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Image of the tube sponges in Little Cayman - Cayman Islands
A mermaid's purse or shark egg attached to a sea fan with the embryo visible inside
Shrimp inside sponge scuba diving in Jamaica
Sea life Yellow Tube sponge and Salp  Glass sponge, and Orange Sea sponge from scuba diver point of view
Coral reef with great yellow sea sponge at the bottom of tropical sea on a background of blue water, underwater
The scyphostoma larva (the fixed polyp-like stage in the life cycle of a jellyfish, which reproduces asexually) of Nausithoe punctata bears a striking superficial resemblance to a hydroid and it lives commensal within sponges. This hydroid-like larva forms a branching tree-like growth within the body of the sponge, the polyp mouths and their tentacles projecting out of the oscula (mouthlike aperture) of the sponge. The mouth of the polypite is surrounded by an annulus of about 40 solid filiform tentacles. The ephyra (immature medusa stage) of Nausithoe arise by strobilization (asexual reproduction by division into segments) from this larva. The young ephyra has only 4 gastric filaments and no tentacles. The species occurs in the North Atlantic Ocean in the Mediterranean Sea and circumglobal in warm waters. Max. diameter of adult Nausithoe punctata is 1.5cm. Many Brittle stars Ophiothrix sp. and a Red throated Ascidian Herdmania momus just below. Palau, Iro Wreck 7°17'39.7 N 134°25'15.18 E at 10m depth
Peppermint shrimp, underwater image into the Mediterranean sea
Closeup of a Tube Sponge off the coast of Roatan, Honduras
Stenorhynchus seticornis, the yellowline arrow crab or simply arrow crab, is a species of marine crab
Spiral pattern
Sea shrimp in the aquarium. Inhabitants of the underwater world
Underwater photography beauty deep sea, red ascidiacea tunicate Halocynthia papillosa, yellow coral  orange sponge fish reef Sea life.   Scuba diver point of view
These spiderlike arrow crabs can be observed best during the night while they hunt. I discovered these two crabs during a night dive at the reef in front of our holiday villa south of Kralendijk.
Giant Sponges can grow to impressing size. These specimen of filter animals live under a rock overhang at the north side of Rozengain Island, Banda Sea, Indonesia, 4°34'41.37 S 130°1'40.194 E at 20m depth
Bonaire scuba diving underwater photography
Knobby Anemone with translucent bubble like tentacles on a sponge off the coast of Roatan
Yellow/Golden tube Mediterranean sponge – Aplysina aerophoba
Shell series: sea shells in various colors
Bumblebee Shrimp - Gnathophyllum americanum on a sea cucumber. Underwater macro world of Tulamben, Bali, Indonesia.
Sea life Underwater sea star - starfish Scuba diver point of view
Ancylomenes pedersoni, sometimes known as Pederson's shrimp, is a species of cleaner shrimp
The giant barrel sponge (Xestospongia muta) and a female diver in Little Cayman - Cayman Islands
A Banded Boxer Shrimp (Stenopus hispidus) in Florida, USA
In large aggregations, Yellow Sea Cucumbers Colochirus robustus are often misidentified as corals. Colochirus robustus occurs in the tropical Central Indo-Pacific in a depth range from 1-25m, max. length 7cm. When feeding, the species extends the branchy feeding arms into the current. There are multiple reproduction options; instead of spawning, when getting large, the species can split into two: In a few days, the head end is ready to leave, whilst the rear end takes about a week to grow an own head! \nThese specimen aggregate on an old whip coral overgrown by sponges, hydroids and ascidians. \nTriton Bay, Indonesia \n3°55'0.858 S 134°6'6.102 E at 12m depth
multiple ancylomenes pedersoni waiting at their cleaning station
Giant barrel sponge (Xestospongia muta) with small leaf hanging vine (Halimeda goreaui), spiny sea fan, and mesh sea fan in background.
front view closeup of dark coral reef formation on the ocean floor
Sea life  Yellow soft coral symbiotic relationship with sponge Aquatic organism Close up, macro photo. Scuba diver point of view
Spotted Bumblebee Shrimp – Gnathophyllum elegans
The staghorn hermit crab (Manucomplanus varians). Instead of an abandoned shell, this crab makes its home in a staghorn hydrocoral (Janaria mirabilis) whose stinging cells offer the crab protection. Sea of Cortez, Baja California, Mexico.
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