Anchovy-Eater vs Thread Weed

Carcharodon carcharias compared with Ulva compressa

Key Differences

Anchovy-Eater is Vulnerable while Thread Weed is Least Concern.

Taxonomic Classification

Rank	Anchovy-Eater	Thread Weed
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Chlorophyta (Chlorophyta)
Class	Chondrichthyes (Cartilaginous Fish)	Ulvophyceae (Ulvophyceae)
Order	Lamniformes (Mackerel Sharks)	Ulvales (Ulvales)
Family	Lamnidae (Mackerel Sharks)	Ulvaceae
Genus	Carcharodon (Great White Sharks)	Ulva
Species	Carcharodon carcharias	Ulva compressa

Conservation Status

Anchovy-Eater

VU — Vulnerable

Population: ~3.5K

Trend: Decreasing ↓

Thread Weed

LC — Least Concern

Physical Characteristics

Attribute	Anchovy-Eater	Thread Weed
Diet	Carnivore	—
Average Lifespan	70 years	—
Average Length	5.0 m	—
Average Weight	1.1 t	—

Habitat & Geographic Range

Anchovy-Eater

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate broadleaf and mixed forests, and temperate grasslands and steppes, among 9 distinct biome types spanning the Indomalayan and Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

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

Thread Weed

Habitat

Native to Asia and Europe and Oceania, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), Oceania and the Pacific (New Zealand), and South America (Brazil).

Anchovy-Eater

The largest predatory fish on Earth, great white sharks can reach 6 meters and 2,000 kg, inhabiting cool coastal and offshore waters in all major oceans. Apex predators employing ambush attacks from below, primarily on marine mammals, large fish, and seabirds. Despite their fearsome reputation, unprovoked attacks on humans are extremely rare. Vulnerable, with populations declining from finning, bycatch, and targeted fishing despite legal protections in many jurisdictions.