There are 40 extant species named as dolphins. Dolphins range in size from the 1.7-metre-long (5 ft 7 in) and 50-kilogram (110-pound) Maui's dolphin to the 9.5 m (31 ft) and 10-tonne (11-short-ton) orca. …

Dolphins can be found all over the world and in different environments. There are 36 species of marine dolphins - living in nearly all aquatic environments, including oceans, coastal, estuarine and …

Apr 11, 2017 · Curious, playful, and undeniably cute, dolphins have somersaulted their way into our hearts. Swim with our interesting dolphin facts to learn much more.

Top ten facts about dolphins There are currently 42 species of dolphins and seven species of porpoises. Dolphins are marine mammals. They must surface to breathe air and give birth to live young. A …

Dec 25, 2025 · Dolphins are swift swimmers; the bottlenose dolphin can attain speeds of nearly 30 km/hr (18.5 mph) in short bursts, and common dolphins are even faster. What are dolphins known for? …

Discover 145 fun facts about dolphins that will leave you amazed! Dive into their intelligence, playful behaviors, and unique characteristics.

This page includes information on evolutionary theories, taxonomy, differences between dolphins and porpoises, and descriptions of dolphin organs and biological systems.

Most dolphins are marine and live in the ocean or brackish waters along coastlines. There are a few species, however, like the South Asian river dolphin and the Amazon river dolphin, or boto,...

Mar 9, 2024 · Some have as few as four teeth, others have up to 240. Some dolphins are intensely social, whilst others stray from the group. But their cheeky nature, adaptation skills, grace and …

Discover strange and amazing dolphin facts, species info, behavior, intelligence, and ocean secrets that make dolphins truly unique among marine mammals.