Thuridilla Gracilis is a species of sea slug . It is an Indo-Pacific species that lives in or near coral reefs and eats algae. It lives on the external slope of coral reefs, on top of the reef and in the lagoon, usually in shallow water.
Got this shot of soft corals growing on mangrove roots, at the blue mangrove, in a few meters of water are mixed forms of life that are rarely seen side by side: marine coral and tree roots. There are many mangroves around the globe though very few are located in areas with clear water.
The hair and granules of the common hairy crab help to break the shape of the animal and trap sediment, and hence allow it to camouflage with the surrounding.
Zanzibar Whip Coral Shrimps are incredibly small and hard to spot, making them a prized species for eagle-eyed photographers.
Yellow hard coral at the sea bed of Raja Ampat, Indonesia
The warty frogfish or clown frogfish is a marine fish belonging to the family Antennariidae.
Head, body and fins covered in prominent wart-like protuberances. Colour highly variable to match the surroundings - ranging from shades of cream, pink, red, to yellow, green, brown and black, often with darker pale-bordered spots, darker patches and saddles.
Warty Anglerfish live amongst macroalgae, sponges and soft corals.
Size to 8 cm. Smasher; female antennal scales pink to purplish, males red; body mottled greenish brown with reddish highlights; pink and red uropods (outside tail appendages). Indo-West pacific from Indonesia to N.E. Australia and New Caledonia.
A slow moving and somewhat sloth like creature, the Decorator Crab is one of those critters that makes this hobby enjoyable. By attaching sponges, algae and even soft corals to their carapace, they are able to "disappear" in plain sight. They are omnivores, and will scavenge and pick at live rock.
Found in dead coral heads and under rocks. Frequently associated with crinoids and occasionally with alcyonarians. Feeds on the mucus produced by feather stars and being a commensal, they also protect the feather star from its predators.
These squids are sometimes seen in numbers on our Southern shores. Among seagrasses, also near coral rubble and reefs.
The bigeye trevally, also known as the bigeye jack, great trevally, six-banded trevally and dusky jack, is a species of widespread large marine fish classified in the jack family Carangidae