Buckelwal vs

Megaptera novaeangliae compared with Clostridium sporogenes

Key Differences

Buckelwal is Vulnerable while is Not Evaluated.

Taxonomic Classification

Rank	Buckelwal
Kingdom	Animalia (動物)	Bacteria (Bacteria)
Phylum	Chordata (脊索動物)	Firmicutes_A
Class	Mammalia (哺乳類)	Clostridia (クロストリジア)
Order	Cetacea (Whales & Dolphins)	Clostridiales (クロストリジウム目)
Family	Balaenopteridae (Rorquals)	Clostridiaceae
Genus	Megaptera (Humpback Whales)	Clostridium
Species	Megaptera novaeangliae	Clostridium sporogenes

Conservation Status

Buckelwal

VU — Vulnerable

Population: ~80.0K

Trend: Increasing ↑

NE — Not Evaluated

Physical Characteristics

Attribute	Buckelwal
Diet	Carnivore	—
Average Lifespan	50 years	—
Average Length	15.0 m	—
Average Weight	30.0 t	—

Habitat & Geographic Range

Buckelwal

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 (5 countries), and South America (Colombia, Ecuador, Venezuela). 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.

Buckelwal

大型クジラの中で最も曲芸的なクジラのひとつであるザトウクジラは、繁殖期にオスが歌う複雑で神秘的な歌で知られており、数時間にわたって続き時間をかけて変化していきます。体長16m、体重30トンに達し、哺乳類の中で最長の回遊を行います。全海洋に分布し、協調的なバブルネット採餌でオキアミや小魚を捕食します。歴史的な捕鯨後の個体数はおおむね回復しています。

Clostridium sporogenes is an anaerobic, endospore-forming bacterium in the family Clostridiaceae phylogenetically and morphologically closely related to C. botulinum type A but lacking the genes encoding botulinum neurotoxin. It is widely distributed in soil, sediments, and the gastrointestinal tracts of animals and humans, where it is considered a non-pathogenic member of the microbiome. The species epithet sporogenes refers to its characteristic production of abundant, conspicuous endospores. C. sporogenes is highly proteolytic, producing multiple proteases that break down proteins into amino acids and peptides, contributing to the decomposition of organic nitrogen in anaerobic environments. In food science, it serves as a surrogate organism in studies validating thermal processing conditions for low-acid canned foods — its heat-resistant spores are used as surrogates for C. botulinum in process safety testing without the biosafety concerns of using the toxigenic parent species. Research has also explored C. sporogenes as a vector for delivering anticancer prodrug-activating enzymes into hypoxic tumor microenvironments, exploiting its preferential germination in anaerobic tissue regions.