6 species are recognized: * '' Enhydris chanardi'' Murp ...

'' ( W. Peters, 1863) * ''

Enhydris longicauda ''Enhydris'' is a genus of slightly venomous, rear-fanged snakes in the family Homalopsidae. The genus is endemic to the tropical area of Indo-Australian region. Species The following 6 species are recognized: * '' Enhydris chanardi'' Murp ...

'' ( Bourret, 1934) * ''

Enhydris subtaeniata ''Enhydris'' is a genus of slightly venomous, rear-fanged snakes in the family Homalopsidae. The genus is endemic to the tropical area of Indo-Australian region. Species The following 6 species are recognized: * '' Enhydris chanardi'' Murp ...

'' (Bourret, 1934) Several additional species have traditionally been placed here, but are now often in genera such as ''

Subsessor ''Subsessor'' is a genus of snake in the family Homalopsidae. The genus is monotypic, containing the sole species ''Subsessor bocourti''. The species is commonly known as Bocourt's mud snake or Bocourt's water snake and has traditionally been pla ...

'' and ''

Pseudoferania ''Pseudoferania'' is a genus of snake in the family Homalopsidae. The genus is monotypic, containing the sole species ''Pseudoferania polylepis'' (MacLeay's water snake). The snake is found in Australia and New Guinea. Description MacLeay's wate ...

''. Another species, ''

Enhydris smithi ''Enhydris'' is a genus of slightly venomous, rear-fanged snakes in the family Homalopsidae. The genus is endemic to the tropical area of Indo-Australian region. Species The following 6 species are recognized: * '' Enhydris chanardi'' Murp ...

'' , was considered to be a valid species by

herpetologists Herpetology (from Ancient Greek ἑρπετόν ''herpetón'', meaning "reptile" or "creeping animal") is a branch of zoology concerned with the study of amphibians (including frogs, salamanders, and caecilians (Gymnophiona)) and reptiles (incl ...

M.A. Smith 1943, Das 2010, and Wallach et al. 2014, but was considered to be a synonym of ''Enhydris jagorii'' by Cox et al. 1998, and Murphy & Voris 2014. ''

Nota bene ( ; plural: ) is the Latin language, Latin phrase meaning ''note well''. In manuscripts, ''nota bene'' is abbreviated in upper-case as NB and N.B., and in lower-case as n.b. and nb; the editorial usages of ''nota bene'' and ''notate bene'' fi ...

'': In the list above, a binomial authority in parentheses indicates that the species was originally described in a genus other than ''Enhydris''.

Etymology

The specific names, ''jagorii'' and ''smithi'', are in honor of German naturalist Fedor Jagor and British herpetologist

Malcolm Arthur Smith Malcolm Arthur Smith (1875 in New Malden, Surrey – 1958 in Ascot) was a herpetologist and physician working in the Malay Peninsula. Early life Smith was interested in reptiles and amphibians from an early age. After completing a degree in medi ...

, respectively. Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). ''The Eponym Dictionary of Reptiles''. Baltimore: Johns Hopkins University Press. xiii + 296 pp. . (''Enhydris jagorii'', p. 132; ''Enhydris smithi'', p. 247).

Species

Etymology

References

Further reading