About 43,700 results
Open links in new tab
  1. Sponge - Wikipedia

    Sponge biodiversity and morphotypes at the lip of a wall site in 60 feet (20 m) of water. Included are the yellow tube sponge, Aplysina fistularis, the purple vase sponge, Niphates digitalis, the red encrusting …

  2. Sponge | Definition, Features, Reproduction, & Facts | Britannica

    Dec 7, 2025 · Sponge, any of the primitive multicellular aquatic animals that constitute the phylum Porifera. They number approximately 5,000 described species and inhabit all seas, where they occur …

  3. Introduction to Porifera

    The approximately 5,000 living sponge species are classified in the phylum Porifera, which is composed of three distinct groups, the Hexactinellida (glass sponges), the Demospongia, and the Calcarea …

  4. Porifera (sponges) | INFORMATION | Animal Diversity Web

    Sponges are a diverse group of sometimes common types, with about 5000 species known across the world. Sponges are primarily marine, but around 150 species live in fresh water.

  5. Phylum Porifera | manoa.hawaii.edu/ExploringOurFluidEarth

    Sponges are simple invertebrate animals that live in aquatic habitats. Although the majority of sponges are marine, some species live in freshwater lakes and streams. They are found in shallow ocean …

  6. Phylum Porifera- Characteristics, classification, examples

    Aug 3, 2023 · Porifera are all aquatic, mostly marine except one family Spongillidae which lives in freshwater. They are sessile and sedentary and grow like plants. The body shape is vase or cylinder …

  7. Sea Sponges or Porifera - Definition, Types, Reproduction ...

    Dec 30, 2024 · Sea sponges (Porifera) are ancient marine animals that shape ocean ecosystems through their unique filtering abilities. Learn about their types, reproduction methods, and more.

  8. Porifera - Animalia

    Sponges (also known as sea sponges), the members of the phylum Porifera (; meaning 'pore bearer'), are a basal animal clade as a sister of the diploblasts.

  9. Porifera: Structure, Function, and Role in Marine Ecosystems

    Porifera, commonly known as sponges, are intriguing marine organisms that play a role in aquatic ecosystems. These simple yet complex creatures have thrived for millions of years, contributing to …

  10. Phylum Porifera | OpenStax Biology 2e - Lumen Learning

    Sponges are members of the phylum Porifera, which contains the simplest invertebrates. (credit: Andrew Turner) There are at least 5,000 named species of sponges, likely with thousands more yet to be …