Mantella betsileo (Grandidier)

The description is based on a tadpole in Gosner stage 41 catalogued as ZSM 616/2003 (figure 4) (5 tadpoles), collected as embryos in the field from a clutch of a couple of M. betsileo in the Forêt de Kirindy/CFPF, and reared in the Kirindy field station, by J. Glos in January 1999. The examined specimen had the following measurements: BL 9.4 mm, BH 4.1 mm, BW 5.8 mm, TMH 3.0 mm, TMW 2.3 mm, MTH 2.6 mm, TMHM 1.8 mm, ED 1.3 mm, IOD 2.5 mm, IND 1.5 mm, ODW 2.4 mm, TAL 19.7 mm, TL 29.1 mm, TN 62, PN 35. The mouth opens anteroventrally. The papillae are conical, uniserial in the lower labium and in the lateral side of upper labium. The jaw sheath is thin, fully pigmented and finely serrated. TAL/TL is 68%. The labial tooth row formula is 5(2–5)/3. Variation is shown in tables 6 and 7.

different Gosner stages. For abbreviations see table 1 and chapter Materials and methods.