Ballena azul vs

Balaenoptera musculus compared with Cobetia pacifica

Key Differences

Ballena azul is Vulnerable while is Not Evaluated.

Taxonomic Classification

Rank	Ballena azul
Kingdom	Animalia (Animals)	Bacteria (Bacteria)
Phylum	Chordata (cordados)	Proteobacteria (Proteobacteria)
Class	Mammalia (mamíferos)	Gammaproteobacteria (Gammaproteobacteria)
Order	Cetacea (Whales & Dolphins)	Pseudomonadales (Pseudomonadales)
Family	Balaenopteridae (Rorquals)	Halomonadaceae
Genus	Balaenoptera (Rorquals)	Cobetia
Species	Balaenoptera musculus	Cobetia pacifica

Conservation Status

Ballena azul

VU — Vulnerable

Population: ~15.0K

Trend: Increasing ↑

NE — Not Evaluated

Physical Characteristics

Attribute	Ballena azul
Diet	Carnivore	—
Average Lifespan	90 years	—
Average Length	30.0 m	—
Average Weight	150.0 t	—

Habitat & Geographic Range

Ballena azul

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan.

Ballena azul

El animal más grande que se conoce haya vivido en la Tierra; las ballenas azules pueden alcanzar 33 metros y 200 toneladas — sus corazones solos pesan tanto como un automóvil pequeño. Se encuentran en todos los océanos y migran entre las zonas de alimentación polares y las áreas de reproducción tropicales. Son filtradoras que consumen hasta 4 toneladas de kril al día. En peligro de extinción, con poblaciones globales estimadas entre 10.000 y 25.000 tras casi extinguirse por la caza de ballenas en el siglo XX.

Cobetia pacifica is a halophilic, gram-negative bacterium within the family Halomonadaceae, isolated from Pacific Ocean marine environments. The species epithet 'pacifica' reflects its origin in Pacific coastal and open-ocean habitats, with documented collection records from Taiwanese coastal waters and sediments. As a member of the genus Cobetia, this organism is characterized by its remarkable tolerance and requirement for elevated sodium chloride concentrations, growing optimally in marine-strength and higher salinities. Cobetia pacifica is an aerobic chemoorganotroph capable of metabolizing a diverse array of organic substrates, contributing to carbon cycling in marine ecosystems. The bacterium produces compatible solutes, primarily ectoine and betaine, that stabilize proteins and membranes under osmotic stress. Morphologically, C. pacifica appears as motile rods with polar flagellation, typical of the genus. The Cobetia lineage was separated from the paraphyletic Halomonas genus based on 16S rRNA gene phylogenies and genomic analyses that revealed coherent evolutionary groupings among Pacific-derived halophilic isolates. Members of this genus are of considerable scientific interest for understanding microbial adaptation to saline environments and have potential applications in bioremediation of saline-contaminated sites and industrial fermentation processes where salt-tolerant microorganisms confer operational advantages. The species is not evaluated under IUCN criteria, as conservation assessments are not routinely applied to prokaryotic microorganisms.