closeup on a colorful aquatic adult endangered laos warty newt, paramesotriton laoensis underwater

amphibia amphibian black chordata caudata nature paramesotriton laoensis salamandridae skin urodela warty animal aquatic biodiversity biology closeup colors creature detail endangered wildlife endemic fauna green herpetology laos newt laotriton macro pettrade poisonous predator predatory salamander tailed terrarium toxic vertebrate warts wild yellow zoology detailed colorful adults biting aggression territorial