Colombian Dwarf Numbfish vs common bottlenose dolphin

Diplobatis colombiensis compared with Tursiops truncatus

Key Differences

• Colombian Dwarf Numbfish is Vulnerable while common bottlenose dolphin is Least Concern.

Taxonomic Classification

Rank	Colombian Dwarf Numbfish	common bottlenose dolphin
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class	Elasmobranchii	Mammalia (포유류)
Order	Torpediniformes (전기가오리목)	Cetacea (Whales & Dolphins)
Family	Narcinidae	Delphinidae (Oceanic Dolphins)
Genus	Diplobatis	Tursiops (Bottlenose Dolphins)
Species	Diplobatis colombiensis	Tursiops truncatus

Evolutionary Relationship

Colombian Dwarf Numbfish and common bottlenose dolphin share a common ancestor at the Phylum level: Chordata. (척삭동물)

Conservation Status

Colombian Dwarf Numbfish

VU — Vulnerable

common bottlenose dolphin

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Physical Characteristics

Attribute	Colombian Dwarf Numbfish	common bottlenose dolphin
Diet	—	Carnivore
Average Lifespan	—	45 years
Average Length	—	3.0 m
Average Weight	—	300.0 kg

Habitat & Geographic Range

Colombian Dwarf Numbfish

common bottlenose dolphin

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 12 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and South America (Colombia, Ecuador, Venezuela).

Colombian Dwarf Numbfish

<em>Diplobatis colombiensis</em>, commonly known as the Colombian Dwarf Numbfish, is a cartilaginous fish species belonging to the genus <em>Diplobatis</em> within the family Narcinidae, a group of electric rays capable of generating electric discharges used for defense and prey stunning. This species is classified as Vulnerable, indicating a significant concern for its long-term population viability under current conditions. Specific habitat descriptions are not detailed in current records; however, narcinid electric rays are typically associated with soft-bottom marine habitats such as sandy or muddy seafloors in coastal and shelf waters of the western Atlantic and eastern Pacific. Specific country-level distributional records are not detailed in current documentation. The electric discharge mechanism of rays in this family is well-documented as a strategy for subduing prey and deterring predators. Dietary information specific to this species has not been recorded. Biological traits of this species remain poorly documented in the scientific literature. Threats to Vulnerable marine species such as <em>Diplobatis colombiensis</em> typically include bycatch in coastal fisheries and habitat degradation.

common bottlenose dolphin

가장 많이 연구되고 잘 알려진 돌고래 종인 큰돌고래는 연안 얕은 곳부터 먼 바다까지 전 세계 온난하고 온대 해양에 서식합니다. 체구 대비 큰 뇌를 가진 고도로 지능적인 이 종은 자기 인식, 복잡한 의사소통 및 사회적 학습을 보여줍니다. 유동적인 분열-융합 사회에서 살며 물고기를 몰기 위해 협력합니다. 해양 생태계 건강의 핵심 지표 종입니다.