ISSN 0972-205X
- Seriers tile: Hamadryad
- Abbreviation: Hamadryad
- ISSN: 0972-205X (Print)
- Published by: Madras Snake Park Trust (1976-1984); Madras Crocodile Bank Trust (1985-1991); Centre for Herpetology, Madras Crocodile Bank Trust (1992-)
- Place of publication: Chennai, India
- Activity: 1976 – current
- Type of publication: periodical
- Frequency of publication: semiannual
- Language: English