Bentfin devil ray vs Common Dart

Mobula thurstoni compared with Andronymus caesar

Key Differences

• Bentfin devil ray is Endangered while Common Dart is Least Concern.

Taxonomic Classification

Rank	Bentfin devil ray	Common Dart
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Elasmobranchii	Insecta (Insects)
Order	Myliobatiformes (Myliobatiformes)	Lepidoptera (Butterflies & Moths)
Family	Myliobatidae	Hesperiidae
Genus	Mobula	Andronymus
Species	Mobula thurstoni	Andronymus caesar

Evolutionary Relationship

Bentfin devil ray and Common Dart share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Bentfin devil ray

EN — Endangered

Common Dart

LC — Least Concern

Physical Characteristics

Attribute	Bentfin devil ray	Common Dart
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bentfin devil ray

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

Range

Distributed across Chile and Taiwan. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Common Dart

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Bentfin devil ray

The Bentfin devil ray (Mobula thurstoni) is a species in the genus Mobula. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

Common Dart

<em>Andronymus caesar</em>, known as the common dart, is a butterfly belonging to the family Hesperiidae. This species occupies terrestrial and freshwater habitats, though its specific geographic range is not well characterized in current biodiversity databases. Like other members of the genus Andronymus, <em>Andronymus caesar</em> is likely associated with open woodland, savanna, and grassland ecosystems typical of sub-Saharan Africa, where many related hesperiid species are found. Adults typically exhibit rapid, darting flight patterns and are often observed perching on low vegetation or feeding on flower nectar. Larvae of closely related species are generally known to feed on grasses and related monocots, though host plant preferences specific to <em>Andronymus caesar</em> have not been thoroughly detailed in the available scientific literature. The species is assessed as Least Concern, indicating that no significant population declines or major threats have been identified. Biological traits of this species remain poorly documented, and detailed ecological and life history research would contribute substantially to understanding this taxon.