Added 16 August 2002. Last updated 25 March 2006: extensively updated the page to incorporate current classification.

Newts and Salamanders of Europe

Genus Triturus and relatives: European Newts



Introduction

Mention the word "newt" to any European, and the chances are that he or she will instantly think of one of the species belonging to Triturus or the related genera. These small but significant animals have a huge range, from Ireland to Iran and as far north as Scandinavia.

For a long time most of the species listed here were considered to belong to one genus, Triturus, but later research led to the decision to split several of the species into three new genera: Ichthyosaura, Lissotriton and Ommatotriton. In addition, two species formerly placed in the genus Euproctus were subsequently found to be more closely related to Triturus, and were placed in a new genus, Calotriton, listed here.

Triturus and relatives are characterised by their semiaquatic lifecycle, which for most species involves returning to the water after waking from hibernation in order to breed. This usually involves a certain amount of bodily change, mainly among the males who usually develop brighter colours and a crest on the tail and possibly on the back as well. In addition, fringes or webbing may appear on the hind toes, which may become extended instead. Both sexes may also develop a dorsolateral glandular swelling and their tails may become more "paddle-like" (Indiviglio) to assist in swimming. Courtship is fairly elaborate, and egg-laying may take some time. Later in the year most newts become terrestrial, losing their mating insignia in the process. However, some high-altitude or deep water populations may spend most or even all of the year in the water.

All of these species are protected to a lesser or greater degree by law, but it is possible to legally purchase individuals from European breeders (check your national law first, however). Triturus and related newts have been kept and bred successfully in captivity, but Indiviglio notes that they are very sensitive to water quality, so optimum care is very important.


QUICK INDEX



Calotriton


Calotriton arnoldi, Montseny Brook Newt

Calotriton asper, Pyrenean Brook Newt



Ichthyosaura


Ichthyosaura alpestris, Alpine Newt




Lissotriton


Lissotriton boscai, Bosca's Newt

Lissotriton graecus, Greek Newt

Lissotriton helveticus, Palmate Newt

Lissotriton italicus, Italian Newt

Lissotriton kosswigi, Kosswig’s Newt

Lissotriton lantzi, Caucasian Smooth Newt

Lissotriton maltzani, Portugese Smooth Newt

Lissotriton montandoni, Montandon's Newt

Lissotriton schmidtleri, Schmidtler’s Smooth Newt

Lissotriton vulgaris, Common/Smooth Newt




Ommatotriton


Ommatotriton nesterovi, Anatolian Banded Newt

Ommatotriton ophryticus, Northern Banded Newt

Ommatotriton vittatus, Southern Banded Newt


Triturus


T. anatolicus, Anatolian Crested Newt

Triturus carnifex, Italian Crested Newt

Triturus cristatus, Great Crested Newt

Triturus dobrogicus, Danube Crested Newt

Triturus ivanbureschi, Balkan Crested Newt

Triturus karelinii, Southern Crested Newt

Triturus macedonicus, Macedonian Crested Newt

Triturus marmoratus, Marbled Newt

Triturus pygmaeus, Pygmy Newt



Scientific Name

Common Name

Distribution

Size

Notes

Calotriton

C. arnoldi

Montseny Brook Newt

NE Spain

10 cm

Considered Critically Endangered due to its restricted range. It is found in streams at 600-1200 m a.s.l.

C. asper

Pyrenean Brook Newt

Pyrenees

10-16.5 cm

Formerly included in Euproctes. This species occupy a few specialised areas in the Western Mediterranean region and occupy mainly mountainous regions, usually 700-2,500 m although sometimes between 250 and 3,000 m. They usually live close to mountain streams or lakes, or occasionally damp gullies that remain moist. Hibernation takes place below ground in winter, but they may also aestivate in summer. The Brook Salamanders are an earth brown colour with a distinguishing yellow dorsal stripe, thick granular skin and small or vestigial parotoid glands.

C. a. castelmouliensis


Bagnères-de-Bigorre, France



Icthyosaura

I. alpestris


Alpine Newt [Fr Triton alpestre: D Bergmolch]

Central Europe into France, NW Spain, N Italy, Balkans: introduced into UK and New Zealand

4-4½"

Fairly widespread species, found equally in flooded stone quarries, lowland meadow ponds and mountain forest pools. However it is predominantly montane, being largely absent from the lowland areas in Europe. Some individuals may be found at up to 9,000 ft. Colouring is ventrally orange and dorsally grey marbling, and in addition males have blue sides and a low crest. Once they leave the water in summer, males lose the crest and the skin of both sexes takes on a warty appearance. Thereafter the Alpine Newt lives on dry land until autumn, when it hibernates for the winter. Females are normally larger than males. If picked up, these newts can make a whistling sound by inflating themselves and releasing the air. This species is also capable of regeneration of limbs. Occasionally larvae do not complete their metamorphosis by autumn, in which case they hibernate and metamorphose the following year. Neoteny has also been occasionally recorded, being found in two subspecies and partly in a third. There are 10 or so subspecies.

Lissotriton

L. boscai

Bosca's Newt [Fr Triton Boscai: D Spanischer Wassermolch]

W Iberia (Spain and Portugal)

5-9 cm (m), 6-10 cm (f)

Similar to Palmate Newt but males lack tail filament. Inhabits mainly small ponds but sometimes lakes within caves.

L. graecus

Greek Newt

S Balkans, Greece

6-11 cm (m), 6-10 cm (f)


L. helveticus

Palmate Newt [Fr Triton palm? D Fadenmolch]

W. Europe as far as Scotland and NW Iberia.

2½-4"?

