Our animals

Select zone

Northern lakes and seas

The ocean

Tropical rivers and lakes

Select aquaria

Dwarf mormyrid

Electric eel

Cave tetra

The flooded rainforest

Arowana

The interesting species of the river

Arapaima

Piranha

Stream aquarium

Under the riverbank

South America's rainforest

The plants in the river

Select species

Select a species to read more


Elegant paradise fish

Elegant paradise fish

Long-snouted pipefish

Long-snouted pipefish

Short-tail freshwater pipefish

Short-tail freshwater pipefish

Opossum pipefish

Opossum pipefish

Spotted algae eater

Spotted algae eater

Altum angelfish

Altum angelfish

Cherry barb

Cherry barb

Threadfin rainbowfish

Threadfin rainbowfish

Mimic oto

Mimic oto

Long-tailed sturisoma

Long-tailed sturisoma

Tiger limia

Tiger limia

Spotted hoplo catfish

Spotted hoplo catfish

Metallic livebearer

Metallic livebearer

Limpet

Limpet

Facts

LatinSeptaria porcellana
Size5 cm
FoodAlgae growing on rocks
HabitatRivers and lakes
IUCN

Not evaluated

LocationSoutheast Asia eg. Thailand
Map

The world's strongest natural material

Engineers in the UK have found that limpets' teeth consist of the strongest biological material ever tested. Limpets use a tongue bristling with tiny teeth to scrape food off rocks and into their mouths, often swallowing particles of rock in the process. The teeth are made of a mineral-protein composite, which the researchers tested in tiny fragments in the laboratory. They found it was stronger than spider silk. Which was formerly known as the strongest natural material.


River deep

Armored predators

Conservation of species

California kingsnake

River pool

Archerfish

Endangered species

Lake Tanganyika

Lake Malawi