Banded Trochus Snail — Trochus histrio Efficient film-algae grazer. Reef-safe. Quick facts Size: 3–5 cm shell Temperament: Peaceful Reef-safe: Yes Role: Film algae, diatoms, light cyano grazer Self-righting: Usually can flip itself over Aquarium requirements...

Snails are not only fun but also very useful in most marine aquariums, as they will usually be the first inhabitants as part of the cleanup crew. The Turbo Snail grows to about 5 cm...

The Gold Ring Cowrie is a very peaceful species of snail and they are very beneficial to marine aquariums as they feed on detritus and will reduce the levels of algae in the aquarium. They...

Nassarius snails (Nassarius sp.) are excellent scavengers and great sand sifters. They will eat various kind of organic material and help to aerate the sandy substrate in your tank. Therefore, if you are looking for...

Indian Babylon — Babylonia zeylanica Carnivorous sand-burrowing whelk. Not an algae eater. Quick facts Size: 5–7 cm shell length Temperament: Peaceful but predatory Reef-safe: With corals; may eat small snails, worms, clams Role: Meaty-waste scavenger,...

Tectus fenestratus – Algae-Grazing Top Snail Tectus fenestratus is a robust, cone-shaped top snail highly valued in marine aquaria for its effective algae-grazing behavior and durability. Native to Indo-Pacific reefs, this species spends its time...

This crab has electrifying blue legs with black banding, and its antennae stand out with its bright orange color. This tiny crab lives in abandoned snail or triton shells, or it may resort to attacking...

Sea urchins are often used to keep various algae at bay.  They are very effective algae eaters, and will eat anything from coralline algae to green hair algae.Sea urchins must not be kept in an...

Echinometra Mathaei (Sea Urchin) are interesting and very useful animals for the marine aquarium. It is an algae eater and is therefore often used for algae infestations. This sea urchin grows to about 15 cm,...

Blue Starfish (Linckia laevigata) is one of the most striking starfish species, known for its vivid blue color and smooth arms. Growing up to 30 cm, it is peaceful and completely reef-safe, making it a...

Summary: Small camouflaging crab that attaches macroalgae or sponges to its carapace. Reef safe with caution—may nip soft corals or zoanthids if underfed. Key Facts Scientific name: Huenia grandidierii Common names: Decorator Crab, Leaf/Spider Decorator...

  These urchins are very effective algae eaters, and will eat anything from coralline algae to green hair algae.Sea urchins must not be kept in an aquarium with few algae, as they may starve to death.  Sea...

The Cleaner Shrimp is one of the most iconic and useful invertebrates for marine aquariums. Recognizable by its red-and-white body and long white antennae, it provides natural cleaning services by removing parasites and dead tissue...