Bancroft's numbfish vs Kumoma-shibire-ei

Narcine bancroftii compared with Narcine brasiliensis

Key Differences

• Bancroft's numbfish is Least Concern while Kumoma-shibire-ei is Near Threatened.

Taxonomic Classification

Rank	Bancroft's numbfish	Kumoma-shibire-ei
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Elasmobranchii	Elasmobranchii
Order same	Torpediniformes (シビレエイ目)	Torpediniformes (シビレエイ目)
Family same	Narcinidae	Narcinidae
Genus same	Narcine	Narcine
Species	Narcine bancroftii	Narcine brasiliensis

Evolutionary Relationship

Bancroft's numbfish and Kumoma-shibire-ei share a common ancestor at the Genus level: Narcine.

Conservation Status

Bancroft's numbfish

LC — Least Concern

Kumoma-shibire-ei

NT — Near Threatened

Physical Characteristics

Attribute	Bancroft's numbfish	Kumoma-shibire-ei
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bancroft's numbfish

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Venezuela.

Kumoma-shibire-ei

Bancroft's numbfish

The Bancroft's numbfish (Narcine bancroftii) is a species in the genus Narcine. It is currently classified as Least Concern on the IUCN Red List. Native to South America, inhabiting ecosystems characteristic of the region.

Kumoma-shibire-ei

The Brazilian electric ray (Narcine brasiliensis) is a species in the genus Narcine. It is currently classified as Near Threatened on the IUCN Red List.