Calumma crypticum

Calumma crypticum Weibchen bei Ambositra 2017
Calumma crypticum Männchen in Anjozorobe
Calumma crypticum Männchen bei Ambositra 2017
Calumma crypticum
Calumma crypticum
Calumma crypticum
Calumma crypticum
Calumma crypticum female
Calumma crypticum female
Calumma crypticum aus Mandraka 2018
Calumma crypticum in Ranomafana 2018
Calumma crypticum in Ranomafana 2018
Calumma crypticum aus Mandraka 2018
Calumma crypticum aus Mandraka 2018
Calumma crypticum aus Mandraka 2018
Calumma crypticum in Anjozorobe 2018
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First description:

Raxworthy & Nussbaum, 2006

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Calumma crypticum

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Andohahela: -24.762108, 46.786652
Anjozorobe: -18.468538, 47.988968
Ranomafana: -21.167124, 47.491150
Mandraka: -18.911900, 47.920000
Ambositra: -20.533100, 47.244900


This species, also called blue-legged chameleon in English, only lives in rainforest at elevations between 1000 and 1800 meters above sea level. Ranomafana and Andohahela national park belong to their habitat as well as Tsaratanana massif and the area around Anjozorobe. You can find them best in the southern highlands in the forests around Ranomafana. Calumma crypticum prefers closed, dense forests as space to live. In 2016, we found animals in a region nearby Ambositra in the southern highlands for the first time. This population lives in a tiny, probably soon completely disturbed secondary forest with a size of less than 150 m². Due to lack of habitat, they will probaby be gone before anyone can do research to do further examinations in these animals. According to literature, Calumma crypticum does not occur in this area.

Appearance & size:

With a total length of approximately 40 cm in males, Calumma crypticum belongs to Madagascar’s larger chameleons. They look very similar to Calumma brevicorne: Males have distinct nose appendages that are laterally compressed, both genders wear distinct occipital lobes and a dorsal ridge with small cone scales. Males of Calumma crypticum are amazingly colourful, which makes them easy to distinguish from other species: The legs shine bright blue, and some individuals have blue accents along the whole body. Females are less conspicious with their marbled brown colour and yellow accents. The following pictures show some juveniles.

Good to know:

For a long time, Calumma crypticum was thought to be the same species as Calumma brevicorne because both look so similar. In 2006 they were described as own species.


Weight table

ewichtstabelle Calumma crypticum 2018
Gewicht = weight in grams, Kopf-Rumpf-Länge = snout-vent-length in cm, Jungtier = juvenile, Weibchen = female, Männchen = male

Since 2017, we measure the weights of Calumma crypticum that we find in Madagascar, of course only if practicable with calm animals (and working scales). Up to date, we have only few weights. Over the long term, we want to get an average weight in proportion to the snout-vent-length (measured from the tip of the nose to the cloaca) from a large amount of measurements for each Madagascan chameleon species. It is important to know that weights were all measured at the end of the rainy season, when the chameleons have been having the highest food supply of the year. So our table may show maximum weights of chameleons in Madagascar. Triangular symbols in females mean not pregnant, spherical symbols mean pregnant.


Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature 23 24 23 23 21 19 19 19 20 21 22 23
Minimum temperature 20 20 20 19 18 15 15 15 15 16 18 19
Maximum temperature 27 27 27 27 25 23 23 23 24 25 26 27
Rain days 27 24 26 19 17 18 21 20 15 16 20 25

We have collected the data given above over several years with thermometers and hygrometers at the finding places of the chameleons. "Average temperature" means that values of a whole month have been calculated to one average value per month. For example all measured minimum temperature values of February have been calculated to one average minimum temperature for February. In plain language, this means single peak values of a day may be a little higher or lower than the average minimum and maximum temperatures. It is possible that a location has an average maximum temperature of 29°C, but one day during that month it had 33°C or even 35°C there.

The rainforest of Ranomafana is located in Madagascar's southern highlands at elevations around 1000 m above sea level. Thus climate is generally cooler than e.g. on the coast or in the southwestern part of the island. Days reach temperatures around 25°C, rainy season may become a little warmer. Sunny places may get a little above 30°C sometimes. At night, temperature drops down to 20°C in rainy season and even lower to 15°C in dry season.

But "dry" season is very relative in Ranomafana, because the forest does not get dry at all. Never. It may rain less and precipitation is not lasting for days, but it is still rich enough to let ground and trees never dry completely. Key factors of Ranomafana's climate are high humidity and cool nights.

2016 UVI Ranomafana 2015 UVI Ranomafana
Tageszeit = day time, Sonne = sun, Halbschatten = half shade, Schatten = shade

We have measured UVB data with a Solarmeter 6.5 in spring (March) at the peak of activity of chameleons in Madagascar. We always measured the values that a chameleon could maximally reach in its habitat.

Unfortunately, we have no ground temperatures for Ranomafana available yet.


The following pictures show the habitat of Calumma crypticum near Ambositra as well as in Anjozorobe and Ranomafana. The finding place near Ambositra has been almost completely cut down in 2017. In Ranomafana, this species occurs in intact rainforest with huge trees, lianas und many ferns. The trees are quasi always moist and mossy overgrown. The forests extends over several canyons and is accordingly rocky, the soil is covered by foliage.

Hereinafter you can find some 360° pictures from Ranomafana. You can move inside these pictures via mouse click in all directions. If you click on the Theta logo, a new window with an enlarged view will open. You will also have the opportunity to look at the pictures in full screen mode. Enjoy!

Regenwald im Nationalpark Ranomafana, Region Haute Matsiatra und Vatovavy-Fitovinany, südliches Hochland, Madagaskar März 2017 – Spherical Image – RICOH THETA

Regenwald im Nationalpark Ranomafana, Region Haute Matsiatra und Vatovavy-Fitovinany, südliches Hochland, Madagaskar März 2017 – Spherical Image – RICOH THETA

Regenwald im Nationalpark Ranomafana, Region Haute Matsiatra und Vatovavy-Fitovinany, südliches Hochland, Madagaskar März 2017 – Spherical Image – RICOH THETA

Regenwald neben Reisfeldern im Schutzgebiet Anjozorobe-Angavo, Region Analamanga, zentrales Hochland, Madagaskar, April 2018 – Spherical Image – RICOH THETA

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