See above for remarks on similarity to Montandon's Newt. The main difference is the shorter tail filament (only up to 5mm) and webbed feet in the males. Females lack the tail filament and have a narrower caudal fin and smaller spots on the body. It is highly adaptable, living in ponds, marshes and brackish water in coastal areas but also occupying mountainous regions of up to 2,000 m. Life cycle and diet are the same as Montandon's.

L. italicus

Italian Newt [Fr Triton italien: D Italienischer Wassermolch]

S Italy

6-8 cm

Smallest European newt. Males have low border on tail instead of dorsal crest.

L. kosswigi

Kosswig’s Smooth Newt




L. lantzi

Caucasian Smooth Newt




L. maltzani

Portugese Smooth Newt




L. montandoni

Montandon's Newt, Carpathian Newt [Fr Triton des Carpathes: D Karpatenmolch]

Carpathians, Jesenik highlands in N Moravia

2½-4"

Interesting newt confined to small part of Central Europe but closely related to the Palmate Newt T. helveticus of W. Europe. It seems both were once the same species but evolved separately after geographical separation during the ice ages. (A further pointer is that Montandon's Newts have occasionally been found in Germany). Preferred habitat is warm still water over a muddy bottom, but pools of spring water up to 2,000 m. high may also be used. Males have only a fin-like border on the tail, as opposed to the usual dorsal crest, but are larger than the females and the tip of their tail ends in a filament up to 8mm long. There are prominent ridges along the newts' backs which make it somewhat square in cross-section, and the skin is rough. Hybrids between Montandon's Newt and the Smooth Newt have been encountered: these creatures have a longer terminal filament and only a narrow dorsal crest. The aquatic phase of this newt is comparatively short, and thereafter it inhabits dry land for the rest of the year. Larvae occasionally also hibernate and complete their metamorphosis the following year.

L. schmidtleri

Schmidtler’s Smooth Newt




L. vulgaris

Smooth Newt [Fr Triton ponctu? D Teichmolch]

All Europe, inc. GB and Ire. but not Iberia, S. France or Italy

3-4"

Very abundant species from the West of Europe as far east as the Altai Mountains. Primarily found in slow of still water in lowlands, but can also be found in mountainous areas up to 1,500 m (mainly in the South). Once common in cultivated areas but now endangered by use of chemicals. Males are brighter, have a crest from the head to the tip of the tail and are usually larger. Females only have a narrow crest along the tail. In colouring these newts appear much like the other Triturus species. Breeding takes place between April and June, after which the newts leave the water and spend the rest of the year on dry land. Hibernation often takes place in large groups. Neoteny is quite common in the Smooth Newt, with some populations never leaving the water.

Ommatotriton

O. nesterovi

Anatolian Banded Newt




O. ophryticus

Northern Banded Newt




O. vittatus

Southern Banded Newt

Caspian, Asia Minor, Syria

4-5"

Colourful species with the males having light blue and dark blue side stripes from front to rear legs. This newt inhabits high mountain areas (1,000-1,600, sometimes up to 2,800, m.) and lives next to streams with rocky bottoms. In the summer they shelter beneath stones or rotting tree trunks if their stream dries up.

Triturus

T. anatolicus

Anatolian Crested Newt




T. carnifex

Italian/Alpine Crested Newt [D Alpen-Kammolch]

Austria, N.Yug, Italy

 

In contrast to some or all of the other species, the Alpine Crested Newt spends all the year in water.

T. cristatus

Crested Newt [Fr Triton crêté D Kammmolch]

England, Scotland, central Europe from France to Urals, S. Scandinavia to Alps

18-20 cm

The Crested Newt is the largest European newt and is widely distributed. It is also the most aquatic, being found in still- or slow water at low altitude and sometimes at much higher altitudes. Colouring is similar to the Alpine Newt, but males have much more prominent crests while females have none. The Crested Newt lives on aquatic insects and gastropods, but will also attack the larvae of other amphibians and other adult newts. The terrestrial phase is not nearly as long as that of other European newts and covers the hibernation period. In captivity Crested Newts can live for up to 20 years. A number of subspecies (carnifex, dobrogicus and karelinii) formerly belonging to this species have all been raised to full species level.

T. dobrogicus

Danube Crested Newt [Fr Triton cr??du Danube: D Donau- Kammolch]

Mainly Danube valley and its drainages: Austria (from W of Linz), S Czech, Hungary as far east as Ukrainian Carpathians, south to E former Yugoslavia, S Romania and N Bulgaria: also Danube delta in Romania and Moldavia

12cm (m), 13cm (f)


T. ivanbureschi

Balkan Crested Newt

SE Balkans

14-18 cm


T. karelinii

Southern/Balkan Crested Newt [D Balkan- Kammolch]

E. Balkans, Crimea, Asia Minor, N. Iran

18-20 cm

 

T. macedonicus

Macedonian Crested Newt

SW Balkans



T. marmoratus

Marbled Newt [Fr Triton marbré D Marmormolch]

SW France, Iberia

5-6"

Another popular vivarium subject owing to its beautiful appearance. The green dorsal body colouring is broken up by black "marbling", while the ventral surface is grey. Both sexes also acquire a red dorsal stripe running from neck to tip of the tail in the terrestrial phase of their lives, which the females retain also during the aquatic phase. In the aquatic phase males also acquire a dorsal crest and a silver stripe in the tail which also grows a low dorsal fin. Mating takes place during the short breeding season in slow or moving water, but thereafter the Marbled Newt spends its life on dry ground. Like the axolotl, Marbled Newts have the power of regenerating missing organs.

T. pygmaeus

Pygmy Newt

S Portugal, SW Spain

<12cm/4" TL

 

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