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  1. Barnacle - Wikipedia

    Barnacles are arthropods of the subclass Cirripedia in the subphylum Crustacea. They are related to crabs and lobsters, with similar nauplius larvae. Barnacles are exclusively marine …

  2. What are barnacles? - NOAA's National Ocean Service

    Barnacles (balanus glandula) are sticky little crustaceans related to crabs, lobsters, and shrimps.

  3. Barnacles - Types, Anatomy, Reproduction, Diet, Lifecycle,

    Sep 4, 2025 · Barnacles are sessile marine crustaceans closely linked to crabs, lobsters, and shrimp. They are part of the subclass Cirripedia, which falls under the larger subphylum …

  4. A Barnacle Attaches for Life (Yes, They're Living Crustaceans)

    May 9, 2025 · These tiny creatures are crustaceans, closely related to crabs and lobsters, and they’ve evolved some wild adaptations for life in the intertidal zone. Barnacles attach to a …

  5. Barnacle | Anatomy, Habitat & Reproduction | Britannica

    Nov 6, 2025 · Barnacle, any of more than 1,000 predominantly marine crustaceans of the subclass Cirripedia highly modified for sedentary life. There are about 850 free-living species …

  6. What’s the Deal with Barnacles? - Ocean Conservancy

    Dec 28, 2023 · Barnacles are living organisms (yes, they’re alive!) They are crustaceans, related to crabs, shrimp and lobsters. Scientists have discovered more than 1,400 species of …

  7. What Are Barnacles? - American Oceans

    Barnacles are a fascinating group of crustaceans distinctly adapted to life in marine environments. Unlike their mobile relatives like crabs and lobsters, barnacles are sessile, meaning they …

  8. Barnacles (Cirripedia): Facts, Habitat, Diet - Ocean Info

    Barnacles are crustaceans that attach themselves to hard surfaces and play a vital role in ocean ecosystems as filter feeders.

  9. What Are Barnacles? A Look at These Marine Crustaceans

    Aug 16, 2025 · Barnacles are marine invertebrates belonging to the subclass Cirripedia, part of the subphylum Crustacea, making them relatives of crabs, lobsters, and shrimp. Despite their …

  10. Barnacle Animal Facts - A-Z Animals

    May 27, 2024 · Barnacles are members of the marine invertebrate class Maxillopoda. There are more than 14,000 species of barnacles, with the most common being the acorn barnacle. …