common hydra vs Komodo Dragon

Hydra vulgaris compared with Varanus komodoensis

Key Differences

common hydra is Not Evaluated while Komodo Dragon is Endangered.

Taxonomic Classification

Rank	common hydra	Komodo Dragon
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum	Cnidaria (ไนดาเรีย)	Chordata (สัตว์มีแกนสันหลัง)
Class	Hydrozoa (ไฮโดรซัว)	Reptilia (สัตว์เลื้อยคลาน)
Order	Anthoathecata (Anthoathecata)	Squamata (อันดับกิ้งก่าและงู)
Family	Hydridae	Varanidae (Monitor Lizards)
Genus	Hydra	Varanus (Monitor Lizards)
Species	Hydra vulgaris	Varanus komodoensis

Evolutionary Relationship

common hydra and Komodo Dragon share a common ancestor at the Kingdom level: Animalia. (สัตว์)

ดู: Kingdom: Animalia

Conservation Status

common hydra

NE — Not Evaluated

Komodo Dragon

EN — Endangered

Population: ~3.5K

Trend: Stable →

Physical Characteristics

Attribute	common hydra	Komodo Dragon
Diet	—	Carnivore
Average Lifespan	—	30 years
Average Length	—	2.6 m
Average Weight	—	70.0 kg

Habitat & Geographic Range

common hydra

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Komodo Dragon

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Indonesia. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

common hydra

<em>Hydra vulgaris</em>, commonly known as the common hydra, is a small freshwater cnidarian in the family Hydridae. Its conservation status has not been formally evaluated by the IUCN. The species is recorded from Denmark, Norway, and Sweden, with its native range understood to encompass Europe broadly. It typically inhabits slow-moving or still freshwater bodies such as ponds, lakes, and streams, where it attaches to aquatic vegetation or submerged substrates. The common hydra is notable for its remarkable regenerative capabilities and has been the subject of substantial biological research. Diet information for this species is not available in current records. Biological traits of this species remain poorly documented in the scientific literature.