Shinisaurus crocodilurus AHL, 1930
Can you confirm these amateur observations of Shinisaurus crocodilurus?
|Higher Taxa||Shinisauridae, Diploglossa, Anguimorpha, Sauria, Squamata (lizards)|
|Subspecies||Shinisaurus crocodilurus crocodilurus AHL 1930|
Shinisaurus crocodilurus vietnamensis SCHINGEN et al. 2016
|Common Names||E: Chinese Crocodile Lizard|
|Synonym||Shinisaurus crocodilurus AHL 1930|
Shinisaurus crocodilurus — MÄGDEFRAU 1987
Shinisaurus crocodilurus — GOOD et al. 1993
Shinisaurus crocodilurus — SANG et al. 2009
|Distribution||China (Guangxi, Guangdong, Guizhou, Hunan), NE Vietnam ?|
For a detailed map see Mägdefrau,H. (1987).
Type locality: “Kwangsi”
vietnamensis: NE Vietnam (Bac Giang, Quang Ninh); Type locality: at an elevation of 407 m in Son Dong District, Bac Giang Province, Vietnam by Cuong The Pham. Map legend:
- Region according to the TDWG standard, not a precise distribution map.
NOTE: TDWG regions are generated automatically from the text in the distribution field and not in every cases it works well. We are working on it.
|Reproduction||Mating takes place in or near water in August (the warmest month in China). Shinisaurus gives birth to 2 - 7 living young from April to May (viviparous). Newborns are 10-15 cm in length and weigh about 4 grams.|
|Types||Lectotype: ZMB 34034|
Holotype: IEBR 3806 (TYT2012.1SC), Adult male, collected on 02 July 2012; paraypes: IEBR, ZFMK
|Comment||Type species: Shinisaurus crocodilurus AHL 1930 is the type species of the genus Shinisaurus AHL 1930 and Shinisaurus is the type genus of the family Shinisauridae.|
Habitat: Along rivers and washes with densely overgrown banks. These regions are 500-700 above sea level.
Hibernation: Shinisaurus hibernates for 3 - 4 month.
Behavior: Sunbathes on branches hanging over water; jumps into the water and escapes by swimming when aroused. In general, a relatively sluggish lizard that might spend several days without movement in water or on a rock next to water. Swims very well and can stay under water for more than half an hour.
Diet: Crustaceans, fish, tadpoles, water snails and other small freshwater animals.
Taxonomy: Macey et al. (1999) suggested to place Shinisaurus in a separate family, Shinisauridae, following the original suggestion by AHL (1930).
Distribution: Does not occur in Vietnam fide MÄGDEFRAU (1987) and BOBROV (2004, pers. comm.), but listed by SANG et al. 2009.
Genomics: this is one of the species selected by the Genome 10K consortium for complete genome sequencing.
Diagnosis (vietnamensis): Shinisaurus crocodilurus vietnamensis ssp. n. differs from the nominate form Shinisaurus c. crocodilurus from China by the following combination of morphological characters: a relatively lower ratio of head height (HH) to head length (HL) and cheek height (CHa) to head length (lower head and cheek); a relatively higher ratio of eye-naris distance (EN) to head length and lower ratios of eye-eye distance to head length and internares distance to head length (snout longitudinally elongated and transversely narrower); and a relatively smaller ratio of orbital diameter (Or) to head length. For further morphological, molecular and ecological separation of the new subspecies from the nominate form see also the section “Comparisons”.
|Etymology||Named after the Chinese scientist Prof. Shin. Length: up to 40 cm. Weight: up to 150 g. Sexual dimorphism: Males bear a bright red colouring on their throats and bellies. The female belly is white or grey and has slight stripes.|
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