Crozalsis Sternlebermoos vs Grosse Tümmler, Grosstümmler

Riccia crozalsii compared with Tursiops truncatus

Key Differences

Crozalsis Sternlebermoos is Vulnerable while Grosse Tümmler, Grosstümmler is Least Concern.

Taxonomic Classification

Rank	Crozalsis Sternlebermoos	Grosse Tümmler, Grosstümmler
Kingdom	Plantae (Pflanzen)	Animalia (Tier)
Phylum	Marchantiophyta (Lebermoose)	Chordata (Chordatiere)
Class	Marchantiopsida (Marchantiopsida)	Mammalia (Säugetiere)
Order	Marchantiales (Marchantiales)	Cetacea (Whales & Dolphins)
Family	Ricciaceae	Delphinidae (Oceanic Dolphins)
Genus	Riccia	Tursiops (Bottlenose Dolphins)
Species	Riccia crozalsii	Tursiops truncatus

Conservation Status

Crozalsis Sternlebermoos

VU — Vulnerable

Grosse Tümmler, Grosstümmler

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Physical Characteristics

Attribute	Crozalsis Sternlebermoos	Grosse Tümmler, Grosstümmler
Diet	—	Carnivore
Average Lifespan	—	45 years
Average Length	—	3.0 m
Average Weight	—	300.0 kg

Habitat & Geographic Range

Crozalsis Sternlebermoos

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

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

Grosse Tümmler, Grosstümmler

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).

Crozalsis Sternlebermoos

Ciliate crystalwort (Riccia crozalsii) is a thalloid liverwort in the family Ricciaceae, classified as Vulnerable in Europe. It grows as a flat, strap-like or rosette-forming thallus, typically in damp, disturbed or ephemeral habitats such as the margins of seasonal pools, rutted tracks, and temporarily flooded ground with sparse vegetation cover. The species is characterized by thallus margins fringed with fine cilia-like teeth, which give it its common name. Riccia crozalsii is found in Mediterranean and Atlantic regions of Europe, with records from Spain, Portugal, France, Italy, and parts of the British Isles, though populations are generally sparse and localized. It tends to appear in winter and spring when suitable wet conditions prevail, and the thallus desiccates or disappears during dry summer months. The species is assessed as Vulnerable due to the loss and degradation of its specialized ephemeral wetland habitats, driven by drainage, agricultural intensification, and altered hydrological regimes across Europe. As with many liverworts dependent on wet, open habitats, Riccia crozalsii has experienced declines in regions where traditional low-intensity land management practices have been abandoned. Monitoring and protection of ephemeral pool and wetland margins are key conservation actions for this species.

Grosse Tümmler, Grosstümmler

The most studied and recognized dolphin species, bottlenose dolphins inhabit warm and temperate oceans worldwide, from coastal shallows to the open sea. Highly intelligent with large brains relative to body size, they demonstrate self-recognition, complex communication, and social learning. They live in fluid fission-fusion societies and cooperate to herd fish. A keystone indicator species for marine ecosystem health.