Flat Wrack vs Leatherback Sea Turtle

Fucus spiralis compared with Dermochelys coriacea

Key Differences

Flat Wrack is Least Concern while Leatherback Sea Turtle is Vulnerable.

Taxonomic Classification

Rank	Flat Wrack	Leatherback Sea Turtle
Kingdom	Chromista (Chromista)	Animalia (Animals)
Phylum	Ochrophyta (Ochrophyta)	Chordata (Chordates)
Class	Phaeophyceae (Phaeophyceae)	Reptilia (Reptiles)
Order	Fucales (Fucales)	Testudines (Turtles & Tortoises)
Family	Fucaceae	Cheloniidae (Sea Turtles)
Genus	Fucus	Chelonia (Green Sea Turtles)
Species	Fucus spiralis	Dermochelys coriacea

Conservation Status

Flat Wrack

LC — Least Concern

Leatherback Sea Turtle

VU — Vulnerable

Population: ~35.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Flat Wrack	Leatherback Sea Turtle
Diet	—	Carnivore
Average Lifespan	—	50 years
Average Length	—	2.0 m
Average Weight	—	500.0 kg

Habitat & Geographic Range

Flat Wrack

Habitat

Found across multiple habitat types including temperate coniferous forests, montane grasslands and shrublands, and Mediterranean forests and woodlands within the Palearctic biogeographic realm.

Range

Found across Africa (Morocco) and Europe (9 countries).

Leatherback Sea Turtle

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 5 distinct biome types spanning the Australasia and Indomalayan and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Costa Rica, Indonesia, Malaysia, and Trinidad and Tobago. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.