Calumma gastrotaenia

Calumma gastrotaenia aus Anjozorobe 2018
Calumma gastrotaenia aus Anjozorobe 2018
Calumma gastrotaenia aus Anjozorobe 2018
CITES quotas
2011-13 no specimen, 2014-16 each 500 specimen, 2017 for the first time 1000, 2018 and 2019 each 500 specimen for legal export

First description:

Boulenger, 1888

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Calumma gastrotaenia

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Anjozorobe: -18.448347, 48.015747
Anosibe An\'Ala: -19.438100, 48.206100
Andasibe: -18.938114, 48.430481
Analamazaotra: -18.938763, 48.408508
Analamazaotra - Mitsinjo: -19.024472, 48.473053
Ambavaniasy: -18.945400, 48.513700
Mantadia: -18.799718, 48.479919
Moramanga: -18.947100, 48.230400

Distribution:

Calumma gastrotaenia belongs to the chameleon species that prefer living in the dense rainforests of the eastern highlands. We could find this chameleon species at elevations of 1200 meters above sea level. Lucky people can find these small chameleons in the rainforests of Analamazaotra in high shrubs as well as along the road to Andasibe at night sleeping on small branches. Over the last years, we have been watching a strong decrease in specimen numbers, and up to date, this species can only rarely be found anymore in Andasibe. The best place to see the animals is Anjozorobe in the northern highlands of Madagascar. In spring you can find whole “kindergartens” of this species in the forest at only a few hundred metres.

Appearance and size:

Calumma gastrotaenia belongs to the small or mid-sized chameleon species. Males reach a length of 14 cm, while females grow up to 13 cm. Scalation is homogenous, with a small dorsal crest in males. The males’ colour is bright green with yellow accents and a white lateral stripe from the eye to the tail that may be bright blue above the eye lids. The casque rises in direction to the back, in females it stays low. The ventral crest has two paralell running white lines. During mating time, Calumma gastrotaenia sometimes also show blue accents. The young specimen are bright green and really tiny.

Reproduction:

Young Calumma gastrotaenia hatch from January to March, they are easier to find because they always sleep at the end of leaves.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average temperature 23 24 23 23 22 19 19 19 20 21 22 23
Minimum temperature20 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 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 region around Andasibe with the belonging forests Mantadia and Analamazaotra is located in Madagascar's eastern highlands at elevations between 900 and 1250 m above sea level. Thus temperatures sometimes reach temperatures above 25°C, but thermometers rarely climbs above 30°C or only in sunny places. At night, temperatures always drop to 10° to 15°C.

Humidity in Andasibe's rainforest is high all year long. During rainy season, it rains intensively every day, sometimes rain even lasts for days. But also dry season does not differ much besides the fact of cooler temperatures. It still rains at least every other day, in most years more often. Rain, humidity and temperature drop at night are the key features of the region around Andasibe.

2014 UVI Andasibe 2016 UVI Andasibe
Tageszeit = day time, Sonne = sun, Halbschatten = half shade, Schatten = shade

We have measured UVB data with a Solarmeter 6.5 in spring (March, April) 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 the region of Andasibe available yet.

Habitat:

The following pictures show the habitat of Calumma gastrotaenia in the rainforests of Andasibe and Anjozorobe. Both rainforests are rather dense with small clearings inbetween. The animals live on slender trees and in high bushes.

Hereinafter you can find some 360° pictures from Andasibe. 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 Reservat V.O.I.M.M.A., Andasibe, Region Alaotra-Mangoro, östliches Hochland, Madagaskar, April 2017 – Spherical Image – RICOH THETA

Regenwald im Reservat V.O.I.M.M.A., Andasibe, Region Alaotra-Mangoro, östliches Hochland, Madagaskar, April 2017 – Spherical Image – RICOH THETA

Regenwald im Reservat V.O.I.M.M.A., Andasibe, Region Alaotra-Mangoro, östliches Hochland, Madagaskar, April 2017 – Spherical Image – RICOH THETA

Regenwald im Reservat V.O.I.M.M.A., Andasibe, Region Alaotra-Mangoro, östliches Hochland, Madagaskar, April 2017 – Spherical Image – RICOH THETA

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

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