Notophthalmus meridionalis

Mon, 01 Jan 0001 00:00:00 +0000

Scientific name. Notophthalmus meridionalis

Common Name. Black-spotted Newt

General information. Notophthalmus meridionalis finds shelter among submerged rocks and feeds on insects, mollusks, leeches, and small amphibians. Notophthalmus meridionalis also has toxic secretions from skin glands to deter predators.

Protected status. The Black-spotted Newt is considered a threatened species by the Texas Parks and Wildlife Department and is fully protected by the state.

Diagnostic features. Smooth-skinned newt with a relatively large head. Elongate limbs. Finned, vertically compressed tail.

Coloration. Olive green dorsum and orange ventral surface, both with large black spots. Yellow stripes on back and blue-green coloration on sides may be present.

General distribution. In North America, Notophthalmus meridionalis is found in south Texas and adjacent Mexico.

Texas distribution. The only subspecies of Notophthalmus meridionalis found in Texas,N. m. meridionalis, is found along the coast in the southern portion of the state.

Habitat. Notophthalmus meridionalis prefers warm, shallow waters with vegetative cover, such as those in ponds, ditches, and swamps.

Reproduction. Breeding peaks in the spring for Notophthalmus meridionalis, but can occur all year. Females will lay up to 300 eggs and attach them to submerged vegetation in shallow waters.

Size. Notophthalmus meridionalis grows to an adult total length of 5-11 cm (2-4.2 in).

Map. Orange counties indicate new county records since previous Herps of Texas update in 1998; all other colored counties reflect known distribution prior to 1998 for species and/or subspecies. Map is based on museum voucher specimens.

Notophthalmus viridescens

Mon, 01 Jan 0001 00:00:00 +0000

Scientific name. Notophthalmus viridescens

Common Name. Eastern Newt

General information. Adult Notophthalmus viridescens find shelter among submerged rocks and feed on insects, mollusks, leeches, and small amphibians. They have toxic secretions from skin glands with which to deter predators. The eft is terrestrial and is active during or after rains.

Protected status. The Eastern Newt is not a protected species in Texas and can be legally collected with a hunting license.

Diagnostic features. Adult: stout newt with relatively small head, short limbs, and a vertically compressed tail. Eft: rounded tail

Coloration. Adult: yellow-brown to dark brown dorsum and yellow venter with numerous black spots on ventral surface. Eft: red-orange color with little spotting.

General distribution. In North America, Notophthalmus viridescens is found from Lake Superior south to Texas and eastward to South Carolina.

Texas distribution. In Texas, Notophthalmus viridescens is found in the eastern third of the state.

Habitat. Adult Notophthalmus viridescens are found in the shallow waters of streams with vegetative cover, such as in ditches, swamps, and ponds. Land-stage efts are found on the forest floor.

Reproduction. Breeding in occurs in late winter to early spring. Females lay up to 200-400 eggs and attach them singly to submerged vegetation in shallow waters.

Size. As adults, aquatic Notophthalmus viridescens grow to 6-13 cm (2.5-5.5 in) total length Terrestrial efts of this species grow between 3-8 cm (1.4-3.4 in) in total length.

Eastern Newts | Herps of Texas

Notophthalmus meridionalis

Notophthalmus viridescens