There are about 1500 species of starfish, which occurs in all the seas and oceans of the world. Their star-shaped body (typically with 5 arms, but sometimes more) and their bright colors make them one of the snorkelers’ favorite sightings.

About 1,900 species of starfish live on the seabed in all the world's oceans, from warm, tropical zones to frigid, polar regions. They are found from the intertidal zone down to abyssal depths, at 6,000 m (20,000 ft) below the surface. Starfish are marine invertebrates.

2023年9月23日 · Starfish, part of the Phylum Echinodermata and Class Asteroidea, are broadly divided into two subclasses: Asterozoa and Ophiuroidea. They are diverse creatures, with about 1,500 to 2,000 species spread across nearly 36 families. These species vary in size, color, and number of arms.

2022年9月20日 · Discover 20 starfish species that highlight the diversity of the Asteroidea order, from the chunky granulated sea star to the venomous crown-of-thorns.

4 天之前 · The Asteroidea (also known as sea stars or starfish) are among the most diverse and familiar of the living Echinodermata, including over 1800 species from every ocean basin in the world, including the Atlantic, Indian, and Pacific as well as the Arctic and the Southern Ocean, inhabiting intertidal to 6000 m abyssal settings.

2024年5月18日 · In this article, we’ve gathered 50 different types of starfish from around the globe, not only for your reading pleasure, but so you could also learn how to interact with them better! 01 Over 1,900 species of starfish live around the world today. 02 Starfish can live in waters as deep as 6 km below the surface.

Here we identify common sea star species which include families such as Asteriidae, Ophidiasteridae and Echinasteridae. There are over 30 recognized families of starfish (sea stars) within the class Asteroidea. These families encompass a wide range of species, each with its own unique characteristics and traits.

2022年7月25日 · Starfish are a diverse group of sea creatures that belong to the echinoderm phylum. These animals live in both shallow and deep seas, but they can be found on every continent except Antarctica. There are many types of starfish. Some have more than five arms – the Brisingida family can have up to 16 arms.

This website includes descriptions of over 30 species of sea stars encountered from the intertidal zone to a depth of 30 m (100 ft) on the Pacific coast of North America from northern California, Oregon, Washington State, British Columbia and southeast Alaska.

True starfish/sea stars comprise the Class Asteroidea, and there are about 1600 species encompassing various 'orders and families.' To list the species described here it's necessary to list them in the order 'and' family they occur in to prevent their genera from simply becoming alphabetically listed.