S. lacertina is paedomorphic, as are all sirens. Most Michigan salamanders begin breeding in the spring months with a few exceptions.

The greater siren (Siren lacertina) is an eel-like amphibian and one of the three members of the genus Siren. If not introduced, this represents a significant expansion of the species' known range. Activity Map Diversity Map Instructions Mobile App View Record No. The rear legs are completely missing. It has no rear legs, and the front legs are reduced with four toes on each leg. The designation "lesser" comes from the fact that most Siren intermedia are less than 2 feet long (total length), in contrast to the "greater" sirens, which are known to exceed 3 feet in length. The range also extends northward in the Mississippi Valley to Illinois, Indiana, and southwestern Michigan. Map created 25 February 2020. Lesser sirens (Siren intermedia) inhabit the Atlantic and Gulf Coastal Plain from Virginia to Mexico, and range north in the Mississippi Valley to Illinois, Indiana, and southwestern Michigan (Conant and Collins, 1991).). County map for Siren intermedia (Western Lesser Siren). Description The Lesser Siren is an aquatic, eel-like salamander. intermedia. Lesser Canada goose populations have been very successful and adapt well to changing environments. Siren intermedia. 4. This species is nocturnal and primarily feeds on aquatic invertebrates like … Adult Sirens range from around 1 foot to slightly over 2 feet in length, although most Lesser Sirens captured in Indiana have been under 20 in (~180-400 mm). First discovered in Maryland in Prince George's County in July 2014.

Stereochilus marginatus (HALLOWELL 1856), Many-lined Salamander. Photo by Kevin Stohlgren. This species is nocturnal and primarily feeds on aquatic invertebrates like crustaceans, amphibian larvae, worms and […] MODERATE CONSERVATION CONCERN. intermedia but slightly larger and different costal groove count. Siren intermedia aLESI ITIS Species Code: 173736 NatureServe Element Code: AAAAG02010 Taxa: Amphibian Order: Caudata Family: Sirenidae NS Global Rank: G5 Federal Status: ---NS State Rank: AL (S5), AR (S5), FL (SNR Description: The Lesser Siren has a long slender body, up to 27 inches in length, with a very small dorsal fin that runs from the vent to the tip of the tail. When you buy a Black circles ( ) represent records after 1986, blue squares ( ) represent records between 1966 and 1986, orange triangles ( ) represent records prior to 1966. Description: The lesser siren is an eel-like aquatic salamander with a long slender body (18-68 cm long) and a very small dorsal fin that runs from the vent to the tail tip.The front legs are extremely reduced and the rear legs are completely absent; each foot has four toes. Western lesser siren: Isolated records in western portions of Coastal Plain. These include the marbled salamander and the mudpuppy which breed in the fall, the four-toed salamander that breeds in late summer and fall, and the red-backed salamander which breeds in the fall through winter and early spring in some places. Summary 7 The lesser siren (Siren intermedia) is a species of aquatic salamander native to the eastern United States and northern Mexico.They are referred by numerous common names, including two-legged eel, dwarf siren, and mud eel.The specific epithet intermedia denotes their intermediate size, between the greater siren, Siren lacertina, and the dwarf sirens, Pseudobranchus spp. It has no rear legs, and the front legs are reduced with four toes on each leg.


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